From: Srinivas Kandagatla <[email protected]> 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 <[email protected]> --- 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
