[ALSA] hda-codec - Fix input with STAC92xx

The recent fix for STAC92xx surround outputs broke the input pin
setting for shared line-in and mic jacks.  This patch fixes the
breakage.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 1527cb6..33fc7cd 100644 (file)
--- 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))