ALSA: hda - hdmi: ELD shouldn't be valid after unplug

Currently, eld_valid is never set to false, except at kernel module
load time. This patch makes sure that eld is no longer valid when
the cable is (hot-)unplugged.

Cc: stable@kernel.org
Signed-off-by: David Henningsson <david.henningsson@canonical.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 b9af281..32adaa6 100644 (file)
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1176,6 +1176,7 @@ static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
                "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
                codec->addr, pin_nid, eld->monitor_present, eld_valid);
 
+       eld->eld_valid = false;
        if (eld_valid) {
                if (!snd_hdmi_get_eld(eld, codec, pin_nid))
                        snd_hdmi_show_eld(eld);