ALSA: hda - initialize audio InfoFrame to be all zero

This patch initialized the local audio InfoFrame variable 'ai' to be all zero,
thus the data bytes will indicate "Refer to Stream Header" by default.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 994713c..4751eab 100644 (file)
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1064,6 +1064,7 @@ static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
 {
        union audio_infoframe ai;
 
+       memset(&ai, 0, sizeof(ai));
        if (conn_type == 0) { /* HDMI */
                struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;