diff options
| author | Matthew Ranostay <mranostay@embeddedalley.com> | 2008-09-11 09:49:39 -0400 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-09-23 08:17:56 +0200 |
| commit | 89385035fa3126dff27bfb73d186bc51e78d5ba5 (patch) | |
| tree | 6d46bca88b7719546d10b9a304f153e365e84e51 /sound/pci/hda/hda_local.h | |
| parent | 6a14f58518dd18d315eaa6e4ca38bc6b051927af (diff) | |
ALSA: hda: Input port AMP controls
Added support for controlling hardware gain amps on input ports
using a volume control mixer with a mux selecting the port being controlled.
Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci/hda/hda_local.h')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 5c9e578f7f2..d688f50cdfc 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -418,4 +418,13 @@ int snd_hda_check_amp_list_power(struct hda_codec *codec, hda_nid_t nid); #endif /* CONFIG_SND_HDA_POWER_SAVE */ +/* + * AMP control callbacks + */ +/* retrieve parameters from private_value */ +#define get_amp_nid(kc) ((kc)->private_value & 0xffff) +#define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3) +#define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1) +#define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf) + #endif /* __SOUND_HDA_LOCAL_H */ |