Mario Limonciello wrote: > Hi Takashi: > > Takashi Iwai wrote: >> If "Surround" doesn't do anything, why should it be there? >> And, does "Headphone" change both headphones even with 4 or 6 ch outputs >> properly? Doesn't "Headhpone" change any other output volumes? >> > I found what the surround mixer is being used for. If "Mic as Output" is > turned on, "Surround" acts as the mixer to control that jack. > Correct. The the reason the headphone mixer isn't created without my patch is the "mic as output" and "line in as output" switches. > The Headphone mixer changes both of the regular headphone jack's > volumes. Changing the "Headphone" volume doesn't affect the speaker > outputs at all, only the two headphone jacks. >> The patch introduces another exception, and now nobody would understand >> how the channels and outputs and mixers are assigned together. >> > Two points: > 1) I'm not sure this is as much of a problem as you raise. I don't > believe many people even know how the channels and mixers are assigned > in the first place. I see plenty of support requests for "why doesn't > this second headphone jack work with headphones". I've never seen one of > "I can't hook up my 7.1 surround system to my consumer grade laptop and > have all of my speakers work". These machines come with DisplayPort and > HDMI ports which people will generally be using for hooking up to their > television sets. I seem to think it's not very common to use the > analogue jacks to independently hook up pairs of speakers assigned to > say Front or Surround. > 2) You are still able to hook up a separate set of speakers to the mic > output jack and since those are assigned surround have things work as > expected. > >> Hm, I thought I did. Which patch exactly? >> >> > The patch title was [PATCH] hda: Add STA_DELL_S14 quirk. Here's the > starting part of it: > > Add STAC_DELL_S14 quirk for new laptop series. Removed un-needed pins in pin_nids > for stac92hd83xxx. Also reorganized connection selection code for the respective ports > per quirk define. > > --- > sound/pci/hda/patch_sigmatel.c <imap://mario_limonciello@xxxxxxxxxxxxxxxx:143/fetch%3EUID%3E/INBOX%3E13699#sound/pci/hda/patch_sigmatel.c> | 52 +++++++++++++++++++++++++++------------- > > > 1 files changed, 35 insertions(+), 17 deletions(-) > > > You responded to the mail saying it was applied, but I seem to not be > able to find it in current ALSA git. > > Regards _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
