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ALSA: virtuoso: reduce MCLK in double rate modes 

For the CSxxxx and AKxxxx DAC/ADC chips, the MCLK factor in double rate
modes (64-96 kHz) can be reduced to 128x without reducing sound quality.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2011-01-10 16:16:08 +01:00 committed by Takashi Iwai
parent 5b8bf2a54f
commit ce2c492090
3 changed files with 9 additions and 7 deletions
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6
sound/pci/oxygen/oxygen.c
View File

@ -588,7 +588,7 @@ static const struct oxygen_model model_generic = {
.dac_volume_max = 255,
.function_flags = OXYGEN_FUNCTION_SPI |
OXYGEN_FUNCTION_ENABLE_SPI_4_5,
.dac_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
@ -643,8 +643,10 @@ static int __devinit get_oxygen_model(struct oxygen *chip,
chip->model.dump_registers = dump_ak4396_registers;
chip->model.device_config = PLAYBACK_0_TO_I2S |
PLAYBACK_1_TO_SPDIF;
if (id->driver_data == MODEL_FANTASIA)
if (id->driver_data == MODEL_FANTASIA) {
chip->model.device_config |= CAPTURE_0_FROM_I2S_1;
chip->model.adc_mclks = OXYGEN_MCLKS(256, 128, 128);
}
chip->model.dac_channels_pcm = 2;
chip->model.dac_channels_mixer = 2;
break;

4
sound/pci/oxygen/xonar_cs43xx.c
View File

@ -430,8 +430,8 @@ static const struct oxygen_model model_xonar_d1 = {
.dac_volume_min = 127 - 60,
.dac_volume_max = 127,
.function_flags = OXYGEN_FUNCTION_2WIRE,
.dac_mclks = OXYGEN_MCLKS(256, 256, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

6
sound/pci/oxygen/xonar_pcm179x.c
View File

@ -1032,7 +1032,7 @@ static const struct oxygen_model model_xonar_d2 = {
.function_flags = OXYGEN_FUNCTION_SPI |
OXYGEN_FUNCTION_ENABLE_SPI_4_5,
.dac_mclks = OXYGEN_MCLKS(512, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};
@ -1066,7 +1066,7 @@ static const struct oxygen_model model_xonar_hdav = {
.misc_flags = OXYGEN_MISC_MIDI,
.function_flags = OXYGEN_FUNCTION_2WIRE,
.dac_mclks = OXYGEN_MCLKS(512, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};
@ -1097,7 +1097,7 @@ static const struct oxygen_model model_xonar_st = {
.dac_volume_max = 255,
.function_flags = OXYGEN_FUNCTION_2WIRE,
.dac_mclks = OXYGEN_MCLKS(512, 128, 128),
.adc_mclks = OXYGEN_MCLKS(256, 256, 128),
.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
.dac_i2s_format = OXYGEN_I2S_FORMAT_I2S,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};