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 --- sound/soc/blackfin/bf5xx-ssm2602.c | 37 ++++-------------------------------- 1 file changed, 4 insertions(+), 33 deletions(-)
diff --git a/sound/soc/blackfin/bf5xx-ssm2602.c b/sound/soc/blackfin/bf5xx-ssm2602.c index b39ad35..f5b9951 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_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_init, .dai_fmt = BF5XX_SSM2602_DAIFMT, }, { @@ -108,7 +79,7 @@ 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_init, .dai_fmt = BF5XX_SSM2602_DAIFMT, }, };