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-rw-r--r--drivers/iio/light/Kconfig37
-rw-r--r--drivers/iio/light/Makefile3
-rw-r--r--drivers/iio/light/adjd_s311.c10
-rw-r--r--drivers/iio/light/apds9300.c8
-rw-r--r--drivers/iio/light/cm32181.c380
-rw-r--r--drivers/iio/light/cm36651.c102
-rw-r--r--drivers/iio/light/gp2ap020a00f.c16
-rw-r--r--drivers/iio/light/hid-sensor-als.c66
-rw-r--r--drivers/iio/light/hid-sensor-prox.c385
-rw-r--r--drivers/iio/light/ltr501.c445
-rw-r--r--drivers/iio/light/tcs3472.c20
-rw-r--r--drivers/iio/light/tsl2563.c28
-rw-r--r--drivers/iio/light/vcnl4000.c11
13 files changed, 1424 insertions, 87 deletions
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index a022f27c669..c89740d4748 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -27,6 +27,17 @@ config APDS9300
To compile this driver as a module, choose M here: the
module will be called apds9300.
+config CM32181
+ depends on I2C
+ tristate "CM32181 driver"
+ help
+ Say Y here if you use cm32181.
+ This option enables ambient light sensor using
+ Capella cm32181 device driver.
+
+ To compile this driver as a module, choose M here:
+ the module will be called cm32181.
+
config CM36651
depends on I2C
tristate "CM36651 driver"
@@ -62,6 +73,20 @@ config HID_SENSOR_ALS
Say yes here to build support for the HID SENSOR
Ambient light sensor.
+config HID_SENSOR_PROX
+ depends on HID_SENSOR_HUB
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
+ select HID_SENSOR_IIO_COMMON
+ select HID_SENSOR_IIO_TRIGGER
+ tristate "HID PROX"
+ help
+ Say yes here to build support for the HID SENSOR
+ Proximity sensor.
+
+ To compile this driver as a module, choose M here: the
+ module will be called hid-sensor-prox.
+
config SENSORS_LM3533
tristate "LM3533 ambient light sensor"
depends on MFD_LM3533
@@ -79,6 +104,18 @@ config SENSORS_LM3533
changes. The ALS-control output values can be set per zone for the
three current output channels.
+config LTR501
+ tristate "LTR-501ALS-01 light sensor"
+ depends on I2C
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
+ help
+ If you say yes here you get support for the Lite-On LTR-501ALS-01
+ ambient light and proximity sensor.
+
+ This driver can also be built as a module. If so, the module
+ will be called ltr501.
+
config TCS3472
tristate "TAOS TCS3472 color light-to-digital converter"
depends on I2C
diff --git a/drivers/iio/light/Makefile b/drivers/iio/light/Makefile
index daa327f39e0..3eb36e5151f 100644
--- a/drivers/iio/light/Makefile
+++ b/drivers/iio/light/Makefile
@@ -5,10 +5,13 @@
# When adding new entries keep the list in alphabetical order
obj-$(CONFIG_ADJD_S311) += adjd_s311.o
obj-$(CONFIG_APDS9300) += apds9300.o
+obj-$(CONFIG_CM32181) += cm32181.o
obj-$(CONFIG_CM36651) += cm36651.o
obj-$(CONFIG_GP2AP020A00F) += gp2ap020a00f.o
obj-$(CONFIG_HID_SENSOR_ALS) += hid-sensor-als.o
+obj-$(CONFIG_HID_SENSOR_PROX) += hid-sensor-prox.o
obj-$(CONFIG_SENSORS_LM3533) += lm3533-als.o
+obj-$(CONFIG_LTR501) += ltr501.o
obj-$(CONFIG_SENSORS_TSL2563) += tsl2563.o
obj-$(CONFIG_TCS3472) += tcs3472.o
obj-$(CONFIG_TSL4531) += tsl4531.o
diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c
index 83d15c5baf6..09ad5f1ce53 100644
--- a/drivers/iio/light/adjd_s311.c
+++ b/drivers/iio/light/adjd_s311.c
@@ -14,7 +14,6 @@
*/
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/slab.h>
@@ -120,7 +119,6 @@ static irqreturn_t adjd_s311_trigger_handler(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct adjd_s311_data *data = iio_priv(indio_dev);
s64 time_ns = iio_get_time_ns();
- int len = 0;
int i, j = 0;
int ret = adjd_s311_req_data(indio_dev);
@@ -135,7 +133,6 @@ static irqreturn_t adjd_s311_trigger_handler(int irq, void *p)
goto done;
data->buffer[j++] = ret & ADJD_S311_DATA_MASK;
- len += 2;
}
iio_push_to_buffers_with_timestamp(indio_dev, data->buffer, time_ns);
@@ -155,7 +152,12 @@ done:
BIT(IIO_CHAN_INFO_INT_TIME), \
.channel2 = (IIO_MOD_LIGHT_##_color), \
.scan_index = (_scan_idx), \
- .scan_type = IIO_ST('u', 10, 16, 0), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 10, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ }, \
}
static const struct iio_chan_spec adjd_s311_channels[] = {
diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c
index 51097bbd59c..9ddde0ca9c3 100644
--- a/drivers/iio/light/apds9300.c
+++ b/drivers/iio/light/apds9300.c
@@ -344,10 +344,10 @@ static const struct iio_info apds9300_info_no_irq = {
static const struct iio_info apds9300_info = {
.driver_module = THIS_MODULE,
.read_raw = apds9300_read_raw,
- .read_event_value_new = apds9300_read_thresh,
- .write_event_value_new = apds9300_write_thresh,
- .read_event_config_new = apds9300_read_interrupt_config,
- .write_event_config_new = apds9300_write_interrupt_config,
+ .read_event_value = apds9300_read_thresh,
+ .write_event_value = apds9300_write_thresh,
+ .read_event_config = apds9300_read_interrupt_config,
+ .write_event_config = apds9300_write_interrupt_config,
};
static const struct iio_event_spec apds9300_event_spec[] = {
diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c
new file mode 100644
index 00000000000..d976e6ce60d
--- /dev/null
+++ b/drivers/iio/light/cm32181.c
@@ -0,0 +1,380 @@
+/*
+ * Copyright (C) 2013 Capella Microsystems Inc.
+ * Author: Kevin Tsai <ktsai@capellamicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2, as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/regulator/consumer.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/events.h>
+#include <linux/init.h>
+
+/* Registers Address */
+#define CM32181_REG_ADDR_CMD 0x00
+#define CM32181_REG_ADDR_ALS 0x04
+#define CM32181_REG_ADDR_STATUS 0x06
+#define CM32181_REG_ADDR_ID 0x07
+
+/* Number of Configurable Registers */
+#define CM32181_CONF_REG_NUM 0x01
+
+/* CMD register */
+#define CM32181_CMD_ALS_ENABLE 0x00
+#define CM32181_CMD_ALS_DISABLE 0x01
+#define CM32181_CMD_ALS_INT_EN 0x02
+
+#define CM32181_CMD_ALS_IT_SHIFT 6
+#define CM32181_CMD_ALS_IT_MASK (0x0F << CM32181_CMD_ALS_IT_SHIFT)
+#define CM32181_CMD_ALS_IT_DEFAULT (0x00 << CM32181_CMD_ALS_IT_SHIFT)
+
+#define CM32181_CMD_ALS_SM_SHIFT 11
+#define CM32181_CMD_ALS_SM_MASK (0x03 << CM32181_CMD_ALS_SM_SHIFT)
+#define CM32181_CMD_ALS_SM_DEFAULT (0x01 << CM32181_CMD_ALS_SM_SHIFT)
+
+#define CM32181_MLUX_PER_BIT 5 /* ALS_SM=01 IT=800ms */
+#define CM32181_MLUX_PER_BIT_BASE_IT 800000 /* Based on IT=800ms */
+#define CM32181_CALIBSCALE_DEFAULT 1000
+#define CM32181_CALIBSCALE_RESOLUTION 1000
+#define MLUX_PER_LUX 1000
+
+static const u8 cm32181_reg[CM32181_CONF_REG_NUM] = {
+ CM32181_REG_ADDR_CMD,
+};
+
+static const int als_it_bits[] = {12, 8, 0, 1, 2, 3};
+static const int als_it_value[] = {25000, 50000, 100000, 200000, 400000,
+ 800000};
+
+struct cm32181_chip {
+ struct i2c_client *client;
+ struct mutex lock;
+ u16 conf_regs[CM32181_CONF_REG_NUM];
+ int calibscale;
+};
+
+/**
+ * cm32181_reg_init() - Initialize CM32181 registers
+ * @cm32181: pointer of struct cm32181.
