aboutsummaryrefslogtreecommitdiff
path: root/drivers/iio/adc/ad7298.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/adc/ad7298.c')
-rw-r--r--drivers/iio/adc/ad7298.c44
1 files changed, 15 insertions, 29 deletions
diff --git a/drivers/iio/adc/ad7298.c b/drivers/iio/adc/ad7298.c
index b34d754994d..2a3b65c74af 100644
--- a/drivers/iio/adc/ad7298.c
+++ b/drivers/iio/adc/ad7298.c
@@ -63,8 +63,8 @@ struct ad7298_state {
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = index, \
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | \
- IIO_CHAN_INFO_SCALE_SHARED_BIT, \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.address = index, \
.scan_index = index, \
.scan_type = { \
@@ -80,9 +80,9 @@ static const struct iio_chan_spec ad7298_channels[] = {
.type = IIO_TEMP,
.indexed = 1,
.channel = 0,
- .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |
- IIO_CHAN_INFO_SCALE_SEPARATE_BIT |
- IIO_CHAN_INFO_OFFSET_SEPARATE_BIT,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_OFFSET),
.address = AD7298_CH_TEMP,
.scan_index = -1,
.scan_type = {
@@ -159,20 +159,14 @@ static irqreturn_t ad7298_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct ad7298_state *st = iio_priv(indio_dev);
- s64 time_ns = 0;
int b_sent;
b_sent = spi_sync(st->spi, &st->ring_msg);
if (b_sent)
goto done;
- if (indio_dev->scan_timestamp) {
- time_ns = iio_get_time_ns();
- memcpy((u8 *)st->rx_buf + indio_dev->scan_bytes - sizeof(s64),
- &time_ns, sizeof(time_ns));
- }
-
- iio_push_to_buffers(indio_dev, (u8 *)st->rx_buf);
+ iio_push_to_buffers_with_timestamp(indio_dev, st->rx_buf,
+ iio_get_time_ns());
done:
iio_trigger_notify_done(indio_dev->trig);
@@ -296,9 +290,10 @@ static int ad7298_probe(struct spi_device *spi)
{
struct ad7298_platform_data *pdata = spi->dev.platform_data;
struct ad7298_state *st;
- struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st));
+ struct iio_dev *indio_dev;
int ret;
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
@@ -308,14 +303,13 @@ static int ad7298_probe(struct spi_device *spi)
st->ext_ref = AD7298_EXTREF;
if (st->ext_ref) {
- st->reg = regulator_get(&spi->dev, "vref");
- if (IS_ERR(st->reg)) {
- ret = PTR_ERR(st->reg);
- goto error_free;
- }
+ st->reg = devm_regulator_get(&spi->dev, "vref");
+ if (IS_ERR(st->reg))
+ return PTR_ERR(st->reg);
+
ret = regulator_enable(st->reg);
if (ret)
- goto error_put_reg;
+ return ret;
}
spi_set_drvdata(spi, indio_dev);
@@ -361,11 +355,6 @@ error_cleanup_ring:
error_disable_reg:
if (st->ext_ref)
regulator_disable(st->reg);
-error_put_reg:
- if (st->ext_ref)
- regulator_put(st->reg);
-error_free:
- iio_device_free(indio_dev);
return ret;
}
@@ -377,11 +366,8 @@ static int ad7298_remove(struct spi_device *spi)
iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
- if (st->ext_ref) {
+ if (st->ext_ref)
regulator_disable(st->reg);
- regulator_put(st->reg);
- }
- iio_device_free(indio_dev);
return 0;
}