diff options
| author | Takashi Iwai <tiwai@suse.de> | 2007-08-10 17:11:07 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 15:58:43 +0200 |
| commit | 47fd830acf0b6b5bc75db55d0f2cc64f59a23b5f (patch) | |
| tree | 920b7e2cdce7120ff96417d74b911c3d5b95c21b /sound/pci/hda/hda_local.h | |
| parent | 82beb8fd365afe3891b277c46425083f13e23c56 (diff) | |
[ALSA] hda-codec - add snd_hda_codec_stereo() function
Added snd_hda_codec_amp_stereo() function that changes both of stereo
channels with the same mask and value bits. It simplifies most of
amp-handling codes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/hda/hda_local.h')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 8dec32cfdf5..35ea0cf37a2 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -84,10 +84,17 @@ int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int index); int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int idx, int mask, int val); +int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, + int dir, int idx, int mask, int val); #ifdef CONFIG_PM void snd_hda_codec_resume_amp(struct hda_codec *codec); #endif +/* amp value bits */ +#define HDA_AMP_MUTE 0x80 +#define HDA_AMP_UNMUTE 0x00 +#define HDA_AMP_VOLMASK 0x7f + /* mono switch binding multiple inputs */ #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \ |