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

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Date:	Sat, 31 Oct 2015 10:06:11 +0000
From:	Jonathan Cameron <jic23@...nel.org>
To:	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Johan Hovold <jhovold@...il.com>,
	Peter Meerwald <pmeerw@...erw.net>
Cc:	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 2/3] iio: light: lm3533-als: Print error message on
 invalid resistance

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@...ymobile.com>
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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