UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ASoC: cs35l32: Simplify implementation of cs35l32_codec_set_sysclk 

Use single snd_soc_update_bits() call to update the register bits.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Brian Austin <brian.austin@cirrus.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Axel Lin 2014-08-28 16:27:56 +08:00 committed by Mark Brown
parent 1a83269d5c
commit 5f609f282b
1 changed files with 7 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
sound/soc/codecs/cs35l32.c
View File

@ -242,41 +242,27 @@ static struct snd_soc_dai_driver cs35l32_dai[] = {
static int cs35l32_codec_set_sysclk(struct snd_soc_codec *codec,
int clk_id, int source, unsigned int freq, int dir)
{
unsigned int val;
switch (freq) {
case 6000000:
snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_DIV2_MASK, 0);
snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_RATIO_MASK,
CS35L32_MCLK_RATIO);
val = CS35L32_MCLK_RATIO;
break;
case 12000000:
snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_DIV2_MASK,
CS35L32_MCLK_DIV2_MASK);
snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_RATIO_MASK,
CS35L32_MCLK_RATIO);
val = CS35L32_MCLK_DIV2_MASK | CS35L32_MCLK_RATIO;
break;
case 6144000:
snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_DIV2_MASK, 0);
snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_RATIO_MASK, 0);
val = 0;
break;
case 12288000:
snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_DIV2_MASK,
CS35L32_MCLK_DIV2_MASK);
snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_RATIO_MASK, 0);
val = CS35L32_MCLK_DIV2_MASK;
break;
default:
return -EINVAL;
}
return 0;
return snd_soc_update_bits(codec, CS35L32_CLK_CTL,
CS35L32_MCLK_DIV2_MASK | CS35L32_MCLK_RATIO_MASK, val);
}
static struct snd_soc_codec_driver soc_codec_dev_cs35l32 = {