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ALSA: ALS4000, slight mixer improvements

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- add 8kHz / 20 kHz low-pass filter switch control
- add ALS4000 Mono capture route control
- add annotations to specs pages
- improve ALS4000 PM saved regs selection (remove SB dummy register,
  add missing ones)
- add some missing ALS4000 register defines
- constify two variables

Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Andreas Mohr
2009-02-22 20:33:41 +01:00
committed by Takashi Iwai
parent 4c9f1d3ed7
commit ce71bfd1aa
2 changed files with 121 additions and 39 deletions
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4
include/sound/sb.h
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@@ -249,6 +249,7 @@ struct snd_sb {
#define SB_ALS4000_3D_AUTO_MUTE 0x52
#define SB_ALS4000_ANALOG_BLOCK_CTRL 0x53
#define SB_ALS4000_3D_DELAYLINE_PATTERN 0x54
#define SB_ALS4000_CR3_CONFIGURATION 0xc3 /* bit 7 is Digital Loop Enable */
#define SB_ALS4000_QSOUND 0xdb
/* IRQ setting bitmap */
@@ -330,7 +331,8 @@ enum {
SB_MIX_DOUBLE,
SB_MIX_INPUT_SW,
SB_MIX_CAPTURE_PRO,
SB_MIX_CAPTURE_DT019X
SB_MIX_CAPTURE_DT019X,
SB_MIX_MONO_CAPTURE_ALS4K
};
#define SB_MIXVAL_DOUBLE(left_reg, right_reg, left_shift, right_shift, mask) \