Re: [PATCH 08/12] iio: light: rohm-bu27034: Fix error return

[Jonathan Cameron <jic23@kernel.org>]

On Mon, 10 Aug 2026 10:53:35 +0300
Matti Vaittinen <matti.vaittinen@linux.dev> wrote:

> From: Matti Vaittinen <mazziesaccount@gmail.com>
> 
> When BU27034 fails to read gain value at integration-time setting, it
> returns 0. This leaves caller unaware of the fact that setting the
> integration time failed.
> 
> Fix this by returning the relevant error instead of zero.
> 
> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
> Fixes: 439c2cef8157 ("iio: bu27034: simplify using guard(mutex)")
Applied.

Note I skipped 7 until that discussion comes to a conclusion.

Thanks,

Jonathan

> ---
>  drivers/iio/light/rohm-bu27034.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/light/rohm-bu27034.c b/drivers/iio/light/rohm-bu27034.c
> index 28d111ac8c0a..f9a421618406 100644
> --- a/drivers/iio/light/rohm-bu27034.c
> +++ b/drivers/iio/light/rohm-bu27034.c
> @@ -415,7 +415,7 @@ static int bu27034_try_set_int_time(struct bu27034_data *data, int time_us)
>  	for (i = 0; i < numg; i++) {
>  		ret = bu27034_get_gain(data, gains[i].chan, &gains[i].old_gain);
>  		if (ret)
> -			return 0;
> +			return ret;
>  
>  		ret = iio_gts_find_new_gain_by_old_gain_time(&data->gts,
>  							     gains[i].old_gain,