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[PATCH 1/3] ASoC: codecs: msm8916-wcd-digital: add support to set_sysclk

From srinivas.kandagatla@linaro.org
Newsgroups linux.kernel
Subject [PATCH 1/3] ASoC: codecs: msm8916-wcd-digital: add support to set_sysclk
Date 2017-07-17 16:00 +0200
Message-ID <u4eJ5-5NI-23@gated-at.bofh.it> (permalink)
References <u4eJ4-5NI-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

This patch adds support to set_sysclk() which can let the sound
card driver to set default mclk rate. In this case MCLK for
internal audio codec is expected to be at 9.6MHz by default.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 sound/soc/codecs/msm8916-wcd-digital.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c
index f690442af8c9..126a0ee8aded 100644
--- a/sound/soc/codecs/msm8916-wcd-digital.c
+++ b/sound/soc/codecs/msm8916-wcd-digital.c
@@ -568,6 +568,16 @@ static int msm8916_wcd_digital_codec_probe(struct snd_soc_codec *codec)
 	return 0;
 }
 
+static int msm8916_set_dai_sysclk(struct snd_soc_dai *dai,
+				 int clk_id, unsigned int freq, int dir)
+{
+	struct msm8916_wcd_digital_priv *p = dev_get_drvdata(dai->codec->dev);
+
+	clk_set_rate(p->mclk, freq);
+
+	return 0;
+}
+
 static int msm8916_wcd_digital_hw_params(struct snd_pcm_substream *substream,
 					 struct snd_pcm_hw_params *params,
 					 struct snd_soc_dai *dai)
@@ -792,6 +802,7 @@ static struct snd_soc_dai_ops msm8916_wcd_digital_dai_ops = {
 	.startup = msm8916_wcd_digital_startup,
 	.shutdown = msm8916_wcd_digital_shutdown,
 	.hw_params = msm8916_wcd_digital_hw_params,
+	.set_sysclk = msm8916_set_dai_sysclk,
 };
 
 static struct snd_soc_dai_driver msm8916_wcd_digital_dai[] = {
-- 
2.11.0

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[PATCH 0/3] ASoC: codecs: msm8916-wcd-digital: Fix dmic support srinivas.kandagatla@linaro.org - 2017-07-17 16:00 +0200
  [PATCH 3/3] ASoC: codecs: msm8916-wcd-digital: fix dmic support srinivas.kandagatla@linaro.org - 2017-07-17 16:00 +0200
    Re: [PATCH 3/3] ASoC: codecs: msm8916-wcd-digital: fix dmic support Mark Brown <broonie@kernel.org> - 2017-07-17 16:50 +0200
      Re: [PATCH 3/3] ASoC: codecs: msm8916-wcd-digital: fix dmic support Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-07-17 17:00 +0200
  [PATCH 1/3] ASoC: codecs: msm8916-wcd-digital: add support to set_sysclk srinivas.kandagatla@linaro.org - 2017-07-17 16:00 +0200
    Re: [PATCH 1/3] ASoC: codecs: msm8916-wcd-digital: add support to  set_sysclk Mark Brown <broonie@kernel.org> - 2017-07-17 16:50 +0200
      Re: [PATCH 1/3] ASoC: codecs: msm8916-wcd-digital: add support to  set_sysclk Srinivas Kandagatla <srinivas.kandagatla@linaro.org> - 2017-07-17 17:00 +0200

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