Re: [PATCH -next] ASoC: wm8974: remove unused variables

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On Tue, Mar 24, 2020 at 03:06:15PM +0800, YueHaibing wrote:
> sound/soc/codecs/wm8974.c:200:38: warning:
>  wm8974_aux_boost_controls defined but not used [-Wunused-const-variable=]
> sound/soc/codecs/wm8974.c:204:38: warning:
>  wm8974_mic_boost_controls defined but not used [-Wunused-const-variable=]
> 
> commit 8a123ee2a46d ("ASoC: WM8974 DAPM cleanups")
> left behind this, remove them.
> 
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
>  sound/soc/codecs/wm8974.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c
> index dc4fe4f5239d..06ba36595ddd 100644
> --- a/sound/soc/codecs/wm8974.c
> +++ b/sound/soc/codecs/wm8974.c
> @@ -196,14 +196,6 @@ SOC_DAPM_SINGLE("MicN Switch", WM8974_INPUT, 1, 1, 0),
>  SOC_DAPM_SINGLE("MicP Switch", WM8974_INPUT, 0, 1, 0),
>  };
>  
> -/* AUX Input boost vol */
> -static const struct snd_kcontrol_new wm8974_aux_boost_controls =
> -SOC_DAPM_SINGLE("Aux Volume", WM8974_ADCBOOST, 0, 7, 0);
> -
> -/* Mic Input boost vol */
> -static const struct snd_kcontrol_new wm8974_mic_boost_controls =
> -SOC_DAPM_SINGLE("Mic Volume", WM8974_ADCBOOST, 4, 7, 0);
> -

I am not sure this is quite the right fix both of these are valid
controls on the CODEC, and looks a bit like they shouldn't have
been orphaned in the original patch.

But given they clearly haven't been used by anyone in ten years
and unless Mark has any objections:

Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>

Thanks,
Charles



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