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ALSA: hda - bug fix on return value when getting HDMI ELD info

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In function snd_hdmi_get_eld(), the variable 'ret' should be initialized to 0.
Otherwise it will be returned uninitialized as non-zero after ELD info is got
successfully. Thus hdmi_present_sense() will always assume ELD info is invalid
by mistake, and /proc file system cannot show the proper ELD info.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: stable@vger.kernel.org
Acked-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mengdong Lin 2013-03-28 05:20:22 -04:00 committed by Takashi Iwai
parent ea019fdf1a
commit 2ef5692efa
1 changed files with 1 additions and 1 deletions
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2
sound/pci/hda/hda_eld.c
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@ -320,7 +320,7 @@ int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid,
unsigned char *buf, int *eld_size)
{
int i;
int ret;
int ret = 0;
int size;
/*