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authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2017-08-02 15:17:47 +0200
committerMark Brown <broonie@kernel.org>2017-08-02 15:39:31 +0100
commit334822a3b21f5b622ae1954915003d636186e7b0 (patch)
tree42d1ab297f2420ec49ea7cbbd33c77e47df56225 /sound/soc/qcom
parent820f7541f952afa8db08ccd420f29a2c6c148709 (diff)
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')
-rw-r--r--sound/soc/qcom/apq8016_sbc.c23
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)