* [PATCH] iio: accel: adxl380: fix raw sample read
@ 2024-11-01 9:52 Antoniu Miclaus
2024-11-01 15:24 ` Jonathan Cameron
0 siblings, 1 reply; 2+ messages in thread
From: Antoniu Miclaus @ 2024-11-01 9:52 UTC (permalink / raw)
To: Lars-Peter Clausen, Michael Hennerich, Ramona Gradinariu,
Antoniu Miclaus, Jonathan Cameron, linux-iio, linux-kernel
The adxl380_read_chn function returns either a negative value in case an
error occurs or the actual sample.
Check only for negative values after a channel is read.
Fixes: df36de13677a ("iio: accel: add ADXL380 driver")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
---
drivers/iio/accel/adxl380.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/adxl380.c b/drivers/iio/accel/adxl380.c
index f80527d899be..b19ee37df7f1 100644
--- a/drivers/iio/accel/adxl380.c
+++ b/drivers/iio/accel/adxl380.c
@@ -1181,7 +1181,7 @@ static int adxl380_read_raw(struct iio_dev *indio_dev,
ret = adxl380_read_chn(st, chan->address);
iio_device_release_direct_mode(indio_dev);
- if (ret)
+ if (ret < 0)
return ret;
*val = sign_extend32(ret >> chan->scan_type.shift,
--
2.47.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] iio: accel: adxl380: fix raw sample read
2024-11-01 9:52 [PATCH] iio: accel: adxl380: fix raw sample read Antoniu Miclaus
@ 2024-11-01 15:24 ` Jonathan Cameron
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Cameron @ 2024-11-01 15:24 UTC (permalink / raw)
To: Antoniu Miclaus
Cc: Lars-Peter Clausen, Michael Hennerich, Ramona Gradinariu,
linux-iio, linux-kernel
On Fri, 1 Nov 2024 11:52:01 +0200
Antoniu Miclaus <antoniu.miclaus@analog.com> wrote:
> The adxl380_read_chn function returns either a negative value in case an
> error occurs or the actual sample.
>
> Check only for negative values after a channel is read.
>
> Fixes: df36de13677a ("iio: accel: add ADXL380 driver")
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
ouch. Applied to the fixes-togreg branch of iio.git.
Thanks,
Jonathan
> ---
> drivers/iio/accel/adxl380.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/accel/adxl380.c b/drivers/iio/accel/adxl380.c
> index f80527d899be..b19ee37df7f1 100644
> --- a/drivers/iio/accel/adxl380.c
> +++ b/drivers/iio/accel/adxl380.c
> @@ -1181,7 +1181,7 @@ static int adxl380_read_raw(struct iio_dev *indio_dev,
>
> ret = adxl380_read_chn(st, chan->address);
> iio_device_release_direct_mode(indio_dev);
> - if (ret)
> + if (ret < 0)
> return ret;
>
> *val = sign_extend32(ret >> chan->scan_type.shift,
^ permalink raw reply [flat|nested] 2+ messages in thread
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