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>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 8e7948f56106c565aa7c68116baaa1cd143cb318..427da45d7906560f517e04de74c84ab971c0a50a 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -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;