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
>
next prev parent 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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