openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[ALSA] ca0106: remove extra commands in SPI DAC init sequence 

The init sequence set a number of registers more than once to different
values.  It's only necessary to set them once to their final values.
It also never actually updated the digital attenuation settings.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Trent Piepho 2007-07-25 18:41:17 +02:00 committed by Jaroslav Kysela
parent 18b5d32f20
commit b87c464ea2
1 changed files with 5 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sound/pci/ca0106/ca0106_main.c
View File

@ -1262,25 +1262,19 @@ static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device, struct s
static unsigned int spi_dac_init[] = {
SPI_REG(SPI_LDA1_REG, SPI_DA_BIT_0dB), /* 0dB dig. attenuation */
SPI_REG(SPI_RDA1_REG, SPI_DA_BIT_0dB),
SPI_REG(SPI_PL_REG, 0x00),
SPI_REG(SPI_PL_REG, SPI_PL_BIT_L_L | SPI_PL_BIT_R_R),
SPI_REG(SPI_FMT_REG, SPI_FMT_BIT_RJ | SPI_IWL_BIT_24),
SPI_REG(SPI_PL_REG, SPI_PL_BIT_L_L | SPI_PL_BIT_R_R | SPI_IZD_BIT),
SPI_REG(SPI_FMT_REG, SPI_FMT_BIT_I2S | SPI_IWL_BIT_24),
SPI_REG(SPI_LDA2_REG, SPI_DA_BIT_0dB),
SPI_REG(SPI_RDA2_REG, SPI_DA_BIT_0dB),
SPI_REG(SPI_LDA3_REG, SPI_DA_BIT_0dB),
SPI_REG(SPI_RDA3_REG, SPI_DA_BIT_0dB),
SPI_REG(SPI_MASTDA_REG, SPI_DA_BIT_0dB),
SPI_REG(9, 0x00),
SPI_REG(SPI_MS_REG, 0x00),
SPI_REG(SPI_MS_REG, SPI_RATE_BIT_256),
SPI_REG(SPI_MS_REG, SPI_DACD0_BIT | SPI_DACD1_BIT | SPI_DACD2_BIT),
SPI_REG(12, 0x00),
SPI_REG(SPI_LDA4_REG, SPI_DA_BIT_0dB),
SPI_REG(SPI_RDA4_REG, SPI_DA_BIT_0dB),
SPI_REG(15, 0x00),
SPI_REG(SPI_PL_REG, SPI_PL_BIT_L_L | SPI_PL_BIT_R_R | SPI_IZD_BIT),
SPI_REG(SPI_FMT_REG, SPI_FMT_BIT_I2S),
SPI_REG(SPI_FMT_REG, SPI_FMT_BIT_I2S | SPI_IWL_BIT_24),
SPI_REG(SPI_MS_REG, SPI_DACD0_BIT | SPI_DACD1_BIT | SPI_DACD2_BIT),
SPI_REG(SPI_RDA4_REG, SPI_DA_BIT_0dB | SPI_DA_BIT_UPDATE),
SPI_REG(SPI_DACD4_REG, 0x00),
};
static unsigned int i2c_adc_init[][2] = {