ALSA: hda - Fix a complile warning in patch_via.c

  sound/pci/hda/patch_via.c:2087: warning: 'dac' may be used uninitialized in this function

Signed-off-by: Wang Shaoyan <wangshaoyan.pt@taobao.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 84d8798bf33aea5f0e3f864930a67ce2b860b56f..4ebfbd874c9a81db01fe3961c5d1c65656735ab5 100644 (file)
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -2084,7 +2084,7 @@ static int via_auto_create_speaker_ctls(struct hda_codec *codec)
        struct via_spec *spec = codec->spec;
        struct nid_path *path;
        bool check_dac;
-       hda_nid_t pin, dac;
+       hda_nid_t pin, dac = 0;
        int err;
 
        pin = spec->autocfg.speaker_pins[0];