ALSA: hda - hdmi: ELD shouldn't be valid after unplug
David Henningsson [Tue, 19 Feb 2013 15:11:22 +0000 (16:11 +0100)]
commit bbfd8a19b6913f50a362457c34d49bfafe5e456e upstream.

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 This patch makes sure that eld is no longer valid when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.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

sound/pci/hda/patch_hdmi.c

index f694dd7..02a6e3f 100644 (file)
@@ -993,6 +993,7 @@ 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);