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    SubjectRe: No more Intel HDA soundcard
    At Sat, 28 Feb 2009 21:44:12 +0300,
    Alexey Dobriyan wrote:
    >
    > The following commit results in soundcard detection failing with -EBUSY
    >
    > commit 34c25350acfc792747e861d1e36874abf7e73255
    > Author: Takashi Iwai <tiwai@suse.de>
    > Date: Tue Oct 28 11:38:58 2008 +0100
    >
    > ALSA: hda - Remove old codec-probe limitation
    >
    > Removed the old workaround to avoid the non-existing codec slot.
    > The current code should work without that workaround. If any,
    > we can add a quirk table.
    >
    > Signed-off-by: Takashi Iwai <tiwai@suse.de>
    >
    > I fixed up this (and got sound back) but suspect the following is not right.
    >
    > --- a/sound/pci/hda/hda_intel.c
    > +++ b/sound/pci/hda/hda_intel.c
    > @@ -1224,6 +1224,7 @@ static void azx_stop_chip(struct azx *chip);
    >
    > /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
    > static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
    > + [AZX_DRIVER_ICH] = 3,
    > [AZX_DRIVER_TERA] = 1,
    > };

    Right, it's no good solution as you expected ;)
    The problem is that your patch will disable the all HDMI devices that are
    newly supported on 2.6.29.

    Is your machine Toshiba X200, found in bug 12735 ??
    http://bugzilla.kernel.org/show_bug.cgi?id=12735

    If yes, could you try the patch below?

    Also, it'd be helpful if you can try sound git tree (master branch):
    git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
    that contains the very latest driver. This should work as is.


    thanks,

    Takashi

    ---
    From ea525d89f74737ebc3674184c6d3c30f9e7c7a6f Mon Sep 17 00:00:00 2001
    From: Takashi Iwai <tiwai@suse.de>
    Date: Sun, 1 Mar 2009 10:55:44 +0100
    Subject: [PATCH] ALSA: hda - Add probe_mask default for Toshiba laptop with ALC268

    Some Toshiba laptops have another ALC268 codec on slot#3 that conflicts
    with the primary codec. The codec#3 is for the digital I/O, and should
    be fixed by the driver, but it'd need a bunch of changes.

    So, let's fix the probe problem temporarily by setting the default
    probe_mask value.

    Reference: kernel bugzilla #12735
    http://bugzilla.kernel.org/show_bug.cgi?id=12735

    Signed-off-by: Takashi Iwai <tiwai@suse.de>
    ---
    sound/pci/hda/hda_intel.c | 2 ++
    1 files changed, 2 insertions(+), 0 deletions(-)

    diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
    index c8d9178..5e909e0 100644
    --- a/sound/pci/hda/hda_intel.c
    +++ b/sound/pci/hda/hda_intel.c
    @@ -2095,6 +2095,8 @@ static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
    SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
    /* including bogus ALC268 in slot#2 that conflicts with ALC888 */
    SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
    + /* conflict of ALC268 in slot#3 (digital I/O); a temporary fix */
    + SND_PCI_QUIRK(0x1179, 0xff00, "Toshiba laptop", 0x03),
    {}
    };

    --
    1.6.1.3


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