ALSA: hda - hdmi: Do not expose eld data when eld is invalid

Previously, it was possible to read the eld data of the previous
monitor connected. This should not be allowed.

Also refactor the function slightly.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
David Henningsson 2013-02-19 16:11:23 +01:00 • committed by Takashi Iwai
commit 68e03de985