aboutsummaryrefslogtreecommitdiff
path: root/drivers/iio/adc/ad7923.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/adc/ad7923.c')
-rw-r--r--drivers/iio/adc/ad7923.c30
1 files changed, 9 insertions, 21 deletions
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
index 97fa0d3dc4a..28732c28e81 100644
--- a/drivers/iio/adc/ad7923.c
+++ b/drivers/iio/adc/ad7923.c
@@ -174,20 +174,14 @@ static irqreturn_t ad7923_trigger_handler(int irq, void *p)
struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct ad7923_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);
@@ -275,10 +269,11 @@ static const struct iio_info ad7923_info = {
static int ad7923_probe(struct spi_device *spi)
{
struct ad7923_state *st;
- struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st));
+ struct iio_dev *indio_dev;
const struct ad7923_chip_info *info;
int ret;
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
@@ -311,14 +306,13 @@ static int ad7923_probe(struct spi_device *spi)
spi_message_add_tail(&st->scan_single_xfer[0], &st->scan_single_msg);
spi_message_add_tail(&st->scan_single_xfer[1], &st->scan_single_msg);
- st->reg = regulator_get(&spi->dev, "refin");
- if (IS_ERR(st->reg)) {
- ret = PTR_ERR(st->reg);
- goto error_free;
- }
+ st->reg = devm_regulator_get(&spi->dev, "refin");
+ if (IS_ERR(st->reg))
+ return PTR_ERR(st->reg);
+
ret = regulator_enable(st->reg);
if (ret)
- goto error_put_reg;
+ return ret;
ret = iio_triggered_buffer_setup(indio_dev, NULL,
&ad7923_trigger_handler, NULL);
@@ -335,10 +329,6 @@ error_cleanup_ring:
iio_triggered_buffer_cleanup(indio_dev);
error_disable_reg:
regulator_disable(st->reg);
-error_put_reg:
- regulator_put(st->reg);
-error_free:
- iio_device_free(indio_dev);
return ret;
}
@@ -351,8 +341,6 @@ static int ad7923_remove(struct spi_device *spi)
iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
regulator_disable(st->reg);
- regulator_put(st->reg);
- iio_device_free(indio_dev);
return 0;
}