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authorLars-Peter Clausen <lars@metafoo.de>2012-04-25 11:34:54 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-25 11:19:31 +0100
commitd9ca8e76f3cdbd86032808aa1af237b8a3d99eac (patch)
treec2f97c53247c930d0d72e2d072dec8e59bc906ce /sound/soc/blackfin
parente05854ddaa012f3369884acf61ec9953285404b4 (diff)
downloadblackbird-op-linux-d9ca8e76f3cdbd86032808aa1af237b8a3d99eac.tar.gz
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ASoC: bf5xx-ssm2602: Setup sysclock in init callback
The sysclock is fixed, so just set it up once in the init callback instead of setting it repeatably in the hw_params callback. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/blackfin')
-rw-r--r--sound/soc/blackfin/bf5xx-ssm2602.c37
1 files changed, 4 insertions, 33 deletions
diff --git a/sound/soc/blackfin/bf5xx-ssm2602.c b/sound/soc/blackfin/bf5xx-ssm2602.c
index df3ac73f8778..911edbab1345 100644
--- a/sound/soc/blackfin/bf5xx-ssm2602.c
+++ b/sound/soc/blackfin/bf5xx-ssm2602.c
@@ -44,16 +44,8 @@
static struct snd_soc_card bf5xx_ssm2602;
-static int bf5xx_ssm2602_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+static int bf5xx_ssm2602_dai_init(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- unsigned int clk = 0;
- int ret = 0;
-
- pr_debug("%s rate %d format %x\n", __func__, params_rate(params),
- params_format(params));
/*
* If you are using a crystal source which frequency is not 12MHz
* then modify the below case statement with frequency of the crystal.
@@ -61,31 +53,10 @@ static int bf5xx_ssm2602_hw_params(struct snd_pcm_substream *substream,
* If you are using the SPORT to generate clocking then this is
* where to do it.
*/
-
- switch (params_rate(params)) {
- case 8000:
- case 16000:
- case 48000:
- case 96000:
- case 11025:
- case 22050:
- case 44100:
- clk = 12000000;
- break;
- }
-
- ret = snd_soc_dai_set_sysclk(codec_dai, SSM2602_SYSCLK, clk,
+ return snd_soc_dai_set_sysclk(rtd->codec_dai, SSM2602_SYSCLK, 12000000,
SND_SOC_CLOCK_IN);
- if (ret < 0)
- return ret;
-
- return 0;
}
-static struct snd_soc_ops bf5xx_ssm2602_ops = {
- .hw_params = bf5xx_ssm2602_hw_params,
-};
-
/* CODEC is master for BCLK and LRC in this configuration. */
#define BF5XX_SSM2602_DAIFMT (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | \
SND_SOC_DAIFMT_CBM_CFM)
@@ -98,7 +69,7 @@ static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
.codec_dai_name = "ssm2602-hifi",
.platform_name = "bfin-i2s-pcm-audio",
.codec_name = "ssm2602.0-001b",
- .ops = &bf5xx_ssm2602_ops,
+ .init = bf5xx_ssm2602_dai_init,
},
{
.name = "ssm2602",
@@ -107,7 +78,7 @@ static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
.codec_dai_name = "ssm2602-hifi",
.platform_name = "bfin-i2s-pcm-audio",
.codec_name = "ssm2602.0-001b",
- .ops = &bf5xx_ssm2602_ops,
+ .init = bf5xx_ssm2602_dai_init,
},
};
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