At Sun, 29 Apr 2007 17:14:21 +0100 (BST), Daniel Drake wrote: > > After resume from suspend-to-RAM, there is no sound output from my Intel HDA > hardware: > > 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition > Audio Controller (rev 01) > Found in a Dell Inspiron 640m, SigmaTel STAC9200 chip. > > After resuming, sound immediately returns when you adjust the volume one notch > in either direction. I reported this on the ALSA bug tracker (#0002989). > > Further investigation shows that the AC_VERB_SET_AMP_GAIN_MUTE verb is not > being executed during resume, which seems strange. Does other hardware really > store this value during a suspend/resume cycle? Or maybe the volume is > generally controlled through other means on other setups? I'm not entirely > sure what the difference is between kcontrol and kcontrol_new structures, but > I note that there is already some code to restore the values for kcontrol_new > elements. > > I solved the issue with the following patch. Is it correct? The controls should have been restored by snd_hda_resume_ctls() call in stac92xx_resume(), so basically your patch must be suprefluous. Could you check whether this gets called? Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
