[alsa-devel] [PATCH] ASoC: simple-card: Add mic and hp detect gpios.

[Mark Brown]

On Tue, Oct 07, 2014 at 02:32:57PM +0200, Geert Uytterhoeven wrote:

> Hence on r8a7740/armadillo-legacy, which uses platform devices instead of DT:

>     sh-mobile-hdmi sh-mobile-hdmi: SH Mobile HDMI Audio Codec
>     sh-mobile-hdmi sh-mobile-hdmi: ASoC: DAPM unknown pin Headphones
>     sh-mobile-hdmi sh-mobile-hdmi: ASoC: DAPM unknown pin Mic Jack

> After that the kernel log is spammed ca. 7 times per second with:

>     sh-mobile-hdmi sh-mobile-hdmi: ASoC: DAPM unknown pin Headphones

> Reverting commit 3fe240326cc395c66 ("ASoC: simple-card: Add mic and
> hp detect gpios.") fixes this.

The fix here is to not allow 0 as a GPIO in the core code (which
should've been there already).
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