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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-09-16 19:38:53 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-09-16 21:07:50 +0100
commit8bb014895547eeeb9aa61a654f24e41e15919304 (patch)
tree0a2510d00ade805b7088cf33c65199ff106034e8 /sound/soc/s3c24xx
parent9b95b166789d3ec57cea8cca0d42e602b8643ab0 (diff)
ASoC: Add S3C64xx IIS CDCLK source selection
CDCLK can either be an output generated by the CPU, intended for use as the CODEC master clock, or an input (probably from the CODEC) providing a master clock for the IIS block. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/s3c24xx')
-rw-r--r--sound/soc/s3c24xx/s3c64xx-i2s.c13
-rw-r--r--sound/soc/s3c24xx/s3c64xx-i2s.h1
2 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c
index 3c06c401d0f..aaf452096be 100644
--- a/sound/soc/s3c24xx/s3c64xx-i2s.c
+++ b/sound/soc/s3c24xx/s3c64xx-i2s.c
@@ -99,6 +99,19 @@ static int s3c64xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai,
iismod |= S3C64XX_IISMOD_IMS_SYSMUX;
break;
+ case S3C64XX_CLKSRC_CDCLK:
+ switch (dir) {
+ case SND_SOC_CLOCK_IN:
+ iismod |= S3C64XX_IISMOD_CDCLKCON;
+ break;
+ case SND_SOC_CLOCK_OUT:
+ iismod &= ~S3C64XX_IISMOD_CDCLKCON;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+
default:
return -EINVAL;
}
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.h b/sound/soc/s3c24xx/s3c64xx-i2s.h
index 02148cee261..abe7253b55f 100644
--- a/sound/soc/s3c24xx/s3c64xx-i2s.h
+++ b/sound/soc/s3c24xx/s3c64xx-i2s.h
@@ -25,6 +25,7 @@ struct clk;
#define S3C64XX_CLKSRC_PCLK (0)
#define S3C64XX_CLKSRC_MUX (1)
+#define S3C64XX_CLKSRC_CDCLK (2)
extern struct snd_soc_dai s3c64xx_i2s_dai[];