+ *
+ * Initialize CM32181 ambient light sensor register to default values.
+ *
+ * Return: 0 for success; otherwise for error code.
+ */
+static int cm32181_reg_init(struct cm32181_chip *cm32181)
+{
+ struct i2c_client *client = cm32181->client;
+ int i;
+ s32 ret;
+
+ ret = i2c_smbus_read_word_data(client, CM32181_REG_ADDR_ID);
+ if (ret < 0)
+ return ret;
+
+ /* check device ID */
+ if ((ret & 0xFF) != 0x81)
+ return -ENODEV;
+
+ /* Default Values */
+ cm32181->conf_regs[CM32181_REG_ADDR_CMD] = CM32181_CMD_ALS_ENABLE |
+ CM32181_CMD_ALS_IT_DEFAULT | CM32181_CMD_ALS_SM_DEFAULT;
+ cm32181->calibscale = CM32181_CALIBSCALE_DEFAULT;
+
+ /* Initialize registers*/
+ for (i = 0; i < CM32181_CONF_REG_NUM; i++) {
+ ret = i2c_smbus_write_word_data(client, cm32181_reg[i],
+ cm32181->conf_regs[i]);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * cm32181_read_als_it() - Get sensor integration time (ms)
+ * @cm32181: pointer of struct cm32181
+ * @val2: pointer of int to load the als_it value.
+ *
+ * Report the current integartion time by millisecond.
+ *
+ * Return: IIO_VAL_INT_PLUS_MICRO for success, otherwise -EINVAL.
+ */
+static int cm32181_read_als_it(struct cm32181_chip *cm32181, int *val2)
+{
+ u16 als_it;
+ int i;
+
+ als_it = cm32181->conf_regs[CM32181_REG_ADDR_CMD];
+ als_it &= CM32181_CMD_ALS_IT_MASK;
+ als_it >>= CM32181_CMD_ALS_IT_SHIFT;
+ for (i = 0; i < ARRAY_SIZE(als_it_bits); i++) {
+ if (als_it == als_it_bits[i]) {
+ *val2 = als_it_value[i];
+ return IIO_VAL_INT_PLUS_MICRO;
+ }
+ }
+
+ return -EINVAL;
+}
+
+/**
+ * cm32181_write_als_it() - Write sensor integration time
+ * @cm32181: pointer of struct cm32181.
+ * @val: integration time by millisecond.
+ *
+ * Convert integration time (ms) to sensor value.
+ *
+ * Return: i2c_smbus_write_word_data command return value.
+ */
+static int cm32181_write_als_it(struct cm32181_chip *cm32181, int val)
+{
+ struct i2c_client *client = cm32181->client;
+ u16 als_it;
+ int ret, i, n;
+
+ n = ARRAY_SIZE(als_it_value);
+ for (i = 0; i < n; i++)
+ if (val <= als_it_value[i])
+ break;
+ if (i >= n)
+ i = n - 1;
+
+ als_it = als_it_bits[i];
+ als_it <<= CM32181_CMD_ALS_IT_SHIFT;
+
+ mutex_lock(&cm32181->lock);
+ cm32181->conf_regs[CM32181_REG_ADDR_CMD] &=
+ ~CM32181_CMD_ALS_IT_MASK;
+ cm32181->conf_regs[CM32181_REG_ADDR_CMD] |=
+ als_it;
+ ret = i2c_smbus_write_word_data(client, CM32181_REG_ADDR_CMD,
+ cm32181->conf_regs[CM32181_REG_ADDR_CMD]);
+ mutex_unlock(&cm32181->lock);
+
+ return ret;
+}
+
+/**
+ * cm32181_get_lux() - report current lux value
+ * @cm32181: pointer of struct cm32181.
+ *
+ * Convert sensor raw data to lux. It depends on integration
+ * time and claibscale variable.
+ *
+ * Return: Positive value is lux, otherwise is error code.
+ */
+static int cm32181_get_lux(struct cm32181_chip *cm32181)
+{
+ struct i2c_client *client = cm32181->client;
+ int ret;
+ int als_it;
+ unsigned long lux;
+
+ ret = cm32181_read_als_it(cm32181, &als_it);
+ if (ret < 0)
+ return -EINVAL;
+
+ lux = CM32181_MLUX_PER_BIT;
+ lux *= CM32181_MLUX_PER_BIT_BASE_IT;
+ lux /= als_it;
+
+ ret = i2c_smbus_read_word_data(client, CM32181_REG_ADDR_ALS);
+ if (ret < 0)
+ return ret;
+
+ lux *= ret;
+ lux *= cm32181->calibscale;
+ lux /= CM32181_CALIBSCALE_RESOLUTION;
+ lux /= MLUX_PER_LUX;
+
+ if (lux > 0xFFFF)
+ lux = 0xFFFF;
+
+ return lux;
+}
+
+static int cm32181_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2, long mask)
+{
+ struct cm32181_chip *cm32181 = iio_priv(indio_dev);
+ int ret;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_PROCESSED:
+ ret = cm32181_get_lux(cm32181);
+ if (ret < 0)
+ return ret;
+ *val = ret;
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_CALIBSCALE:
+ *val = cm32181->calibscale;
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_INT_TIME:
+ *val = 0;
+ ret = cm32181_read_als_it(cm32181, val2);
+ return ret;
+ }
+
+ return -EINVAL;
+}
+
+static int cm32181_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val, int val2, long mask)
+{
+ struct cm32181_chip *cm32181 = iio_priv(indio_dev);
+ int ret;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_CALIBSCALE:
+ cm32181->calibscale = val;
+ return val;
+ case IIO_CHAN_INFO_INT_TIME:
+ ret = cm32181_write_als_it(cm32181, val2);
+ return ret;
+ }
+
+ return -EINVAL;
+}
+
+/**
+ * cm32181_get_it_available() - Get available ALS IT value
+ * @dev: pointer of struct device.
+ * @attr: pointer of struct device_attribute.
+ * @buf: pointer of return string buffer.
+ *
+ * Display the available integration time values by millisecond.
+ *
+ * Return: string length.
