diff options
| author | Takashi Iwai <tiwai@suse.de> | 2008-02-18 13:06:49 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-04-24 12:00:12 +0200 |
| commit | 49c88b85b53767f97eb8c9171cb0b976c62a0114 (patch) | |
| tree | bdf175c7a17e0bd6df76d23353238331799f342b /sound/pci/ca0106 | |
| parent | 1c82ed1bc531746a8fa9b46c593ddce546f28026 (diff) | |
[ALSA] ca0106 - Add master volume controls
Added master volume and switch controls for ca0106 using vmaster.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ca0106')
| -rw-r--r-- | sound/pci/ca0106/ca0106_mixer.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c index af736869d9b..94618ecaab6 100644 --- a/sound/pci/ca0106/ca0106_mixer.c +++ b/sound/pci/ca0106/ca0106_mixer.c @@ -658,11 +658,47 @@ static int __devinit rename_ctl(struct snd_card *card, const char *src, const ch } \ } while (0) +static __devinitdata +DECLARE_TLV_DB_SCALE(snd_ca0106_master_db_scale, -6375, 50, 1); + +static char *slave_vols[] __devinitdata = { + "Analog Front Playback Volume", + "Analog Rear Playback Volume", + "Analog Center/LFE Playback Volume", + "Analog Side Playback Volume", + "IEC958 Front Playback Volume", + "IEC958 Rear Playback Volume", + "IEC958 Center/LFE Playback Volume", + "IEC958 Unknown Playback Volume", + "CAPTURE feedback Playback Volume", + NULL +}; + +static char *slave_sws[] __devinitdata = { + "Analog Front Playback Switch", + "Analog Rear Playback Switch", + "Analog Center/LFE Playback Switch", + "Analog Side Playback Switch", + "IEC958 Playback Switch", + NULL +}; + +static void __devinit add_slaves(struct snd_card *card, + struct snd_kcontrol *master, char **list) +{ + for (; *list; list++) { + struct snd_kcontrol *slave = ctl_find(card, *list); + if (slave) + snd_ctl_add_slave(master, slave); + } +} + int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu) { int err; struct snd_card *card = emu->card; char **c; + struct snd_kcontrol *vmaster; static char *ca0106_remove_ctls[] = { "Master Mono Playback Switch", "Master Mono Playback Volume", @@ -719,6 +755,21 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu) } if (emu->details->spi_dac == 1) ADD_CTLS(emu, snd_ca0106_volume_spi_dac_ctls); + + /* Create virtual master controls */ + vmaster = snd_ctl_make_virtual_master("Master Playback Volume", + snd_ca0106_master_db_scale); + if (!vmaster) + return -ENOMEM; + add_slaves(card, vmaster, slave_vols); + + if (emu->details->spi_dac == 1) { + vmaster = snd_ctl_make_virtual_master("Master Playback Switch", + NULL); + if (!vmaster) + return -ENOMEM; + add_slaves(card, vmaster, slave_sws); + } return 0; } |