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ALSA: ac97: replace open-coded, error-prone stuff with AC97 bit defines

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Use AC97 macros (sometimes already existing, or newly added)
instead of error-prone repetition of open-coded values.

Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Andreas Mohr
2011-02-17 00:17:53 +01:00
committed by Takashi Iwai
parent 3347b26cab
commit 03c2d87a21
2 changed files with 54 additions and 34 deletions
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5
include/sound/ac97_codec.h
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@ -96,6 +96,10 @@
#define AC97_FUNC_INFO 0x68 /* Function Information */
#define AC97_SENSE_INFO 0x6a /* Sense Details */
/* volume controls */
#define AC97_MUTE_MASK_MONO 0x8000
#define AC97_MUTE_MASK_STEREO 0x8080
/* slot allocation */
#define AC97_SLOT_TAG 0
#define AC97_SLOT_CMD_ADDR 1
@ -138,6 +142,7 @@
#define AC97_BC_18BIT_ADC 0x0100 /* 18-bit ADC resolution */
#define AC97_BC_20BIT_ADC 0x0200 /* 20-bit ADC resolution */
#define AC97_BC_ADC_MASK 0x0300
#define AC97_BC_3D_TECH_ID_MASK 0x7c00 /* Per-vendor ID of 3D enhancement */
/* general purpose */
#define AC97_GP_DRSS_MASK 0x0c00 /* double rate slot select */