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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 04:09:51 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 04:09:51 +0300 |
| commit | 932adbed6d99cc373fc3433d701b3a594fea872c (patch) | |
| tree | d3495817d158f2678c38235b05102ea93d6795be /sound/soc/davinci/davinci-evm.c | |
| parent | ce519e2327bff01d0eb54071e7044e6291a52aa6 (diff) | |
| parent | 167968199089435c63ad1140ccfb8c6179274a0a (diff) | |
| download | linux-932adbed6d99cc373fc3433d701b3a594fea872c.tar.xz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ASoC: Fix SND_SOC_ALL_CODECS handling of dual SPI and I2C control buses
ASoC: Use snd_soc_dapm_nc_pin() in at91sam9g20ek
ASoC: TWL4030: Convert the bitfield enums to VALUE_ENUM type
ASoC: New enum type: value_enum
pxa2xx-ac97: switch AC unit to correct state before probing
ASoC: Clocking fixes for davinci-evm.c
ASoC: Mark non-connected TWL4030 pins for pandora
ASoC: OMAP: Select OMAP pin multiplexing when using Nokia N810 ASoC drivers
Diffstat (limited to 'sound/soc/davinci/davinci-evm.c')
| -rw-r--r-- | sound/soc/davinci/davinci-evm.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c index 01b948bb55a1..54851f318568 100644 --- a/sound/soc/davinci/davinci-evm.c +++ b/sound/soc/davinci/davinci-evm.c @@ -26,7 +26,6 @@ #include "davinci-pcm.h" #include "davinci-i2s.h" -#define EVM_CODEC_CLOCK 22579200 #define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \ SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF) @@ -37,6 +36,21 @@ static int evm_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; int ret = 0; + unsigned sysclk; + + /* ASP1 on DM355 EVM is clocked by an external oscillator */ + if (machine_is_davinci_dm355_evm()) + sysclk = 27000000; + + /* ASP0 in DM6446 EVM is clocked by U55, as configured by + * board-dm644x-evm.c using GPIOs from U18. There are six + * options; here we "know" we use a 48 KHz sample rate. + */ + else if (machine_is_davinci_evm()) + sysclk = 12288000; + + else + return -EINVAL; /* set codec DAI configuration */ ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT); @@ -49,8 +63,7 @@ static int evm_hw_params(struct snd_pcm_substream *substream, return ret; /* set the codec system clock */ - ret = snd_soc_dai_set_sysclk(codec_dai, 0, EVM_CODEC_CLOCK, - SND_SOC_CLOCK_OUT); + ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT); if (ret < 0) return ret; |