0315c89b25
Allow codec driver register callback function for plug event. The callback registration flow: dw-hdmi <--- hw-hdmi-i2s-audio <--- hdmi-codec dw-hdmi-i2s-audio implements hook_plugged_cb op so codec driver can register the callback. dw-hdmi exports a function dw_hdmi_set_plugged_cb so platform device can register the callback. When connector plug/unplug event happens, report this event using the callback. Make sure that audio and drm are using the single source of truth for connector status. Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org> Link: https://lore.kernel.org/r/20191028071930.145899-2-cychiang@chromium.org Signed-off-by: Mark Brown <broonie@kernel.org> (cherry picked from commit a9c82d63ca4819d3d03964dbf4aa427b36c5a67f) Change-Id: Ieea468bf53165e2436996b453b048db049bcbf67 Signed-off-by: XiaoTan Luo <lxt@rock-chips.com>