+ */
+static ssize_t cm32181_get_it_available(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int i, n, len;
+
+ n = ARRAY_SIZE(als_it_value);
+ for (i = 0, len = 0; i < n; i++)
+ len += sprintf(buf + len, "0.%06u ", als_it_value[i]);
+ return len + sprintf(buf + len, "\n");
+}
+
+static const struct iio_chan_spec cm32181_channels[] = {
+ {
+ .type = IIO_LIGHT,
+ .info_mask_separate =
+ BIT(IIO_CHAN_INFO_PROCESSED) |
+ BIT(IIO_CHAN_INFO_CALIBSCALE) |
+ BIT(IIO_CHAN_INFO_INT_TIME),
+ }
+};
+
+static IIO_DEVICE_ATTR(in_illuminance_integration_time_available,
+ S_IRUGO, cm32181_get_it_available, NULL, 0);
+
+static struct attribute *cm32181_attributes[] = {
+ &iio_dev_attr_in_illuminance_integration_time_available.dev_attr.attr,
+ NULL,
+};
+
+static const struct attribute_group cm32181_attribute_group = {
+ .attrs = cm32181_attributes
+};
+
+static const struct iio_info cm32181_info = {
+ .driver_module = THIS_MODULE,
+ .read_raw = &cm32181_read_raw,
+ .write_raw = &cm32181_write_raw,
+ .attrs = &cm32181_attribute_group,
+};
+
+static int cm32181_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct cm32181_chip *cm32181;
+ struct iio_dev *indio_dev;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*cm32181));
+ if (!indio_dev) {
+ dev_err(&client->dev, "devm_iio_device_alloc failed\n");
+ return -ENOMEM;
+ }
+
+ cm32181 = iio_priv(indio_dev);
+ i2c_set_clientdata(client, indio_dev);
+ cm32181->client = client;
+
+ mutex_init(&cm32181->lock);
+ indio_dev->dev.parent = &client->dev;
+ indio_dev->channels = cm32181_channels;
+ indio_dev->num_channels = ARRAY_SIZE(cm32181_channels);
+ indio_dev->info = &cm32181_info;
+ indio_dev->name = id->name;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = cm32181_reg_init(cm32181);
+ if (ret) {
+ dev_err(&client->dev,
+ "%s: register init failed\n",
+ __func__);
+ return ret;
+ }
+
+ ret = iio_device_register(indio_dev);
+ if (ret) {
+ dev_err(&client->dev,
+ "%s: regist device failed\n",
+ __func__);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int cm32181_remove(struct i2c_client *client)
+{
+ struct iio_dev *indio_dev = i2c_get_clientdata(client);
+
+ iio_device_unregister(indio_dev);
+ return 0;
+}
+
+static const struct i2c_device_id cm32181_id[] = {
+ { "cm32181", 0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(i2c, cm32181_id);
+
+static const struct of_device_id cm32181_of_match[] = {
+ { .compatible = "capella,cm32181" },
+ { }
+};
+
+static struct i2c_driver cm32181_driver = {
+ .driver = {
+ .name = "cm32181",
+ .of_match_table = of_match_ptr(cm32181_of_match),
+ .owner = THIS_MODULE,
+ },
+ .id_table = cm32181_id,
+ .probe = cm32181_probe,
+ .remove = cm32181_remove,
+};
+
+module_i2c_driver(cm32181_driver);
+
+MODULE_AUTHOR("Kevin Tsai <ktsai@capellamicro.com>");
+MODULE_DESCRIPTION("CM32181 ambient light sensor driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c
index 0922e39b0ea..39fc67e8213 100644
--- a/drivers/iio/light/cm36651.c
+++ b/drivers/iio/light/cm36651.c
@@ -50,10 +50,10 @@
#define CM36651_CS_CONF2_DEFAULT_BIT 0x08
/* CS_CONF3 channel integration time */
-#define CM36651_CS_IT1 0x00 /* Integration time 80000 usec */
-#define CM36651_CS_IT2 0x40 /* Integration time 160000 usec */
-#define CM36651_CS_IT3 0x80 /* Integration time 320000 usec */
-#define CM36651_CS_IT4 0xC0 /* Integration time 640000 usec */
+#define CM36651_CS_IT1 0x00 /* Integration time 80 msec */
+#define CM36651_CS_IT2 0x40 /* Integration time 160 msec */
+#define CM36651_CS_IT3 0x80 /* Integration time 320 msec */
+#define CM36651_CS_IT4 0xC0 /* Integration time 640 msec */
/* PS_CONF1 command code */
#define CM36651_PS_ENABLE 0x00
@@ -64,10 +64,10 @@
#define CM36651_PS_PERS4 0x0C
/* PS_CONF1 command code: integration time */
-#define CM36651_PS_IT1 0x00 /* Integration time 320 usec */
-#define CM36651_PS_IT2 0x10 /* Integration time 420 usec */
-#define CM36651_PS_IT3 0x20 /* Integration time 520 usec */
-#define CM36651_PS_IT4 0x30 /* Integration time 640 usec */
+#define CM36651_PS_IT1 0x00 /* Integration time 0.32 msec */
+#define CM36651_PS_IT2 0x10 /* Integration time 0.42 msec */
+#define CM36651_PS_IT3 0x20 /* Integration time 0.52 msec */
+#define CM36651_PS_IT4 0x30 /* Integration time 0.64 msec */
/* PS_CONF1 command code: duty ratio */
#define CM36651_PS_DR1 0x00 /* Duty ratio 1/80 */
@@ -93,8 +93,8 @@
#define CM36651_CLOSE_PROXIMITY 0x32
#define CM36651_FAR_PROXIMITY 0x33
-#define CM36651_CS_INT_TIME_AVAIL "80000 160000 320000 640000"
-#define CM36651_PS_INT_TIME_AVAIL "320 420 520 640"
+#define CM36651_CS_INT_TIME_AVAIL "0.08 0.16 0.32 0.64"
+#define CM36651_PS_INT_TIME_AVAIL "0.000320 0.000420 0.000520 0.000640"
enum cm36651_operation_mode {
CM36651_LIGHT_EN,
@@ -356,30 +356,30 @@ static int cm36651_read_channel(struct cm36651_data *cm36651,
}
static int cm36651_read_int_time(struct cm36651_data *cm36651,
- struct iio_chan_spec const *chan, int *val)
+ struct iio_chan_spec const *chan, int *val2)
{
switch (chan->type) {
case IIO_LIGHT:
if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT1)
- *val = 80000;
+ *val2 = 80000;
else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT2)
- *val = 160000;
+ *val2 = 160000;
else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT3)
- *val = 320000;
+ *val2 = 320000;
else if (cm36651->cs_int_time[chan->address] == CM36651_CS_IT4)
- *val = 640000;
+ *val2 = 640000;
else
return -EINVAL;
break;
case IIO_PROXIMITY:
if (cm36651->ps_int_time == CM36651_PS_IT1)
- *val = 320;
+ *val2 = 320;
else if (cm36651->ps_int_time == CM36651_PS_IT2)
- *val = 420;
+ *val2 = 420;
else if (cm36651->ps_int_time == CM36651_PS_IT3)
- *val = 520;
+ *val2 = 520;
else if (cm36651->ps_int_time == CM36651_PS_IT4)
- *val = 640;
+ *val2 = 640;
else
return -EINVAL;
break;
@@ -387,7 +387,7 @@ static int cm36651_read_int_time(struct cm36651_data *cm36651,
return -EINVAL;
}
- return IIO_VAL_INT;
+ return IIO_VAL_INT_PLUS_MICRO;
}
static int cm36651_write_int_time(struct cm36651_data *cm36651,
@@ -459,7 +459,8 @@ static int cm36651_read_raw(struct iio_dev *indio_dev,
ret = cm36651_read_channel(cm36651, chan, val);
break;
case IIO_CHAN_INFO_INT_TIME:
- ret = cm36651_read_int_time(cm36651, chan, val);
+ *val = 0;
+ ret = cm36651_read_int_time(cm36651, chan, val2);
break;
default:
ret = -EINVAL;
@@ -479,7 +480,7 @@ static int cm36651_write_raw(struct iio_dev *indio_dev,
int ret = -EINVAL;
if (mask == IIO_CHAN_INFO_INT_TIME) {
- ret = cm36651_write_int_time(cm36651, chan, val);
+ ret = cm36651_write_int_time(cm36651, chan, val2);
if (ret < 0)
dev_err(&client->dev, "Integration time write failed\n");
}
@@ -488,7 +489,11 @@ static int cm36651_write_raw(struct iio_dev *indio_dev,
}
static int cm36651_read_prox_thresh(struct iio_dev *indio_dev,
- u64 event_code, int *val)
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info,
+ int *val, int *val2)
{
struct cm36651_data *cm36651 = iio_priv(indio_dev);
@@ -498,7 +503,11 @@ static int cm36651_read_prox_thresh(struct iio_dev *indio_dev,
}
static int cm36651_write_prox_thresh(struct iio_dev *indio_dev,
- u64 event_code, int val)
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info,
+ int val, int val2)
{
struct cm36651_data *cm36651 = iio_priv(indio_dev);
struct i2c_client *client = cm36651->client;
@@ -520,7 +529,10 @@ static int cm36651_write_prox_thresh(struct iio_dev *indio_dev,
}
static int cm36651_write_prox_event_config(struct iio_dev *indio_dev,
- u64 event_code, int state)
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ int state)
{
struct cm36651_data *cm36651 = iio_priv(indio_dev);
int cmd, ret = -EINVAL;
@@ -536,7 +548,9 @@ static int cm36651_write_prox_event_config(struct iio_dev *indio_dev,
}
static int cm36651_read_prox_event_config(struct iio_dev *indio_dev,
- u64 event_code)
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir)
{
struct cm36651_data *cm36651 = iio_priv(indio_dev);
int event_en;
@@ -559,12 +573,22 @@ static int cm36651_read_prox_event_config(struct iio_dev *indio_dev,
.channel2 = IIO_MOD_LIGHT_##_color, \
} \
+static const struct iio_event_spec cm36651_event_spec[] = {
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_EITHER,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_ENABLE),
+ }
+};
+
static const struct iio_chan_spec cm36651_channels[] = {
