Re: [PATCH 06/10] backlight: qcom-wled: Remove unnecessary 4th default string in wled3

[Daniel Thompson]

On Mon, Oct 04, 2021 at 09:27:37PM +0200, Marijn Suijten wrote:
> The previous commit improves num_strings parsing to not go over the
> maximum of 3 strings for wled3 anymore.  Likewise this default index for
> a hypothetical 4th string is invalid and could access registers that are
> not mapped to the desired purpose.
> Removing this value gets rid of undesired confusion and avoids the
> possibility of accessing registers at this offset even if the 4th array
> element is used by accident.
> 
> Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>

Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>


> ---
>  drivers/video/backlight/qcom-wled.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c
> index 66ce77ee3099..9ec1bdd374d2 100644
> --- a/drivers/video/backlight/qcom-wled.c
> +++ b/drivers/video/backlight/qcom-wled.c
> @@ -946,7 +946,7 @@ static const struct wled_config wled3_config_defaults = {
>  	.cs_out_en = false,
>  	.ext_gen = false,
>  	.cabc = false,
> -	.enabled_strings = {0, 1, 2, 3},
> +	.enabled_strings = {0, 1, 2},
>  };
>  
>  static int wled4_setup(struct wled *wled)
> -- 
> 2.33.0
>