On Fri, 01 Sep 2017 09:48:52 +0200, Kuninori Morimoto wrote: > > > Hi Takashi > > > > Driver should stop all working stream when .remove timing. > > > Current Renesas sound driver is assuming that all stream was > > > stopped when .remove but it was wrong. > > > This patch stops all working stream when .remove, otherwise > > > kernel will get damage for example in below case. > > > Special thanks to Truong, Hiep > > > > > > > cd /sys/bus/platform/drivers/rcar_sound > > > > aplay xxx.wav & > > > > echo ec500000.sound > unbind > > > > > > Reported-by: Hiep Cao Minh <cm-hiep@xxxxxxxxxxx> > > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > > > The lack of stop sync is a known problem in the ALSA PCM > > infrastructure. The standard idiom is to do sync at both prepare and > > hw_free (or close) callbacks. > > Thanks. > This path main sync is for clk ON/OFF Hm, but it's managed as PCM trigger, no? How can the rsnd_io_is_working() return true after PCM streams are stopped? Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
