At Fri, 23 Jan 2009 11:08:23 -0800, John Utz wrote: > > using exchange webmail today, sorry. > > -----Original Message----- > From: Takashi Iwai [mailto:tiwai@xxxxxxx] > Sent: Fri 1/23/2009 5:56 AM > To: Clemens Ladisch > Cc: John Utz; ALSA Developers > Subject: Re: CMI8788/AV200/Oxygen Volume Controls in alsamixer > (oxygen_mixer.c:dac_volume_get()) > > At Fri, 23 Jan 2009 14:51:31 +0100, > Clemens Ladisch wrote: > > > > John L. Utz III wrote: > > > It appears to me that these functions are attempting to work on all of > > > the channels at once instead of just choosing Master, Front, Rear, > > > Surround, or what have you: > > > > Yes, the "Master" control is one control with eight channels. > > > > > this leads to a rather awkward result in alsamixer where there are 5 > > > volume controls called "Master": > > > > > > < Master > Master Master Master Master > > > > > > IMHO, it would be more desirable for them to say: > > > > > > < Master > Front C/LFE Surround Rear Surr > > > > Yes. > > > > Alsamixer chooses to display an eight-channel control this way. This > > can be considered a bug in alsamixer. > > The current ALSA mixer abstraction splits the multi-channels into > separate paired channels. But alsamixer can't show the channel name > due to its UI design. And I guess other mixer apps don't handle them > properly, too (who would care?). > > A solution would be make individual control like "Front", and create a > virtual master control. > > JU a virtual control in the conf file or in the driver? In the driver. See sound/core/vmaster.c. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