{
.type = IIO_PROXIMITY,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_INT_TIME),
- .event_mask = IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_EITHER)
+ .event_spec = cm36651_event_spec,
+ .num_event_specs = ARRAY_SIZE(cm36651_event_spec),
},
CM36651_LIGHT_CHANNEL(RED, CM36651_LIGHT_CHANNEL_IDX_RED),
CM36651_LIGHT_CHANNEL(GREEN, CM36651_LIGHT_CHANNEL_IDX_GREEN),
@@ -628,7 +652,19 @@ static int cm36651_probe(struct i2c_client *client,
cm36651->client = client;
cm36651->ps_client = i2c_new_dummy(client->adapter,
CM36651_I2C_ADDR_PS);
+ if (!cm36651->ps_client) {
+ dev_err(&client->dev, "%s: new i2c device failed\n", __func__);
+ ret = -ENODEV;
+ goto error_disable_reg;
+ }
+
cm36651->ara_client = i2c_new_dummy(client->adapter, CM36651_ARA);
+ if (!cm36651->ara_client) {
+ dev_err(&client->dev, "%s: new i2c device failed\n", __func__);
+ ret = -ENODEV;
+ goto error_i2c_unregister_ps;
+ }
+
mutex_init(&cm36651->lock);
indio_dev->dev.parent = &client->dev;
indio_dev->channels = cm36651_channels;
@@ -640,7 +676,7 @@ static int cm36651_probe(struct i2c_client *client,
ret = cm36651_setup_reg(cm36651);
if (ret) {
dev_err(&client->dev, "%s: register setup failed\n", __func__);
- goto error_disable_reg;
+ goto error_i2c_unregister_ara;
}
ret = request_threaded_irq(client->irq, NULL, cm36651_irq_handler,
@@ -648,7 +684,7 @@ static int cm36651_probe(struct i2c_client *client,
"cm36651", indio_dev);
if (ret) {
dev_err(&client->dev, "%s: request irq failed\n", __func__);
- goto error_disable_reg;
+ goto error_i2c_unregister_ara;
}
ret = iio_device_register(indio_dev);
@@ -661,6 +697,10 @@ static int cm36651_probe(struct i2c_client *client,
error_free_irq:
free_irq(client->irq, indio_dev);
+error_i2c_unregister_ara:
+ i2c_unregister_device(cm36651->ara_client);
+error_i2c_unregister_ps:
+ i2c_unregister_device(cm36651->ps_client);
error_disable_reg:
regulator_disable(cm36651->vled_reg);
return ret;
@@ -674,6 +714,8 @@ static int cm36651_remove(struct i2c_client *client)
iio_device_unregister(indio_dev);
regulator_disable(cm36651->vled_reg);
free_irq(client->irq, indio_dev);
+ i2c_unregister_device(cm36651->ps_client);
+ i2c_unregister_device(cm36651->ara_client);
return 0;
}
@@ -693,7 +735,7 @@ static const struct of_device_id cm36651_of_match[] = {
static struct i2c_driver cm36651_driver = {
.driver = {
.name = "cm36651",
- .of_match_table = of_match_ptr(cm36651_of_match),
+ .of_match_table = cm36651_of_match,
.owner = THIS_MODULE,
},
.probe = cm36651_probe,
diff --git a/drivers/iio/light/gp2ap020a00f.c b/drivers/iio/light/gp2ap020a00f.c
index dc79835be30..04bdb85d2d9 100644
--- a/drivers/iio/light/gp2ap020a00f.c
+++ b/drivers/iio/light/gp2ap020a00f.c
@@ -5,13 +5,13 @@
* IIO features supported by the driver:
*
* Read-only raw channels:
- * - illiminance_clear [lux]
- * - illiminance_ir
+ * - illuminance_clear [lux]
+ * - illuminance_ir
* - proximity
*
* Triggered buffer:
- * - illiminance_clear
- * - illiminance_ir
+ * - illuminance_clear
+ * - illuminance_ir
* - proximity
*
* Events:
@@ -1388,10 +1388,10 @@ static const struct iio_chan_spec gp2ap020a00f_channels[] = {
static const struct iio_info gp2ap020a00f_info = {
.read_raw = &gp2ap020a00f_read_raw,
- .read_event_value_new = &gp2ap020a00f_read_event_val,
- .read_event_config_new = &gp2ap020a00f_read_event_config,
- .write_event_value_new = &gp2ap020a00f_write_event_val,
- .write_event_config_new = &gp2ap020a00f_write_event_config,
+ .read_event_value = &gp2ap020a00f_read_event_val,
+ .read_event_config = &gp2ap020a00f_read_event_config,
+ .write_event_value = &gp2ap020a00f_write_event_val,
+ .write_event_config = &gp2ap020a00f_write_event_config,
.driver_module = THIS_MODULE,
};
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index 8e8b9d72285..96e71e103ea 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -22,6 +22,7 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/slab.h>
+#include <linux/delay.h>
#include <linux/hid-sensor-hub.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
@@ -37,6 +38,10 @@ struct als_state {
struct hid_sensor_common common_attributes;
struct hid_sensor_hub_attribute_info als_illum;
u32 illum;
+ int scale_pre_decml;
+ int scale_post_decml;
+ int scale_precision;
+ int value_offset;
};
/* Channel definitions */
@@ -45,6 +50,7 @@ static const struct iio_chan_spec als_channels[] = {
.type = IIO_INTENSITY,
.modified = 1,
.channel2 = IIO_MOD_LIGHT_BOTH,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
BIT(IIO_CHAN_INFO_SCALE) |
BIT(IIO_CHAN_INFO_SAMP_FREQ) |
@@ -73,8 +79,8 @@ static int als_read_raw(struct iio_dev *indio_dev,
struct als_state *als_state = iio_priv(indio_dev);
int report_id = -1;
u32 address;
- int ret;
int ret_type;
+ s32 poll_value;
*val = 0;
*val2 = 0;
@@ -90,35 +96,44 @@ static int als_read_raw(struct iio_dev *indio_dev,
report_id = -1;
break;
}
- if (report_id >= 0)
+ if (report_id >= 0) {
+ poll_value = hid_sensor_read_poll_value(
+ &als_state->common_attributes);
+ if (poll_value < 0)
+ return -EINVAL;
+
+ hid_sensor_power_state(&als_state->common_attributes,
+ true);
+ msleep_interruptible(poll_value * 2);
+
*val = sensor_hub_input_attr_get_raw_value(
- als_state->common_attributes.hsdev,
- HID_USAGE_SENSOR_ALS, address,
- report_id);
- else {
+ als_state->common_attributes.hsdev,
+ HID_USAGE_SENSOR_ALS, address,
+ report_id);
+ hid_sensor_power_state(&als_state->common_attributes,
+ false);
+ } else {
*val = 0;
return -EINVAL;
}
ret_type = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_SCALE:
- *val = als_state->als_illum.units;
- ret_type = IIO_VAL_INT;
+ *val = als_state->scale_pre_decml;
+ *val2 = als_state->scale_post_decml;
+ ret_type = als_state->scale_precision;
break;
case IIO_CHAN_INFO_OFFSET:
- *val = hid_sensor_convert_exponent(
- als_state->als_illum.unit_expo);
+ *val = als_state->value_offset;
ret_type = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_SAMP_FREQ:
- ret = hid_sensor_read_samp_freq_value(
+ ret_type = hid_sensor_read_samp_freq_value(
&als_state->common_attributes, val, val2);
- ret_type = IIO_VAL_INT_PLUS_MICRO;
break;
case IIO_CHAN_INFO_HYSTERESIS:
- ret = hid_sensor_read_raw_hyst_value(
+ ret_type = hid_sensor_read_raw_hyst_value(
&als_state->common_attributes, val, val2);
- ret_type = IIO_VAL_INT_PLUS_MICRO;
break;
default:
ret_type = -EINVAL;
@@ -176,9 +191,8 @@ static int als_proc_event(struct hid_sensor_hub_device *hsdev,
struct iio_dev *indio_dev = platform_get_drvdata(priv);
struct als_state *als_state = iio_priv(indio_dev);
- dev_dbg(&indio_dev->dev, "als_proc_event [%d]\n",
- als_state->common_attributes.data_ready);
- if (als_state->common_attributes.data_ready)
+ dev_dbg(&indio_dev->dev, "als_proc_event\n");
+ if (atomic_read(&als_state->common_attributes.data_ready))
hid_sensor_push_data(indio_dev,
&als_state->illum,
sizeof(als_state->illum));
@@ -229,6 +243,22 @@ static int als_parse_report(struct platform_device *pdev,
dev_dbg(&pdev->dev, "als %x:%x\n", st->als_illum.index,
st->als_illum.report_id);
+ st->scale_precision = hid_sensor_format_scale(
+ HID_USAGE_SENSOR_ALS,
+ &st->als_illum,
+ &st->scale_pre_decml, &st->scale_post_decml);
+
+ /* Set Sensitivity field ids, when there is no individual modifier */
+ if (st->common_attributes.sensitivity.index < 0) {
+ sensor_hub_input_get_attribute_info(hsdev,
+ HID_FEATURE_REPORT, usage_id,
+ HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS |
+ HID_USAGE_SENSOR_DATA_LIGHT,
+ &st->common_attributes.sensitivity);
+ dev_dbg(&pdev->dev, "Sensitivity index:report %d:%d\n",
+ st->common_attributes.sensitivity.index,
+ st->common_attributes.sensitivity.report_id);
+ }
return ret;
}
@@ -285,7 +315,7 @@ static int hid_als_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to initialize trigger buffer\n");
goto error_free_dev_mem;
}
- als_state->common_attributes.data_ready = false;
+ atomic_set(&als_state->common_attributes.data_ready, 0);
ret = hid_sensor_setup_trigger(indio_dev, name,
&als_state->common_attributes);
if (ret < 0) {
diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c
new file mode 100644
index 00000000000..412bae86d6a
--- /dev/null
+++ b/drivers/iio/light/hid-sensor-prox.c
@@ -0,0 +1,385 @@
+/*
+ * HID Sensors Driver
+ * Copyright (c) 2014, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.
