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iio: light: opt4001: Reject integration times with a non-zero seconds part

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opt4001_write_raw() only looks at val2 when setting the integration
time, so a write such as 1.000600 is silently accepted as 600 us.
Return -EINVAL if val is non-zero.

Fixes: 9a96084182 ("iio: light: Add support for TI OPT4001 light sensor")
Signed-off-by: Nikhil Gautam <nikhilgtr@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
This commit is contained in:
Nikhil Gautam 2026-07-14 17:01:33 +05:30 committed by Jonathan Cameron
parent afa28741c9
commit d0f21621f8
1 changed files with 3 additions and 0 deletions
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3
drivers/iio/light/opt4001.c
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@ -269,6 +269,9 @@ static int opt4001_write_raw(struct iio_dev *indio_dev,
switch (mask) {
case IIO_CHAN_INFO_INT_TIME:
if (val)
return -EINVAL;
int_time = opt4001_als_time_to_index(val2);
if (int_time < 0)
return int_time;