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-rw-r--r--sound/pci/ca0106/ca0106_mixer.c51
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;
}