+ *
+ */
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/hid-sensor-hub.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/trigger_consumer.h>
+#include <linux/iio/triggered_buffer.h>
+#include "../common/hid-sensors/hid-sensor-trigger.h"
+
+#define CHANNEL_SCAN_INDEX_PRESENCE 0
+
+struct prox_state {
+ struct hid_sensor_hub_callbacks callbacks;
+ struct hid_sensor_common common_attributes;
+ struct hid_sensor_hub_attribute_info prox_attr;
+ u32 human_presence;
+};
+
+/* Channel definitions */
+static const struct iio_chan_spec prox_channels[] = {
+ {
+ .type = IIO_PROXIMITY,
+ .modified = 1,
+ .channel2 = IIO_NO_MOD,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_SAMP_FREQ) |
+ BIT(IIO_CHAN_INFO_HYSTERESIS),
+ .scan_index = CHANNEL_SCAN_INDEX_PRESENCE,
+ }
+};
+
+/* Adjust channel real bits based on report descriptor */
+static void prox_adjust_channel_bit_mask(struct iio_chan_spec *channels,
+ int channel, int size)
+{
+ channels[channel].scan_type.sign = 's';
+ /* Real storage bits will change based on the report desc. */
+ channels[channel].scan_type.realbits = size * 8;
+ /* Maximum size of a sample to capture is u32 */
+ channels[channel].scan_type.storagebits = sizeof(u32) * 8;
+}
+
+/* Channel read_raw handler */
+static int prox_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2,
+ long mask)
+{
+ struct prox_state *prox_state = iio_priv(indio_dev);
+ int report_id = -1;
+ u32 address;
+ int ret_type;
+ s32 poll_value;
+
+ *val = 0;
+ *val2 = 0;
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ switch (chan->scan_index) {
+ case CHANNEL_SCAN_INDEX_PRESENCE:
+ report_id = prox_state->prox_attr.report_id;
+ address =
+ HID_USAGE_SENSOR_HUMAN_PRESENCE;
+ break;
+ default:
+ report_id = -1;
+ break;
+ }
+ if (report_id >= 0) {
+ poll_value = hid_sensor_read_poll_value(
+ &prox_state->common_attributes);
+ if (poll_value < 0)
+ return -EINVAL;
+
+ hid_sensor_power_state(&prox_state->common_attributes,
+ true);
+
+ msleep_interruptible(poll_value * 2);
+
+ *val = sensor_hub_input_attr_get_raw_value(
+ prox_state->common_attributes.hsdev,
+ HID_USAGE_SENSOR_PROX, address,
+ report_id);
+ hid_sensor_power_state(&prox_state->common_attributes,
+ false);
+ } else {
+ *val = 0;
+ return -EINVAL;
+ }
+ ret_type = IIO_VAL_INT;
+ break;
+ case IIO_CHAN_INFO_SCALE:
+ *val = prox_state->prox_attr.units;
+ ret_type = IIO_VAL_INT;
+ break;
+ case IIO_CHAN_INFO_OFFSET:
+ *val = hid_sensor_convert_exponent(
+ prox_state->prox_attr.unit_expo);
+ ret_type = IIO_VAL_INT;
+ break;
+ case IIO_CHAN_INFO_SAMP_FREQ:
+ ret_type = hid_sensor_read_samp_freq_value(
+ &prox_state->common_attributes, val, val2);
+ break;
+ case IIO_CHAN_INFO_HYSTERESIS:
+ ret_type = hid_sensor_read_raw_hyst_value(
+ &prox_state->common_attributes, val, val2);
+ break;
+ default:
+ ret_type = -EINVAL;
+ break;
+ }
+
+ return ret_type;
+}
+
+/* Channel write_raw handler */
+static int prox_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val,
+ int val2,
+ long mask)
+{
+ struct prox_state *prox_state = iio_priv(indio_dev);
+ int ret = 0;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_SAMP_FREQ:
+ ret = hid_sensor_write_samp_freq_value(
+ &prox_state->common_attributes, val, val2);
+ break;
+ case IIO_CHAN_INFO_HYSTERESIS:
+ ret = hid_sensor_write_raw_hyst_value(
+ &prox_state->common_attributes, val, val2);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static const struct iio_info prox_info = {
+ .driver_module = THIS_MODULE,
+ .read_raw = &prox_read_raw,
+ .write_raw = &prox_write_raw,
+};
+
+/* Function to push data to buffer */
+static void hid_sensor_push_data(struct iio_dev *indio_dev, const void *data,
+ int len)
+{
+ dev_dbg(&indio_dev->dev, "hid_sensor_push_data\n");
+ iio_push_to_buffers(indio_dev, data);
+}
+
+/* Callback handler to send event after all samples are received and captured */
+static int prox_proc_event(struct hid_sensor_hub_device *hsdev,
+ unsigned usage_id,
+ void *priv)
+{
+ struct iio_dev *indio_dev = platform_get_drvdata(priv);
+ struct prox_state *prox_state = iio_priv(indio_dev);
+
+ dev_dbg(&indio_dev->dev, "prox_proc_event\n");
+ if (atomic_read(&prox_state->common_attributes.data_ready))
+ hid_sensor_push_data(indio_dev,
+ &prox_state->human_presence,
+ sizeof(prox_state->human_presence));
+
+ return 0;
+}
+
+/* Capture samples in local storage */
+static int prox_capture_sample(struct hid_sensor_hub_device *hsdev,
+ unsigned usage_id,
+ size_t raw_len, char *raw_data,
+ void *priv)
+{
+ struct iio_dev *indio_dev = platform_get_drvdata(priv);
+ struct prox_state *prox_state = iio_priv(indio_dev);
+ int ret = -EINVAL;
+
+ switch (usage_id) {
+ case HID_USAGE_SENSOR_HUMAN_PRESENCE:
+ prox_state->human_presence = *(u32 *)raw_data;
+ ret = 0;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+/* Parse report which is specific to an usage id*/
+static int prox_parse_report(struct platform_device *pdev,
+ struct hid_sensor_hub_device *hsdev,
+ struct iio_chan_spec *channels,
+ unsigned usage_id,
+ struct prox_state *st)
+{
+ int ret;
+
+ ret = sensor_hub_input_get_attribute_info(hsdev, HID_INPUT_REPORT,
+ usage_id,
+ HID_USAGE_SENSOR_HUMAN_PRESENCE,
+ &st->prox_attr);
+ if (ret < 0)
+ return ret;
+ prox_adjust_channel_bit_mask(channels, CHANNEL_SCAN_INDEX_PRESENCE,
+ st->prox_attr.size);
+
+ dev_dbg(&pdev->dev, "prox %x:%x\n", st->prox_attr.index,
+ st->prox_attr.report_id);
+
+ /* Set Sensitivity field ids, when there is no individual modifier */
+ if (st->common_attributes.sensitivity.index < 0) {
+ sensor_hub_input_get_attribute_info(hsdev,
+ HID_FEATURE_REPORT, usage_id,
+ HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS |
+ HID_USAGE_SENSOR_DATA_PRESENCE,
+ &st->common_attributes.sensitivity);
+ dev_dbg(&pdev->dev, "Sensitivity index:report %d:%d\n",
+ st->common_attributes.sensitivity.index,
+ st->common_attributes.sensitivity.report_id);
+ }
+ return ret;
+}
+
+/* Function to initialize the processing for usage id */
+static int hid_prox_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+ static const char *name = "prox";
+ struct iio_dev *indio_dev;
+ struct prox_state *prox_state;
+ struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
+ struct iio_chan_spec *channels;
+
+ indio_dev = devm_iio_device_alloc(&pdev->dev,
+ sizeof(struct prox_state));
+ if (!indio_dev)
+ return -ENOMEM;
+ platform_set_drvdata(pdev, indio_dev);
+
+ prox_state = iio_priv(indio_dev);
+ prox_state->common_attributes.hsdev = hsdev;
+ prox_state->common_attributes.pdev = pdev;
+
+ ret = hid_sensor_parse_common_attributes(hsdev, HID_USAGE_SENSOR_PROX,
+ &prox_state->common_attributes);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to setup common attributes\n");
+ return ret;
+ }
+
+ channels = kmemdup(prox_channels, sizeof(prox_channels), GFP_KERNEL);
