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path: root/drivers/iio/accel/bma180.c
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Diffstat (limited to 'drivers/iio/accel/bma180.c')
-rw-r--r--drivers/iio/accel/bma180.c42
1 files changed, 23 insertions, 19 deletions
diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
index 81e3dc26099..a077cc86421 100644
--- a/drivers/iio/accel/bma180.c
+++ b/drivers/iio/accel/bma180.c
@@ -68,13 +68,13 @@
/* Defaults values */
#define BMA180_DEF_PMODE 0
#define BMA180_DEF_BW 20
-#define BMA180_DEF_SCALE 250
+#define BMA180_DEF_SCALE 2452
/* Available values for sysfs */
#define BMA180_FLP_FREQ_AVAILABLE \
"10 20 40 75 150 300"
#define BMA180_SCALE_AVAILABLE \
- "0.000130 0.000190 0.000250 0.000380 0.000500 0.000990 0.001980"
+ "0.001275 0.001863 0.002452 0.003727 0.004903 0.009709 0.019417"
struct bma180_data {
struct i2c_client *client;
@@ -94,7 +94,7 @@ enum bma180_axis {
};
static int bw_table[] = { 10, 20, 40, 75, 150, 300 }; /* Hz */
-static int scale_table[] = { 130, 190, 250, 380, 500, 990, 1980 };
+static int scale_table[] = { 1275, 1863, 2452, 3727, 4903, 9709, 19417 };
static int bma180_get_acc_reg(struct bma180_data *data, enum bma180_axis axis)
{
@@ -376,6 +376,8 @@ static int bma180_write_raw(struct iio_dev *indio_dev,
mutex_unlock(&data->mutex);
return ret;
case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY:
+ if (val2)
+ return -EINVAL;
mutex_lock(&data->mutex);
ret = bma180_set_bw(data, val);
mutex_unlock(&data->mutex);
@@ -447,23 +449,28 @@ static const struct iio_chan_spec_ext_info bma180_ext_info[] = {
{ },
};
-#define BMA180_CHANNEL(_index) { \
+#define BMA180_CHANNEL(_axis) { \
.type = IIO_ACCEL, \
- .indexed = 1, \
- .channel = (_index), \
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ .modified = 1, \
+ .channel2 = IIO_MOD_##_axis, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \
BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \
- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
- .scan_index = (_index), \
- .scan_type = IIO_ST('s', 14, 16, 2), \
+ .scan_index = AXIS_##_axis, \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = 14, \
+ .storagebits = 16, \
+ .shift = 2, \
+ }, \
.ext_info = bma180_ext_info, \
}
static const struct iio_chan_spec bma180_channels[] = {
- BMA180_CHANNEL(AXIS_X),
- BMA180_CHANNEL(AXIS_Y),
- BMA180_CHANNEL(AXIS_Z),
- IIO_CHAN_SOFT_TIMESTAMP(4),
+ BMA180_CHANNEL(X),
+ BMA180_CHANNEL(Y),
+ BMA180_CHANNEL(Z),
+ IIO_CHAN_SOFT_TIMESTAMP(3),
};
static irqreturn_t bma180_trigger_handler(int irq, void *p)
@@ -471,13 +478,10 @@ static irqreturn_t bma180_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct bma180_data *data = iio_priv(indio_dev);
+ int64_t time_ns = iio_get_time_ns();
int bit, ret, i = 0;
mutex_lock(&data->mutex);
- if (indio_dev->scan_timestamp) {
- ret = indio_dev->scan_bytes / sizeof(s64) - 1;
- ((s64 *)data->buff)[ret] = iio_get_time_ns();
- }
for_each_set_bit(bit, indio_dev->buffer->scan_mask,
indio_dev->masklength) {
@@ -490,7 +494,7 @@ static irqreturn_t bma180_trigger_handler(int irq, void *p)
}
mutex_unlock(&data->mutex);
- iio_push_to_buffers(indio_dev, (u8 *)data->buff);
+ iio_push_to_buffers_with_timestamp(indio_dev, data->buff, time_ns);
err:
iio_trigger_notify_done(indio_dev->trig);