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From: broonie@opensource.wolfsonmicro.com (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ASoc: sam9g20_wm8731: use the proper SYSCKL value
Date: Wed, 25 May 2011 19:15:46 +0800	[thread overview]
Message-ID: <20110525111545.GD10797@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1306230676-28688-1-git-send-email-nicolas.ferre@atmel.com>

On Tue, May 24, 2011 at 11:51:16AM +0200, Nicolas Ferre wrote:
> at91sam9g20 is providing master clock to wm8731: not using a crystal but an
> external MCLK. We can avoid conflict and save power using WM8731_SYSCLK_MCLK as
> we do not need oscillator to be powered.
> 
> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Adding Liam.

> ---
>  sound/soc/atmel/sam9g20_wm8731.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
> index 28afbbf..95572d2 100644
> --- a/sound/soc/atmel/sam9g20_wm8731.c
> +++ b/sound/soc/atmel/sam9g20_wm8731.c
> @@ -146,7 +146,7 @@ static int at91sam9g20ek_wm8731_init(struct snd_soc_pcm_runtime *rtd)
>  			"at91sam9g20ek_wm8731 "
>  			": at91sam9g20ek_wm8731_init() called\n");
>  
> -	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
> +	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_MCLK,
>  		MCLK_RATE, SND_SOC_CLOCK_IN);
>  	if (ret < 0) {
>  		printk(KERN_ERR "Failed to set WM8731 SYSCLK: %d\n", ret);
> -- 
> 1.7.3
> 

  reply	other threads:[~2011-05-25 11:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-24  9:51 [PATCH] ASoc: sam9g20_wm8731: use the proper SYSCKL value Nicolas Ferre
2011-05-25 11:15 ` Mark Brown [this message]
2011-05-25 12:21   ` Liam Girdwood
2011-05-25 15:01 ` Mark Brown

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