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ALSA: hda - Fix conflict of Mic Boot controls 

Due to the recent change for multiple mics assignment, we need to handle
the index of each Mic Boost control respectively.  Otherwise the driver
gets the control element conflicts, and gives the unsable state.

Reference: kernel bug 25002
	https://bugzilla.kernel.org/show_bug.cgi?id=25002

Reported-and-tested-by: Adam Williamson <awilliam@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2010-12-17 15:23:41 +01:00
parent ac61240793
commit 53e8c3239b
1 changed files with 9 additions and 2 deletions
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11
sound/pci/hda/patch_realtek.c
View File

@ -10830,7 +10830,8 @@ static int alc_auto_add_mic_boost(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
struct auto_pin_cfg *cfg = &spec->autocfg;
int i, err;
int i, err, type;
int type_idx = 0;
hda_nid_t nid;
for (i = 0; i < cfg->num_inputs; i++) {
@ -10839,9 +10840,15 @@ static int alc_auto_add_mic_boost(struct hda_codec *codec)
nid = cfg->inputs[i].pin;
if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP) {
char label[32];
type = cfg->inputs[i].type;
if (i > 0 && type == cfg->inputs[i - 1].type)
type_idx++;
else
type_idx = 0;
snprintf(label, sizeof(label), "%s Boost",
hda_get_autocfg_input_label(codec, cfg, i));
err = add_control(spec, ALC_CTL_WIDGET_VOL, label, 0,
err = add_control(spec, ALC_CTL_WIDGET_VOL, label,
type_idx,
HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_INPUT));
if (err < 0)
return err;