Messages in this thread |  | | Date | Wed, 06 Feb 2013 08:05:08 +0100 | From | Takashi Iwai <> | Subject | Re: 3.8-rc1 patch_cirrus 4.0 regression... |
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At Wed, 6 Feb 2013 08:47:41 +0800, Daniel J Blueman wrote: > > On 6 February 2013 01:40, Takashi Iwai <tiwai@suse.de> wrote: > > At Tue, 05 Feb 2013 17:34:15 +0100, > > Takashi Iwai wrote: > >> > >> At Wed, 6 Feb 2013 00:29:54 +0800, > >> Daniel J Blueman wrote: > >> > > >> > On 6 February 2013 00:16, Takashi Iwai <tiwai@suse.de> wrote: > >> > > At Wed, 6 Feb 2013 00:10:30 +0800, > >> > > Daniel J Blueman wrote: > >> > >> > >> > >> Hi Takashi, > >> > >> > >> > >> The v3.8-rc kernels have regressed from v3.7 with the quad-speaker > >> > >> arrangement on my Macbook Pro 10,1 - only the higher-frequency > >> > >> speakers work despite the front and rear channels being exposed in the > >> > >> mixer. > >> > > > >> > > Interesting. So you have a machine with 4.0 built-in speaker instead > >> > > of 2.1? Then we need to add a device-specific flag for it. Currently > >> > > the driver assumes 2.1 system blindly because majority of machines > >> > > have that. > >> > > > >> > > FWIW, the codec parser code has been totally rewritten for 3.9, so any > >> > > patch to 3.8 won't be applied to 3.9 (and vice versa)... > >> > > > >> > > Could you give alsa-info.sh output on 3.8 kernel? Then I'll try to > >> > > cook it for 3.9 (and maybe backport to 3.8). > >> > > >> > Here's the output from the current alsa-info.sh on 3.8-rc6 with the > >> > two cited patches reverted [1]; let me know if you'd like 3.8-rc6 > >> > pure. > >> > >> Thanks. > >> > >> > The sound is pretty impressive for a laptop when the low-frequecy > >> > speakers are enabled. > >> > >> Which program are you using for testing the surrounds? > >> I'm interested in it because the commit you reverted is basically > >> providing only an additional information for the channel map, and it > >> doesn't change anything else. It implies that some applications are > >> really referring to the chmap info. > > > > Or, it might be that the mixer value is simply not set correct. > > > > To be sure, could you try again 3.8-rc6 without reversing patches, > > adjust "Speaker" and "Bass Speaker" volumes properly, and retest? > > If it still doesn't work, please take alsa-info.sh snapshot at this > > state for comparing with the previous result. > > My apologies! We do now have "Bass Speaker" which affects both bass > speakers. It was always being restored to level 0 and works when set > up.
OK, good to know.
> There is a "Subwoofer" slider in addition to "Balance" and "Fade" in > the GNOME mixer UI which is greyed out; presumably this is intended as > the same mixer control?
I have no idea about GNOME stuff... David, do you know of this?
Takashi
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