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    SubjectRe: realtek ALC272 support
    At Wed, 29 Apr 2009 09:02:41 -0400,
    Andres Salomon wrote:
    >
    > On Wed, 29 Apr 2009 08:33:28 +0200
    > Takashi Iwai <tiwai@suse.de> wrote:
    >
    > > At Tue, 28 Apr 2009 18:21:55 -0400,
    > > Andres Salomon wrote:
    > > >
    > > > On Tue, 28 Apr 2009 15:41:08 -0400
    > > > Andres Salomon <dilinger@queued.net> wrote:
    > > >
    > > > > On Mon, 27 Apr 2009 18:08:21 +0200
    > > > > Takashi Iwai <tiwai@suse.de> wrote:
    > > > >
    > > > [...]
    > > > > > > > > > > > At Fri, 24 Apr 2009 15:24:15 -0400,
    > > > > > > > > > > > Andres Salomon wrote:
    > > > > > > > > > > > >
    > > > > > > > > > > > > Hi Kailang,
    > > > > > > > > > > > >
    > > > > > > > > > > > > I noticed that your name was on the ALC272 support
    > > > > > > > > > > > > patch for ALSA intel-hda. This patch basically
    > > > > > > > > > > > > sets ALC272 to use (mostly) the same code as
    > > > > > > > > > > > > ALC662. I have two machines that have ALC272,
    > > > > > > > > > > > > and both of them need verb tables in order to
    > > > > > > > > > > > > function. I'm wondering if ALC662 should really
    > > > > > > > > > > > > be used..
    > > > > > > > > > > > >
    > > > > > > > > > > > > Here's one -
    > > > > > > > > > > > >
    > > > > > > > > > > > > http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-hardy-lum.git;a=commitdiff;h=7662834bb9a78d244c6d7ee43358c14c94d249c9
    > > > > > > > > > > > >
    > > > > > > > > > > > > This isn't the final version of the patch (there
    > > > > > > > > > > > > are further commits I made in order to support
    > > > > > > > > > > > > headphone mic stuff), but it gives you an idea of
    > > > > > > > > > > > > the codec values. The other is:
    > > > > > > > > > > > >
    > > > > > > > > > > > > http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-hardy-lum.git;a=commitdiff;h=72ff85641a30dc7ac502e2ea01bf14a04efb4cf1
    > > > > > > > > > > > >
    > > > > > > > > > > > > All of these leave me wonder if there's a specific
    > > > > > > > > > > > > patch_alc272 function that could be written to rid
    > > > > > > > > > > > > ourselves of these specific quirks. Are there
    > > > > > > > > > > > > machines with ALC272 that are functional with the
    > > > > > > > > > > > > current ALSA code?
    > > > > > > > > > > >
    > > > [...]
    > > > > >
    > > > > > Could you try sound-unstable tree a bit later again?
    > > > > > I found a bug in my patch, and fixed and updated GIT tree now.
    > > > > > At least, the headphone plugging should work now.
    > > > > >
    > > > > > The mic auto-detection still doesn't work with model=auto,
    > > > > > though. So, I'm going to take your patch anyway later. But I
    > > > > > just wanted to be sure that the current tree could work somehow
    > > > > > better...
    > > > > >
    > > > >
    > > > > Hi,
    > > > >
    > > > > I just updated and tried the current tree; still no
    > > > > sound/headphone output. :(
    > > >
    > > >
    > > > Ok, I believe I've made some progress on this. The problem appears
    > > > to be related to the autoconfig handling of the line out nids. The
    > > > current code ends up with something like the following:
    > > >
    > > > ALSA sound/pci/hda/hda_codec.c:3833: autoconfig: line_outs=1
    > > > (0x17/0x0/0x0/0x0/0x0)
    > > > ALSA sound/pci/hda/hda_codec.c:3837: speaker_outs=0
    > > > (0x0/0x0/0x0/0x0/0x0)
    > > > ALSA sound/pci/hda/hda_codec.c:3841: hp_outs=1
    > > > (0x21/0x0/0x0/0x0/0x0) ALSA sound/pci/hda/hda_codec.c:3842:
    > > > mono: mono_out=0x0 ALSA sound/pci/hda/hda_codec.c:3853: inputs:
    > > > mic=0x18, fmic=0x19, line=0x0, fline=0x0, cd=0x0, aux=0x0
    > > >
    > > > However, NID 0x17 is actually a speaker_out. The code that checks
    > > > for line_outs in snd_hda_parse_pin_def_config() unsets the
    > > > speaker_out and uses that NID for a line_out. For whatever reason,
    > > > this breaks things (no sound output, no headphone out).
    > >
    > > That's intentional, and the driver checks that case, too.
    > > Please check the latest sound git tree and see the kernel message.
    > > You should have messages like "realtek: ..."
    > >
    > >
    > > Takashi
    >
    >
    > The realtek: lines don't appear to affect NID 0x17 at all. Instead,
    > they say:
    >
    > ALSA sound/pci/hda/patch_realtek.c:1154: realtek: No valid SSID, checking pincfg 0x40178e2d for NID 0x1d
    > ALSA sound/pci/hda/patch_realtek.c:1170: realtek: Enabling init ASM_ID=0x8e2d CODEC_ID=10ec0272
    > ALSA sound/pci/hda/patch_realtek.c:1111: realtek: Enable HP auto-muting on NID 0x21

    Then 0x17 should be toggled when the jack on 0x21 is detected.


    Takashi


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