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>
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@ -44,16 +44,8 @@
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static struct snd_soc_card bf5xx_ssm2602;
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static int bf5xx_ssm2602_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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static int bf5xx_ssm2602_dai_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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unsigned int clk = 0;
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int ret = 0;
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pr_debug("%s rate %d format %x\n", __func__, params_rate(params),
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params_format(params));
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/*
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* If you are using a crystal source which frequency is not 12MHz
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* then modify the below case statement with frequency of the crystal.
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@ -61,31 +53,10 @@ static int bf5xx_ssm2602_hw_params(struct snd_pcm_substream *substream,
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* If you are using the SPORT to generate clocking then this is
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* where to do it.
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*/
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switch (params_rate(params)) {
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case 8000:
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case 16000:
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case 48000:
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case 96000:
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case 11025:
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case 22050:
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case 44100:
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clk = 12000000;
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break;
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}
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ret = snd_soc_dai_set_sysclk(codec_dai, SSM2602_SYSCLK, clk,
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return snd_soc_dai_set_sysclk(rtd->codec_dai, SSM2602_SYSCLK, 12000000,
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SND_SOC_CLOCK_IN);
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if (ret < 0)
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return ret;
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return 0;
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}
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static struct snd_soc_ops bf5xx_ssm2602_ops = {
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.hw_params = bf5xx_ssm2602_hw_params,
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};
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/* CODEC is master for BCLK and LRC in this configuration. */
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#define BF5XX_SSM2602_DAIFMT (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | \
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SND_SOC_DAIFMT_CBM_CFM)
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@ -98,7 +69,7 @@ static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
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.codec_dai_name = "ssm2602-hifi",
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.platform_name = "bfin-i2s-pcm-audio",
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.codec_name = "ssm2602.0-001b",
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.ops = &bf5xx_ssm2602_ops,
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.init = bf5xx_ssm2602_dai_init,
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},
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{
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.name = "ssm2602",
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@ -107,7 +78,7 @@ static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
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.codec_dai_name = "ssm2602-hifi",
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.platform_name = "bfin-i2s-pcm-audio",
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.codec_name = "ssm2602.0-001b",
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.ops = &bf5xx_ssm2602_ops,
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.init = bf5xx_ssm2602_dai_init,
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},
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};
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