aboutsummaryrefslogtreecommitdiff
path: root/sound/pci
diff options
context:
space:
mode:
authorMatthew Ranostay <mranostay@embeddedalley.com>2008-09-27 18:13:47 -0400
committerJaroslav Kysela <perex@perex.cz>2008-10-10 13:41:43 +0200
commit00ef50c242f05381cd3fbf56bbda28155cbbb7c8 (patch)
tree903055d629c09a1e5af8ec1f955614f78af47510 /sound/pci
parentf3911c5ab93e4295938b2013104d2986ea601454 (diff)
ALSA: hda: SPDIF stream muting support
Added support for muting S/DPIF outs using the 'Digital Playback Source' muxs on supporting codecs. Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/patch_sigmatel.c35
1 files changed, 33 insertions, 2 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index f9b25638892..05661f7f3ce 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -138,6 +138,7 @@ struct sigmatel_spec {
unsigned int mic_switch: 1;
unsigned int alt_switch: 1;
unsigned int hp_detect: 1;
+ unsigned int spdif_mute: 1;
/* gpio lines */
unsigned int eapd_mask;
@@ -547,10 +548,32 @@ static int stac92xx_smux_enum_put(struct snd_kcontrol *kcontrol,
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct sigmatel_spec *spec = codec->spec;
+ struct hda_input_mux *smux = &spec->private_smux;
unsigned int smux_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+ int err, val;
+ hda_nid_t nid;
- return snd_hda_input_mux_put(codec, spec->sinput_mux, ucontrol,
+ err = snd_hda_input_mux_put(codec, spec->sinput_mux, ucontrol,
spec->smux_nids[smux_idx], &spec->cur_smux[smux_idx]);
+ if (err < 0)
+ return err;
+
+ if (spec->spdif_mute) {
+ if (smux_idx == 0)
+ nid = spec->multiout.dig_out_nid;
+ else
+ nid = codec->slave_dig_outs[smux_idx - 1];
+ if (spec->cur_smux[smux_idx] == smux->num_items - 1)
+ val = AMP_OUT_MUTE;
+ if (smux_idx == 0)
+ nid = spec->multiout.dig_out_nid;
+ else
+ nid = codec->slave_dig_outs[smux_idx - 1];
+ /* un/mute SPDIF out */
+ snd_hda_codec_write_cache(codec, nid, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE, val);
+ }
+ return 0;
}
static int stac92xx_mux_enum_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
@@ -1228,6 +1251,15 @@ static int stac92xx_build_controls(struct hda_codec *codec)
return err;
}
if (spec->num_smuxes > 0) {
+ int wcaps = get_wcaps(codec, spec->multiout.dig_out_nid);
+ struct hda_input_mux *smux = &spec->private_smux;
+ /* check for mute support on SPDIF out */
+ if (wcaps & AC_WCAP_OUT_AMP) {
+ smux->items[smux->num_items].label = "Off";
+ smux->items[smux->num_items].index = 0;
+ smux->num_items++;
+ spec->spdif_mute = 1;
+ }
stac_smux_mixer.count = spec->num_smuxes;
err = snd_ctl_add(codec->bus->card,
snd_ctl_new1(&stac_smux_mixer, codec));
@@ -4377,7 +4409,6 @@ again:
spec->num_muxes = ARRAY_SIZE(stac92hd71bxx_mux_nids);
spec->num_adcs = ARRAY_SIZE(stac92hd71bxx_adc_nids);
- spec->num_dmuxes = ARRAY_SIZE(stac92hd71bxx_dmux_nids);
switch (spec->board_config) {
case STAC_HP_M4: