[alsa-devel] [PATCH] ALSA: hda - initialize audio InfoFrame to be all zero

mengdong.lin at intel.com mengdong.lin at intel.com
Tue Mar 11 22:12:52 CET 2014

From: Mengdong Lin <mengdong.lin at intel.com>

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 at intel.com>

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 5ef9503..3ab7063 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1062,6 +1062,7 @@ 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;

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