ALSA: hda - Create virtual-master control for VIA codecs
Now let's add the missing Master control to VIA codecs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 1edcd32..deb33ae 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -1308,6 +1308,31 @@
.channels_max = 2,
};
+/*
+ * slave controls for virtual master
+ */
+static const char * const via_slave_vols[] = {
+ "Front Playback Volume",
+ "Surround Playback Volume",
+ "Center Playback Volume",
+ "LFE Playback Volume",
+ "Side Playback Volume",
+ "Headphone Playback Volume",
+ "Speaker Playback Volume",
+ NULL,
+};
+
+static const char * const via_slave_sws[] = {
+ "Front Playback Switch",
+ "Surround Playback Switch",
+ "Center Playback Switch",
+ "LFE Playback Switch",
+ "Side Playback Switch",
+ "Headphone Playback Switch",
+ "Speaker Playback Switch",
+ NULL,
+};
+
static int via_build_controls(struct hda_codec *codec)
{
struct via_spec *spec = codec->spec;
@@ -1343,6 +1368,23 @@
return err;
}
+ /* if we have no master control, let's create it */
+ if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
+ unsigned int vmaster_tlv[4];
+ snd_hda_set_vmaster_tlv(codec, spec->multiout.dac_nids[0],
+ HDA_OUTPUT, vmaster_tlv);
+ err = snd_hda_add_vmaster(codec, "Master Playback Volume",
+ vmaster_tlv, via_slave_vols);
+ if (err < 0)
+ return err;
+ }
+ if (!snd_hda_find_mixer_ctl(codec, "Master Playback Switch")) {
+ err = snd_hda_add_vmaster(codec, "Master Playback Switch",
+ NULL, via_slave_sws);
+ if (err < 0)
+ return err;
+ }
+
/* assign Capture Source enums to NID */
kctl = snd_hda_find_mixer_ctl(codec, "Input Source");
for (i = 0; kctl && i < kctl->count; i++) {