ALSA: hda - Don't send invalid volume knob command on IDT 92hd75bxx

Instead of blindly initializing a volume knob widget, first check
that there actually is a volume knob widget.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 5 insertions, 4 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 94040ccf8e8f..ea5775a1a7db 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4272,7 +4272,8 @@ static int stac92xx_init(struct hda_codec *codec)
         unsigned int gpio;
         int i;
 
-        snd_hda_sequence_write(codec, spec->init);
+        if (spec->init)
+                snd_hda_sequence_write(codec, spec->init);
 
         /* power down adcs initially */
         if (spec->powerdown_adcs)
@@ -5748,7 +5749,6 @@ again:
                 /* fallthru */
         case 0x111d76b4: /* 6 Port without Analog Mixer */
         case 0x111d76b5:
-                spec->init = stac92hd71bxx_core_init;
                 codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs;
                 spec->num_dmics = stac92xx_connected_ports(codec,
                                         stac92hd71bxx_dmic_nids,
@@ -5773,7 +5773,6 @@ again:
                         spec->stream_delay = 40; /* 40 milliseconds */
 
                 /* disable VSW */
-                spec->init = stac92hd71bxx_core_init;
                 unmute_init++;
                 snd_hda_codec_set_pincfg(codec, 0x0f, 0x40f000f0);
                 snd_hda_codec_set_pincfg(codec, 0x19, 0x40f000f3);
@@ -5788,7 +5787,6 @@ again:
 
                 /* fallthru */
         default:
-                spec->init = stac92hd71bxx_core_init;
                 codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs;
                 spec->num_dmics = stac92xx_connected_ports(codec,
                                         stac92hd71bxx_dmic_nids,
@@ -5796,6 +5794,9 @@ again:
                 break;
         }
 
+        if (get_wcaps_type(get_wcaps(codec, 0x28)) == AC_WID_VOL_KNB)
+                spec->init = stac92hd71bxx_core_init;
+
         if (get_wcaps(codec, 0xa) & AC_WCAP_IN_AMP)
                 snd_hda_sequence_write_cache(codec, unmute_init);