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| author | Takashi Iwai <tiwai@suse.de> | 2005-05-13 17:18:42 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-05-29 10:10:36 +0200 |
| commit | fd2c326de8cd35a36514a887541426b1ef7c5516 (patch) | |
| tree | 465e67a3bd2bba7180731a418e418bfecc23de84 /sound/pci | |
| parent | 9bc533f58e8515cf346932fc84a58dd706342635 (diff) | |
| download | lwn-fd2c326de8cd35a36514a887541426b1ef7c5516.tar.gz lwn-fd2c326de8cd35a36514a887541426b1ef7c5516.zip | |
[ALSA] Allow more than 2 channel modes
HDA Codec driver
Allow 'Channel Mode' control to have more than 2 modes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 8a104827a95c..9f12d1fd02dc 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -301,13 +301,14 @@ static int alc880_ch_mode_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *ui { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct alc_spec *spec = codec->spec; + int items = kcontrol->private_value ? (int)kcontrol->private_value : 2; snd_assert(spec->channel_mode, return -ENXIO); uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; - uinfo->value.enumerated.items = 2; - if (uinfo->value.enumerated.item >= 2) - uinfo->value.enumerated.item = 1; + uinfo->value.enumerated.items = items; + if (uinfo->value.enumerated.item >= items) + uinfo->value.enumerated.item = items - 1; sprintf(uinfo->value.enumerated.name, "%dch", spec->channel_mode[uinfo->value.enumerated.item].channels); return 0; @@ -317,10 +318,16 @@ static int alc880_ch_mode_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *uc { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); struct alc_spec *spec = codec->spec; + int items = kcontrol->private_value ? (int)kcontrol->private_value : 2; + int i; snd_assert(spec->channel_mode, return -ENXIO); - ucontrol->value.enumerated.item[0] = - (spec->multiout.max_channels == spec->channel_mode[0].channels) ? 0 : 1; + for (i = 0; i < items; i++) { + if (spec->multiout.max_channels == spec->channel_mode[i].channels) { + ucontrol->value.enumerated.item[0] = i; + break; + } + } return 0; } @@ -1036,9 +1043,11 @@ static struct hda_input_mux alc880_test_capture_source = { }, }; -static struct alc_channel_mode alc880_test_modes[2] = { +static struct alc_channel_mode alc880_test_modes[4] = { { 2, NULL }, + { 4, NULL }, { 6, NULL }, + { 8, NULL }, }; static int alc_test_pin_ctl_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) @@ -1211,6 +1220,7 @@ static snd_kcontrol_new_t alc880_test_mixer[] = { .info = alc880_ch_mode_info, .get = alc880_ch_mode_get, .put = alc880_ch_mode_put, + .private_value = ARRAY_SIZE(alc880_test_modes), }, { } /* end */ }; |