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authorClemens Ladisch <clemens@ladisch.de>2009-09-28 11:20:11 +0200
committerTakashi Iwai <tiwai@suse.de>2009-09-28 11:54:45 +0200
commit76ffe1e3fb2f65e98d7ed001c5a2b6f334655364 (patch)
tree9a05a9f27a3a0907dd6af081a2b149d72a303b89 /sound/pci/oxygen/oxygen_pcm.c
parenta361e247b4e36c567b44fef354ab595458422d44 (diff)
sound: oxygen: allow custom MCLK rates
Add a callback that allows model drivers to modify the default I2S MCLK rate. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/oxygen/oxygen_pcm.c')
-rw-r--r--sound/pci/oxygen/oxygen_pcm.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index 1e98333366d..9dff6954c39 100644
--- a/sound/pci/oxygen/oxygen_pcm.c
+++ b/sound/pci/oxygen/oxygen_pcm.c
@@ -271,13 +271,16 @@ static unsigned int oxygen_rate(struct snd_pcm_hw_params *hw_params)
}
}
-static unsigned int oxygen_i2s_mclk(struct snd_pcm_hw_params *hw_params)
+unsigned int oxygen_default_i2s_mclk(struct oxygen *chip,
+ unsigned int channel,
+ struct snd_pcm_hw_params *hw_params)
{
if (params_rate(hw_params) <= 96000)
return OXYGEN_I2S_MCLK_256;
else
return OXYGEN_I2S_MCLK_128;
}
+EXPORT_SYMBOL(oxygen_default_i2s_mclk);
static unsigned int oxygen_i2s_bits(struct snd_pcm_hw_params *hw_params)
{
@@ -354,7 +357,7 @@ static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream,
OXYGEN_REC_FORMAT_A_MASK);
oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT,
oxygen_rate(hw_params) |
- oxygen_i2s_mclk(hw_params) |
+ chip->model.get_i2s_mclk(chip, PCM_A, hw_params) |
chip->model.adc_i2s_format |
oxygen_i2s_bits(hw_params),
OXYGEN_I2S_RATE_MASK |
@@ -390,7 +393,8 @@ static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream,
if (!is_ac97)
oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT,
oxygen_rate(hw_params) |
- oxygen_i2s_mclk(hw_params) |
+ chip->model.get_i2s_mclk(chip, PCM_B,
+ hw_params) |
chip->model.adc_i2s_format |
oxygen_i2s_bits(hw_params),
OXYGEN_I2S_RATE_MASK |
@@ -472,7 +476,8 @@ static int oxygen_multich_hw_params(struct snd_pcm_substream *substream,
oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
oxygen_rate(hw_params) |
chip->model.dac_i2s_format |
- oxygen_i2s_mclk(hw_params) |
+ chip->model.get_i2s_mclk(chip, PCM_MULTICH,
+ hw_params) |
oxygen_i2s_bits(hw_params),
OXYGEN_I2S_RATE_MASK |
OXYGEN_I2S_FORMAT_MASK |