Re: [PATCH v3 2/3] iio: light: lm3533-als: Print error message on invalid resistance

From: Jonathan Cameron
Date: Sat Oct 31 2015 - 06:06:54 EST


On 30/10/15 23:50, Bjorn Andersson wrote:
> Print an error message to indicate that invalid configuration data was
> provided in the platform_data, rather than just aborting initialization.
>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx>
Seems sensible to me.

Applied to the togreg branch of iio.git - initially pushed out as testing
for the autobuilders to play with it.

Thanks,

Jonathan
> ---
>
> This patch can be picked independently of the other 2, but included in the
> series for "completeness".
>
> No changes since v1 in this patch.
>
> drivers/iio/light/lm3533-als.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
> index 076bc46fad03..e56937c40a18 100644
> --- a/drivers/iio/light/lm3533-als.c
> +++ b/drivers/iio/light/lm3533-als.c
> @@ -743,8 +743,10 @@ static int lm3533_als_set_resistor(struct lm3533_als *als, u8 val)
> {
> int ret;
>
> - if (val < LM3533_ALS_RESISTOR_MIN || val > LM3533_ALS_RESISTOR_MAX)
> + if (val < LM3533_ALS_RESISTOR_MIN || val > LM3533_ALS_RESISTOR_MAX) {
> + dev_err(&als->pdev->dev, "invalid resistor value\n");
> return -EINVAL;
> + };
>
> ret = lm3533_write(als->lm3533, LM3533_REG_ALS_RESISTOR_SELECT, val);
> if (ret) {
>

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