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| author | Takashi Iwai <tiwai@suse.de> | 2009-03-23 12:51:55 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-03-23 12:51:55 +0100 |
| commit | 52ca15b7c0c711eb37f5e4b769e8488e5c516d43 (patch) | |
| tree | d76572afec2ea99d4a095eb6cdee27626f21506f /sound/pci | |
| parent | 234b4346a064f8a2a488da10b3c1e640fb778a17 (diff) | |
| download | lwn-52ca15b7c0c711eb37f5e4b769e8488e5c516d43.tar.gz lwn-52ca15b7c0c711eb37f5e4b769e8488e5c516d43.zip | |
ALSA: hda - Avoid output amp manipulation to digital mic pins
Don't set amp-out values to pins without PINCAP_OUT capability,
which are usually assigned for digital mics on ALC663/ALC272.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b69d9864f6f3..965a531d2fba 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -16750,6 +16750,12 @@ static int alc662_is_input_pin(struct hda_codec *codec, hda_nid_t nid) return (pincap & AC_PINCAP_IN) != 0; } +static int alc662_is_output_pin(struct hda_codec *codec, hda_nid_t nid) +{ + unsigned int pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); + return (pincap & AC_PINCAP_OUT) != 0; +} + /* create playback/capture controls for input pins */ static int alc662_auto_create_analog_input_ctls(struct hda_codec *codec, const struct auto_pin_cfg *cfg) @@ -16837,7 +16843,8 @@ static void alc662_auto_init_analog_input(struct hda_codec *codec) hda_nid_t nid = spec->autocfg.input_pins[i]; if (alc662_is_input_pin(codec, nid)) { alc_set_input_pin(codec, nid, i); - if (nid != ALC662_PIN_CD_NID) + if (nid != ALC662_PIN_CD_NID && + alc662_is_output_pin(codec, nid)) snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); |