diff options
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 1527cb61e5d6..33fc7cd00935 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1764,6 +1764,21 @@ static void stac92xx_set_pinctl(struct hda_codec *codec, hda_nid_t nid, unsigned int pin_ctl = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0x00); + if (pin_ctl & AC_PINCTL_IN_EN) { + /* + * we need to check the current set-up direction of + * shared input pins since they can be switched via + * "xxx as Output" mixer switch + */ + struct sigmatel_spec *spec = codec->spec; + struct auto_pin_cfg *cfg = &spec->autocfg; + if ((nid == cfg->input_pins[AUTO_PIN_LINE] && + spec->line_switch) || + (nid == cfg->input_pins[AUTO_PIN_MIC] && + spec->mic_switch)) + return; + } + /* if setting pin direction bits, clear the current direction bits first */ if (flag & (AC_PINCTL_IN_EN | AC_PINCTL_OUT_EN)) |