• Anssi Hannula's avatar
    ALSA: hda - hdmi: Fix missing ELD change event on plug/unplug · 6acce400
    Anssi Hannula authored
    The ELD ALSA control change event is sent by hdmi_present_sense() when
    eld_changed is true.
    
    Currently, it is only true when the ELD buffer contents have been
    modified. However, the user-visible ELD controls also change to a
    zero-length value and back when eld_valid is unset/set, and no event is
    currently sent in such cases (such as when unplugging or replugging a
    sink).
    
    Fix the code to always set eld_changed if eld_valid value is changed,
    and therefore to always send the change event when the user-visible
    value changes.
    Signed-off-by: default avatarAnssi Hannula <anssi.hannula@iki.fi>
    Cc: David Henningsson <david.henningsson@canonical.com>
    Cc: <stable@vger.kernel.org> # 3.9+
    Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
    6acce400
patch_hdmi.c 95.8 KB