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>
diff --git a/sound/pci/oxygen/xonar_pcm179x.c b/sound/pci/oxygen/xonar_pcm179x.c
index 9787193..003c480 100644
--- a/sound/pci/oxygen/xonar_pcm179x.c
+++ b/sound/pci/oxygen/xonar_pcm179x.c
@@ -1032,7 +1032,7 @@
.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 @@
.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 @@
.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,
};