From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: [PATCH] ASoC: Support a wider range of sample rates on Speyside WM8962 Date: Fri, 23 Sep 2011 16:05:26 +0100 Message-ID: <1316790326-25715-1-git-send-email-broonie@opensource.wolfsonmicro.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource2.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 4443C103813 for ; Fri, 23 Sep 2011 17:05:30 +0200 (CEST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Liam Girdwood Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, Mark Brown List-Id: alsa-devel@alsa-project.org As we've only got one audio interface and it is symmetric we can just set SYSCLK based on the sample rate requested by the application layer. Provide a default so bypass paths work before audio playback. Signed-off-by: Mark Brown --- sound/soc/samsung/speyside_wm8962.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/soc/samsung/speyside_wm8962.c b/sound/soc/samsung/speyside_wm8962.c index 3820a6b..98b28ea 100644 --- a/sound/soc/samsung/speyside_wm8962.c +++ b/sound/soc/samsung/speyside_wm8962.c @@ -16,6 +16,8 @@ #include "../codecs/wm8962.h" +static int sample_rate = 44100; + static int speyside_wm8962_set_bias_level(struct snd_soc_card *card, struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) @@ -31,13 +33,13 @@ static int speyside_wm8962_set_bias_level(struct snd_soc_card *card, if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL, WM8962_FLL_MCLK, 32768, - 44100 * 512); + sample_rate * 512); if (ret < 0) pr_err("Failed to start FLL: %d\n", ret); ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_FLL, - 44100 * 512, + sample_rate * 512, SND_SOC_CLOCK_IN); if (ret < 0) { pr_err("Failed to set SYSCLK: %d\n", ret); @@ -109,6 +111,8 @@ static int speyside_wm8962_hw_params(struct snd_pcm_substream *substream, if (ret < 0) return ret; + sample_rate = params_rate(params); + return 0; } -- 1.7.6.3