From: Takashi Iwai Date: Mon, 23 Mar 2009 11:51:55 +0000 (+0100) Subject: ALSA: hda - Avoid output amp manipulation to digital mic pins X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=52ca15b7c0c711eb37f5e4b769e8488e5c516d43;p=linux-2.6-omap-h63xx.git 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 --- diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b69d9864f6f..965a531d2fb 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);