linux-kernel - Re: [PATCH] ASoc: wm8731: fix wm8731_check

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Message-ID: <20110525111529.GC10797@opensource.wolfsonmicro.com>
Date:	Wed, 25 May 2011 19:15:30 +0800
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	linux-arm-kernel@...ts.infradead.org, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, lrg@...com
Subject: Re: [PATCH] ASoc: wm8731: fix wm8731_check_osc() connected condition

On Tue, May 24, 2011 at 11:50:57AM +0200, Nicolas Ferre wrote:
> The crystal oscillator is only enabled if the WM8731_SYSCLK_XTAL master clock
> is specified. Fix the connected() struct snd_soc_dapm_route function to take
> this into account. Oscillator is not enabled on machine that need it otherwise.
> 
> Machine drivers have to make sure that they use the proper SYSCLK value.
> 
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>

Adding Liam - Nicolas, please remember to CC all maintainers on patches.

> ---
>  sound/soc/codecs/wm8731.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
> index 6dec7ce..2dc964b 100644
> --- a/sound/soc/codecs/wm8731.c
> +++ b/sound/soc/codecs/wm8731.c
> @@ -198,7 +198,7 @@ static int wm8731_check_osc(struct snd_soc_dapm_widget *source,
>  {
>  	struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(source->codec);
>  
> -	return wm8731->sysclk_type == WM8731_SYSCLK_MCLK;
> +	return wm8731->sysclk_type == WM8731_SYSCLK_XTAL;
>  }
>  
>  static const struct snd_soc_dapm_route wm8731_intercon[] = {
> -- 
> 1.7.3
> 
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