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ALSA: hda/realtek - Create mono volume controls for mono-outputs 

When the pin or the DAC doesn't support the stereo, create a mono
control instead of creating a stereo control blindly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2011-11-14 17:13:23 +01:00
parent c3e837bbcc
commit e29d377814
1 changed files with 17 additions and 4 deletions
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21
sound/pci/hda/patch_realtek.c
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@ -3144,8 +3144,15 @@ static int alc_auto_add_vol_ctl(struct hda_codec *codec,
val);
}
#define alc_auto_add_stereo_vol(codec, pfx, cidx, nid) \
alc_auto_add_vol_ctl(codec, pfx, cidx, nid, 3)
static int alc_auto_add_stereo_vol(struct hda_codec *codec,
const char *pfx, int cidx,
hda_nid_t nid)
{
int chs = 1;
if (get_wcaps(codec, nid) & AC_WCAP_STEREO)
chs = 3;
return alc_auto_add_vol_ctl(codec, pfx, cidx, nid, chs);
}
/* create a mute-switch for the given mixer widget;
* if it has multiple sources (e.g. DAC and loopback), create a bind-mute
@ -3177,8 +3184,14 @@ static int alc_auto_add_sw_ctl(struct hda_codec *codec,
return __add_pb_sw_ctrl(codec->spec, type, pfx, cidx, val);
}
#define alc_auto_add_stereo_sw(codec, pfx, cidx, nid) \
alc_auto_add_sw_ctl(codec, pfx, cidx, nid, 3)
static int alc_auto_add_stereo_sw(struct hda_codec *codec, const char *pfx,
int cidx, hda_nid_t nid)
{
int chs = 1;
if (get_wcaps(codec, nid) & AC_WCAP_STEREO)
chs = 3;
return alc_auto_add_sw_ctl(codec, pfx, cidx, nid, chs);
}
static hda_nid_t alc_look_for_out_mute_nid(struct hda_codec *codec,
hda_nid_t pin, hda_nid_t dac)