+ if (!channels) {
+ dev_err(&pdev->dev, "failed to duplicate channels\n");
+ return -ENOMEM;
+ }
+
+ ret = prox_parse_report(pdev, hsdev, channels,
+ HID_USAGE_SENSOR_PROX, prox_state);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to setup attributes\n");
+ goto error_free_dev_mem;
+ }
+
+ indio_dev->channels = channels;
+ indio_dev->num_channels =
+ ARRAY_SIZE(prox_channels);
+ indio_dev->dev.parent = &pdev->dev;
+ indio_dev->info = &prox_info;
+ indio_dev->name = name;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
+ NULL, NULL);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to initialize trigger buffer\n");
+ goto error_free_dev_mem;
+ }
+ atomic_set(&prox_state->common_attributes.data_ready, 0);
+ ret = hid_sensor_setup_trigger(indio_dev, name,
+ &prox_state->common_attributes);
+ if (ret) {
+ dev_err(&pdev->dev, "trigger setup failed\n");
+ goto error_unreg_buffer_funcs;
+ }
+
+ ret = iio_device_register(indio_dev);
+ if (ret) {
+ dev_err(&pdev->dev, "device register failed\n");
+ goto error_remove_trigger;
+ }
+
+ prox_state->callbacks.send_event = prox_proc_event;
+ prox_state->callbacks.capture_sample = prox_capture_sample;
+ prox_state->callbacks.pdev = pdev;
+ ret = sensor_hub_register_callback(hsdev, HID_USAGE_SENSOR_PROX,
+ &prox_state->callbacks);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "callback reg failed\n");
+ goto error_iio_unreg;
+ }
+
+ return ret;
+
+error_iio_unreg:
+ iio_device_unregister(indio_dev);
+error_remove_trigger:
+ hid_sensor_remove_trigger(&prox_state->common_attributes);
+error_unreg_buffer_funcs:
+ iio_triggered_buffer_cleanup(indio_dev);
+error_free_dev_mem:
+ kfree(indio_dev->channels);
+ return ret;
+}
+
+/* Function to deinitialize the processing for usage id */
+static int hid_prox_remove(struct platform_device *pdev)
+{
+ struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
+ struct iio_dev *indio_dev = platform_get_drvdata(pdev);
+ struct prox_state *prox_state = iio_priv(indio_dev);
+
+ sensor_hub_remove_callback(hsdev, HID_USAGE_SENSOR_PROX);
+ iio_device_unregister(indio_dev);
+ hid_sensor_remove_trigger(&prox_state->common_attributes);
+ iio_triggered_buffer_cleanup(indio_dev);
+ kfree(indio_dev->channels);
+
+ return 0;
+}
+
+static struct platform_device_id hid_prox_ids[] = {
+ {
+ /* Format: HID-SENSOR-usage_id_in_hex_lowercase */
+ .name = "HID-SENSOR-200011",
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, hid_prox_ids);
+
+static struct platform_driver hid_prox_platform_driver = {
+ .id_table = hid_prox_ids,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = hid_prox_probe,
+ .remove = hid_prox_remove,
+};
+module_platform_driver(hid_prox_platform_driver);
+
+MODULE_DESCRIPTION("HID Sensor Proximity");
+MODULE_AUTHOR("Archana Patni <archana.patni@intel.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
new file mode 100644
index 00000000000..62b7072af4d
--- /dev/null
+++ b/drivers/iio/light/ltr501.c
@@ -0,0 +1,445 @@
+/*
+ * ltr501.c - Support for Lite-On LTR501 ambient light and proximity sensor
+ *
+ * Copyright 2014 Peter Meerwald <pmeerw@pmeerw.net>
+ *
+ * This file is subject to the terms and conditions of version 2 of
+ * the GNU General Public License. See the file COPYING in the main
+ * directory of this archive for more details.
+ *
+ * 7-bit I2C slave address 0x23
+ *
+ * TODO: interrupt, threshold, measurement rate, IR LED characteristics
+ */
+
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/trigger_consumer.h>
+#include <linux/iio/buffer.h>
+#include <linux/iio/triggered_buffer.h>
+
+#define LTR501_DRV_NAME "ltr501"
+
+#define LTR501_ALS_CONTR 0x80 /* ALS operation mode, SW reset */
+#define LTR501_PS_CONTR 0x81 /* PS operation mode */
+#define LTR501_PART_ID 0x86
+#define LTR501_MANUFAC_ID 0x87
+#define LTR501_ALS_DATA1 0x88 /* 16-bit, little endian */
+#define LTR501_ALS_DATA0 0x8a /* 16-bit, little endian */
+#define LTR501_ALS_PS_STATUS 0x8c
+#define LTR501_PS_DATA 0x8d /* 16-bit, little endian */
+
+#define LTR501_ALS_CONTR_SW_RESET BIT(2)
+#define LTR501_CONTR_PS_GAIN_MASK (BIT(3) | BIT(2))
+#define LTR501_CONTR_PS_GAIN_SHIFT 2
+#define LTR501_CONTR_ALS_GAIN_MASK BIT(3)
+#define LTR501_CONTR_ACTIVE BIT(1)
+
+#define LTR501_STATUS_ALS_RDY BIT(2)
+#define LTR501_STATUS_PS_RDY BIT(0)
+
+#define LTR501_PS_DATA_MASK 0x7ff
+
+struct ltr501_data {
+ struct i2c_client *client;
+ struct mutex lock_als, lock_ps;
+ u8 als_contr, ps_contr;
+};
+
+static int ltr501_drdy(struct ltr501_data *data, u8 drdy_mask)
+{
+ int tries = 100;
+ int ret;
+
+ while (tries--) {
+ ret = i2c_smbus_read_byte_data(data->client,
+ LTR501_ALS_PS_STATUS);
+ if (ret < 0)
+ return ret;
+ if ((ret & drdy_mask) == drdy_mask)
+ return 0;
+ msleep(25);
+ }
+
+ dev_err(&data->client->dev, "ltr501_drdy() failed, data not ready\n");
+ return -EIO;
+}
+
+static int ltr501_read_als(struct ltr501_data *data, __le16 buf[2])
+{
+ int ret = ltr501_drdy(data, LTR501_STATUS_ALS_RDY);
+ if (ret < 0)
+ return ret;
+ /* always read both ALS channels in given order */
+ return i2c_smbus_read_i2c_block_data(data->client,
+ LTR501_ALS_DATA1, 2 * sizeof(__le16), (u8 *) buf);
+}
+
+static int ltr501_read_ps(struct ltr501_data *data)
+{
+ int ret = ltr501_drdy(data, LTR501_STATUS_PS_RDY);
+ if (ret < 0)
+ return ret;
+ return i2c_smbus_read_word_data(data->client, LTR501_PS_DATA);
+}
+
+#define LTR501_INTENSITY_CHANNEL(_idx, _addr, _mod, _shared) { \
+ .type = IIO_INTENSITY, \
+ .modified = 1, \
+ .address = (_addr), \
+ .channel2 = (_mod), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .info_mask_shared_by_type = (_shared), \
+ .scan_index = (_idx), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ } \
+}
+
+static const struct iio_chan_spec ltr501_channels[] = {
+ LTR501_INTENSITY_CHANNEL(0, LTR501_ALS_DATA0, IIO_MOD_LIGHT_BOTH, 0),
+ LTR501_INTENSITY_CHANNEL(1, LTR501_ALS_DATA1, IIO_MOD_LIGHT_IR,
+ BIT(IIO_CHAN_INFO_SCALE)),
+ {
+ .type = IIO_PROXIMITY,
+ .address = LTR501_PS_DATA,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE),
+ .scan_index = 2,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 11,
+ .storagebits = 16,
+ .endianness = IIO_CPU,
+ },
+ },
+ IIO_CHAN_SOFT_TIMESTAMP(3),
+};
+
+static const int ltr501_ps_gain[4][2] = {
+ {1, 0}, {0, 250000}, {0, 125000}, {0, 62500}
+};
+
+static int ltr501_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int *val, int *val2, long mask)
+{
+ struct ltr501_data *data = iio_priv(indio_dev);
+ __le16 buf[2];
+ int ret, i;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ if (iio_buffer_enabled(indio_dev))
+ return -EBUSY;
+
+ switch (chan->type) {
+ case IIO_INTENSITY:
+ mutex_lock(&data->lock_als);
+ ret = ltr501_read_als(data, buf);
+ mutex_unlock(&data->lock_als);
+ if (ret < 0)
+ return ret;
+ *val = le16_to_cpu(chan->address == LTR501_ALS_DATA1 ?
+ buf[0] : buf[1]);
+ return IIO_VAL_INT;
+ case IIO_PROXIMITY:
+ mutex_lock(&data->lock_ps);
+ ret = ltr501_read_ps(data);
+ mutex_unlock(&data->lock_ps);
+ if (ret < 0)
+ return ret;
+ *val = ret & LTR501_PS_DATA_MASK;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_INTENSITY:
+ if (data->als_contr & LTR501_CONTR_ALS_GAIN_MASK) {
+ *val = 0;
+ *val2 = 5000;
+ return IIO_VAL_INT_PLUS_MICRO;
+ } else {
+ *val = 1;
+ *val2 = 0;
+ return IIO_VAL_INT;
+ }
+ case IIO_PROXIMITY:
+ i = (data->ps_contr & LTR501_CONTR_PS_GAIN_MASK) >>
+ LTR501_CONTR_PS_GAIN_SHIFT;
+ *val = ltr501_ps_gain[i][0];
+ *val2 = ltr501_ps_gain[i][1];
+ return IIO_VAL_INT_PLUS_MICRO;
+ default:
+ return -EINVAL;
+ }
+ }
+ return -EINVAL;
+}
+
+static int ltr501_get_ps_gain_index(int val, int val2)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ltr501_ps_gain); i++)
+ if (val == ltr501_ps_gain[i][0] && val2 == ltr501_ps_gain[i][1])
+ return i;
+
+ return -1;
+}
+
+static int ltr501_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ int val, int val2, long mask)
+{
+ struct ltr501_data *data = iio_priv(indio_dev);
+ int i;
+
+ if (iio_buffer_enabled(indio_dev))
+ return -EBUSY;
+
+ switch (mask) {
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_INTENSITY:
+ if (val == 0 && val2 == 5000)
+ data->als_contr |= LTR501_CONTR_ALS_GAIN_MASK;
+ else if (val == 1 && val2 == 0)
+ data->als_contr &= ~LTR501_CONTR_ALS_GAIN_MASK;
+ else
+ return -EINVAL;
+ return i2c_smbus_write_byte_data(data->client,
+ LTR501_ALS_CONTR, data->als_contr);
+ case IIO_PROXIMITY:
+ i = ltr501_get_ps_gain_index(val, val2);
+ if (i < 0)
+ return -EINVAL;
+ data->ps_contr &= ~LTR501_CONTR_PS_GAIN_MASK;
+ data->ps_contr |= i << LTR501_CONTR_PS_GAIN_SHIFT;
+ return i2c_smbus_write_byte_data(data->client,
+ LTR501_PS_CONTR, data->ps_contr);
+ default:
+ return -EINVAL;
+ }
+ }
+ return -EINVAL;
+}
+
+static IIO_CONST_ATTR(in_proximity_scale_available, "1 0.25 0.125 0.0625");
+static IIO_CONST_ATTR(in_intensity_scale_available, "1 0.005");
+
+static struct attribute *ltr501_attributes[] = {
+ &iio_const_attr_in_proximity_scale_available.dev_attr.attr,
+ &iio_const_attr_in_intensity_scale_available.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group ltr501_attribute_group = {
+ .attrs = ltr501_attributes,
+};
+
+static const struct iio_info ltr501_info = {
+ .read_raw = ltr501_read_raw,
+ .write_raw = ltr501_write_raw,
+ .attrs = &ltr501_attribute_group,
+ .driver_module = THIS_MODULE,
+};
+
+static int ltr501_write_contr(struct i2c_client *client, u8 als_val, u8 ps_val)
+{
+ int ret = i2c_smbus_write_byte_data(client, LTR501_ALS_CONTR, als_val);
+ if (ret < 0)
+ return ret;
+
+ return i2c_smbus_write_byte_data(client, LTR501_PS_CONTR, ps_val);
+}
+
+static irqreturn_t ltr501_trigger_handler(int irq, void *p)
+{
+ struct iio_poll_func *pf = p;
+ struct iio_dev *indio_dev = pf->indio_dev;
+ struct ltr501_data *data = iio_priv(indio_dev);
+ u16 buf[8];
+ __le16 als_buf[2];
+ u8 mask = 0;
+ int j = 0;
+ int ret;
+
+ memset(buf, 0, sizeof(buf));
+
+ /* figure out which data needs to be ready */
+ if (test_bit(0, indio_dev->active_scan_mask) ||
+ test_bit(1, indio_dev->active_scan_mask))
+ mask |= LTR501_STATUS_ALS_RDY;
+ if (test_bit(2, indio_dev->active_scan_mask))
+ mask |= LTR501_STATUS_PS_RDY;
+
+ ret = ltr501_drdy(data, mask);
+ if (ret < 0)
+ goto done;
+
+ if (mask & LTR501_STATUS_ALS_RDY) {
+ ret = i2c_smbus_read_i2c_block_data(data->client,
+ LTR501_ALS_DATA1, sizeof(als_buf), (u8 *) als_buf);
+ if (ret < 0)
+ return ret;
+ if (test_bit(0, indio_dev->active_scan_mask))
+ buf[j++] = le16_to_cpu(als_buf[1]);
+ if (test_bit(1, indio_dev->active_scan_mask))
+ buf[j++] = le16_to_cpu(als_buf[0]);
+ }
+
+ if (mask & LTR501_STATUS_PS_RDY) {
+ ret = i2c_smbus_read_word_data(data->client, LTR501_PS_DATA);
+ if (ret < 0)
+ goto done;
+ buf[j++] = ret & LTR501_PS_DATA_MASK;
+ }
+
+ iio_push_to_buffers_with_timestamp(indio_dev, buf,
+ iio_get_time_ns());
+
+done:
+ iio_trigger_notify_done(indio_dev->trig);
+
+ return IRQ_HANDLED;
+}
+
+static int ltr501_init(struct ltr501_data *data)
+{
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(data->client, LTR501_ALS_CONTR);
+ if (ret < 0)
+ return ret;
+ data->als_contr = ret | LTR501_CONTR_ACTIVE;
+
+ ret = i2c_smbus_read_byte_data(data->client, LTR501_PS_CONTR);
+ if (ret < 0)
+ return ret;
+ data->ps_contr = ret | LTR501_CONTR_ACTIVE;
+
+ return ltr501_write_contr(data->client, data->als_contr,
+ data->ps_contr);
+}
+
+static int ltr501_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct ltr501_data *data;
+ struct iio_dev *indio_dev;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ data = iio_priv(indio_dev);
+ i2c_set_clientdata(client, indio_dev);
+ data->client = client;
+ mutex_init(&data->lock_als);
+ mutex_init(&data->lock_ps);
+
+ ret = i2c_smbus_read_byte_data(data->client, LTR501_PART_ID);
+ if (ret < 0)
+ return ret;
+ if ((ret >> 4) != 0x8)
+ return -ENODEV;
+
+ indio_dev->dev.parent = &client->dev;
+ indio_dev->info = &ltr501_info;
+ indio_dev->channels = ltr501_channels;
+ indio_dev->num_channels = ARRAY_SIZE(ltr501_channels);
+ indio_dev->name = LTR501_DRV_NAME;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ ret = ltr501_init(data);
+ if (ret < 0)
+ return ret;
+
+ ret = iio_triggered_buffer_setup(indio_dev, NULL,
+ ltr501_trigger_handler, NULL);
+ if (ret)
+ return ret;
+
+ ret = iio_device_register(indio_dev);
+ if (ret)
+ goto error_unreg_buffer;
+
+ return 0;
+
+error_unreg_buffer:
+ iio_triggered_buffer_cleanup(indio_dev);
+ return ret;
+}
+
+static int ltr501_powerdown(struct ltr501_data *data)
+{
+ return ltr501_write_contr(data->client,
+ data->als_contr & ~LTR501_CONTR_ACTIVE,
+ data->ps_contr & ~LTR501_CONTR_ACTIVE);
+}
+
+static int ltr501_remove(struct i2c_client *client)
+{
+ struct iio_dev *indio_dev = i2c_get_clientdata(client);
+
+ iio_device_unregister(indio_dev);
+ iio_triggered_buffer_cleanup(indio_dev);
+ ltr501_powerdown(iio_priv(indio_dev));
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int ltr501_suspend(struct device *dev)
+{
+ struct ltr501_data *data = iio_priv(i2c_get_clientdata(
+ to_i2c_client(dev)));
+ return ltr501_powerdown(data);
+}
+
+static int ltr501_resume(struct device *dev)
+{
+ struct ltr501_data *data = iio_priv(i2c_get_clientdata(
+ to_i2c_client(dev)));
+
+ return ltr501_write_contr(data->client, data->als_contr,
+ data->ps_contr);
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(ltr501_pm_ops, ltr501_suspend, ltr501_resume);
+
+static const struct i2c_device_id ltr501_id[] = {
+ { "ltr501", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ltr501_id);
+
+static struct i2c_driver ltr501_driver = {
+ .driver = {
+ .name = LTR501_DRV_NAME,
+ .pm = &ltr501_pm_ops,
+ .owner = THIS_MODULE,
+ },
+ .probe = ltr501_probe,
+ .remove = ltr501_remove,
+ .id_table = ltr501_id,
+};
+
+module_i2c_driver(ltr501_driver);
+
+MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");
+MODULE_DESCRIPTION("Lite-On LTR501 ambient light and proximity sensor driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c
index 45df2204614..752569985d1 100644
--- a/drivers/iio/light/tcs3472.c
+++ b/drivers/iio/light/tcs3472.c
@@ -52,6 +52,7 @@
struct tcs3472_data {
struct i2c_client *client;
+ struct mutex lock;
u8 enable;
u8 control;
u8 atime;
@@ -67,7 +68,12 @@ struct tcs3472_data {
.channel2 = IIO_MOD_LIGHT_##_color, \
.address = _addr, \
.scan_index = _si, \
- .scan_type = IIO_ST('u', 16, 16, 0), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_CPU, \
+ }, \
}
static const int tcs3472_agains[] = { 1, 4, 16, 60 };
@@ -111,10 +117,17 @@ static int tcs3472_read_raw(struct iio_dev *indio_dev,
switch (mask) {
case IIO_CHAN_INFO_RAW:
+ if (iio_buffer_enabled(indio_dev))
+ return -EBUSY;
+
+ mutex_lock(&data->lock);
ret = tcs3472_req_data(data);
- if (ret < 0)
+ if (ret < 0) {
+ mutex_unlock(&data->lock);
return ret;
+ }
ret = i2c_smbus_read_word_data(data->client, chan->address);
+ mutex_unlock(&data->lock);
if (ret < 0)
return ret;
*val = ret;
@@ -174,7 +187,6 @@ static irqreturn_t tcs3472_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct tcs3472_data *data = iio_priv(indio_dev);
- int len = 0;
int i, j = 0;
int ret = tcs3472_req_data(data);
@@ -189,7 +201,6 @@ static irqreturn_t tcs3472_trigger_handler(int irq, void *p)
goto done;
data->buffer[j++] = ret;
- len += 2;
}
iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
@@ -252,6 +263,7 @@ static int tcs3472_probe(struct i2c_client *client,
data = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);
data->client = client;
+ mutex_init(&data->lock);
indio_dev->dev.parent = &client->dev;
indio_dev->info = &tcs3472_info;
diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c
index 5e5d9dea22c..94daa9fc124 100644
--- a/drivers/iio/light/tsl2563.c
+++ b/drivers/iio/light/tsl2563.c
@@ -460,10 +460,14 @@ static int tsl2563_write_raw(struct iio_dev *indio_dev,
{
struct tsl2563_chip *chip = iio_priv(indio_dev);
- if (chan->channel == IIO_MOD_LIGHT_BOTH)
+ if (mask != IIO_CHAN_INFO_CALIBSCALE)
+ return -EINVAL;
+ if (chan->channel2 == IIO_MOD_LIGHT_BOTH)
chip->calib0 = calib_from_sysfs(val);
- else
+ else if (chan->channel2 == IIO_MOD_LIGHT_IR)
chip->calib1 = calib_from_sysfs(val);
+ else
+ return -EINVAL;
return 0;
}
@@ -472,14 +476,14 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val,
int *val2,
- long m)
+ long mask)
{
int ret = -EINVAL;
u32 calib0, calib1;
struct tsl2563_chip *chip = iio_priv(indio_dev);
mutex_lock(&chip->lock);
- switch (m) {
+ switch (mask) {
case IIO_CHAN_INFO_RAW:
case IIO_CHAN_INFO_PROCESSED:
switch (chan->type) {
@@ -498,7 +502,7 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev,
ret = tsl2563_get_adc(chip);
if (ret)
goto error_ret;
- if (chan->channel == 0)
+ if (chan->channel2 == IIO_MOD_LIGHT_BOTH)
*val = chip->data0;
else
*val = chip->data1;
@@ -510,7 +514,7 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev,
break;
case IIO_CHAN_INFO_CALIBSCALE:
- if (chan->channel == 0)
+ if (chan->channel2 == IIO_MOD_LIGHT_BOTH)
*val = calib_to_sysfs(chip->calib0);
else
*val = calib_to_sysfs(chip->calib1);
@@ -702,10 +706,10 @@ static const struct iio_info tsl2563_info = {
.driver_module = THIS_MODULE,
.read_raw = &tsl2563_read_raw,
.write_raw = &tsl2563_write_raw,
- .read_event_value_new = &tsl2563_read_thresh,
- .write_event_value_new = &tsl2563_write_thresh,
- .read_event_config_new = &tsl2563_read_interrupt_config,
- .write_event_config_new = &tsl2563_write_interrupt_config,
+ .read_event_value = &tsl2563_read_thresh,
+ .write_event_value = &tsl2563_write_thresh,
+ .read_event_config = &tsl2563_read_interrupt_config,
+ .write_event_config = &tsl2563_write_interrupt_config,
};
static int tsl2563_probe(struct i2c_client *client,
@@ -714,6 +718,7 @@ static int tsl2563_probe(struct i2c_client *client,
struct iio_dev *indio_dev;
struct tsl2563_chip *chip;
struct tsl2563_platform_data *pdata = client->dev.platform_data;
+ struct device_node *np = client->dev.of_node;
int err = 0;
u8 id = 0;
@@ -750,6 +755,9 @@ static int tsl2563_probe(struct i2c_client *client,
if (pdata)
chip->cover_comp_gain = pdata->cover_comp_gain;
+ else if (np)
+ of_property_read_u32(np, "amstaos,cover-comp-gain",
+ &chip->cover_comp_gain);
else
chip->cover_comp_gain = 1;
diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c
index ecb3341ef9c..d948c4778ba 100644
--- a/drivers/iio/light/vcnl4000.c
+++ b/drivers/iio/light/vcnl4000.c
@@ -56,7 +56,7 @@ static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask,
u8 rdy_mask, u8 data_reg, int *val)
{
int tries = 20;
- u16 buf;
+ __be16 buf;
int ret;
ret = i2c_smbus_write_byte_data(data->client, VCNL4000_COMMAND,
@@ -179,13 +179,7 @@ static int vcnl4000_probe(struct i2c_client *client,
indio_dev->name = VCNL4000_DRV_NAME;
indio_dev->modes = INDIO_DIRECT_MODE;
- return iio_device_register(indio_dev);
-}
-
-static int vcnl4000_remove(struct i2c_client *client)
-{
- iio_device_unregister(i2c_get_clientdata(client));
- return 0;
+ return devm_iio_device_register(&client->dev, indio_dev);
}
static struct i2c_driver vcnl4000_driver = {
@@ -194,7 +188,6 @@ static struct i2c_driver vcnl4000_driver = {
.owner = THIS_MODULE,
},
.probe = vcnl4000_probe,
- .remove = vcnl4000_remove,
.id_table = vcnl4000_id,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 08:11:56 +0000