On Wed, 02 Sep 2020 17:42:18 +0200, Kai Vehmanen wrote: > > From: Rander Wang <rander.wang@xxxxxxxxx> > > In snd_hdac_device_init pm_runtime_set_active is called to > increase child_count in parent device. But when it is failed > to build connection with GPU for one case that integrated > graphic gpu is disabled, snd_hdac_ext_bus_device_exit will be > invoked to clean up a HD-audio extended codec base device. At > this time the child_count of parent is not decreased, which > makes parent device can't get suspended. > > This patch calls pm_runtime_set_suspended to decrease child_count > in parent device in snd_hdac_device_exit to match with > snd_hdac_device_init. pm_runtime_set_suspended can make sure that > it will not decrease child_count if the device is already suspended. > > Signed-off-by: Rander Wang <rander.wang@xxxxxxxxx> > Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> > Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> > Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx> > Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx> > Signed-off-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx> Applied now. Thanks. Takashi
