iio: light: ltr501: return proper error code from ltr501_get_gain_index()

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Return -EINVAL instead of -1 when no matching gain value is found
in the gain table. Update the callers to propagate this error directly
rather than overwriting it with -EINVAL.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Waqar Hameed <waqar.hameed@axis.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Antoniu Miclaus 2026-02-02 14:07:12 +02:00 • committed by Jonathan Cameron

parent 18a1ae3e73

commit 1ff6d25d69

1 changed files with 3 additions and 3 deletions

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drivers/iio/light/ltr501.c

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