Raymond Yau wrote: > 2010/2/27 Angel Tsankov <fn42551@xxxxxxxxxxxxxxxx> > >> I'd also like to point out that in /etc/asound.state the values for >> control.48 are the maximum possible (if I interpret the values right), >> but when I stored the levels neither master, nor PCM was set to its >> maximum value. >> >> Regards, >> Angel Tsankov >> >> > That is the per voice volume control which use the hardware mixer in ymf754 The device in question is YMF724F. > chip instead of the mixer of ac97 codec > > ymf754 has 32 playback subdevices , each subdevices has one hardware mixer > volume control > > the values are set to 0dB by the driver when the subdevice is open , DSP can > mix 32 streams by hardware > > when the driver is loaded there are 32 controls which are inactive and the > total number of controls should more that those controls in asound.state > since those iface PCM "PCM playback volume controls" are not saved at > shutdown because all 32 controls are inactive when 32 subdevices are closed Angel Tsankov _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
