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| author | Takashi Iwai | 2005-11-17 11:06:29 +0100 |
|---|---|---|
| committer | Jaroslav Kysela | 2006-01-03 12:17:21 +0100 |
| commit | d2a6d7dc757da6b57d77bd8b460cf4faa9fd152d (patch) | |
| tree | b3edf27437b4be8ee23917b852d8e93376ac62da /sound/pci/hda/hda_local.h | |
| parent | [ALSA] Small update of Procfile.txt (diff) | |
| download | kernel-qcow2-linux-d2a6d7dc757da6b57d77bd8b460cf4faa9fd152d.tar.gz kernel-qcow2-linux-d2a6d7dc757da6b57d77bd8b460cf4faa9fd152d.tar.xz kernel-qcow2-linux-d2a6d7dc757da6b57d77bd8b460cf4faa9fd152d.zip | |
[ALSA] hda-codec - Add channel-mode helper
Modules: HDA Codec driver,HDA generic driver
Add common channel-mode helper functions for all codec patches.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_local.h')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index f51a56f813c8..05a88fb1d652 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -102,6 +102,23 @@ int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *i snd_ctl_elem_value_t *ucontrol, hda_nid_t nid, unsigned int *cur_val); + /* + * Channel mode helper + */ +struct hda_channel_mode { + int channels; + const struct hda_verb *sequence; +}; + +int snd_hda_ch_mode_info(struct hda_codec *codec, snd_ctl_elem_info_t *uinfo, + const struct hda_channel_mode *chmode, int num_chmodes); +int snd_hda_ch_mode_get(struct hda_codec *codec, snd_ctl_elem_value_t *ucontrol, + const struct hda_channel_mode *chmode, int num_chmodes, + int max_channels); +int snd_hda_ch_mode_put(struct hda_codec *codec, snd_ctl_elem_value_t *ucontrol, + const struct hda_channel_mode *chmode, int num_chmodes, + int *max_channelsp); + /* * Multi-channel / digital-out PCM helper */ |