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| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2017-08-02 16:17:47 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-08-02 17:39:31 +0300 |
| commit | 334822a3b21f5b622ae1954915003d636186e7b0 (patch) | |
| tree | 42d1ab297f2420ec49ea7cbbd33c77e47df56225 /sound/soc/qcom/apq8016_sbc.c | |
| parent | 820f7541f952afa8db08ccd420f29a2c6c148709 (diff) | |
| download | linux-334822a3b21f5b622ae1954915003d636186e7b0.tar.xz | |
ASoC: qcom: apq8016-sbc: set default mclk rate
MCLK for internal audio codec is expected to be at 9.6MHz by default.
This patch adds support to 9.6MHz to make the default case possible.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/qcom/apq8016_sbc.c')
| -rw-r--r-- | sound/soc/qcom/apq8016_sbc.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c index d084d7468299..f07aa1e1cdfe 100644 --- a/sound/soc/qcom/apq8016_sbc.c +++ b/sound/soc/qcom/apq8016_sbc.c @@ -34,13 +34,16 @@ struct apq8016_sbc_data { #define MIC_CTRL_QUA_WS_SLAVE_SEL_10 BIT(17) #define MIC_CTRL_TLMM_SCLK_EN BIT(1) #define SPKR_CTL_PRI_WS_SLAVE_SEL_11 (BIT(17) | BIT(16)) +#define DEFAULT_MCLK_RATE 9600000 static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_codec *codec; + struct snd_soc_dai_link *dai_link = rtd->dai_link; struct snd_soc_card *card = rtd->card; struct apq8016_sbc_data *pdata = snd_soc_card_get_drvdata(card); - int rval = 0; + int i, rval; switch (cpu_dai->id) { case MI2S_PRIMARY: @@ -63,12 +66,24 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd) default: dev_err(card->dev, "unsupported cpu dai configuration\n"); - rval = -EINVAL; - break; + return -EINVAL; + + } + for (i = 0 ; i < dai_link->num_codecs; i++) { + struct snd_soc_dai *dai = rtd->codec_dais[i]; + + codec = dai->codec; + /* Set default mclk for internal codec */ + rval = snd_soc_codec_set_sysclk(codec, 0, 0, DEFAULT_MCLK_RATE, + SND_SOC_CLOCK_IN); + if (rval != 0 && rval != -ENOTSUPP) { + dev_warn(card->dev, "Failed to set mclk: %d\n", rval); + return rval; + } } - return rval; + return 0; } static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card) |