From: Wang Xingchao <xingchao.wang@intel.com>
Date: Thu, 7 Jun 2012 08:52:07 +0000 (+0800)
Subject: ALSA: hda - check proper return value
X-Git-Tag: v3.6-rc1~117^2~7^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e076eb5c952c0f724980b44a77902a2ff93d098c;p=pandora-kernel.git

ALSA: hda - check proper return value

snd_hda_param_read() return value -1 means error, others are responses

Signed-off-by: Wang Xingchao <xingchao.wang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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