HDA sound driver mod for sigmatel 92xx

Boris Samorodov bsam at ipt.ru
Thu Jul 13 10:05:40 UTC 2006


On Wed, 12 Jul 2006 22:34:05 -0500 Eric Anderson wrote:

> On 07/12/06 20:46, Wesley Morgan wrote:
> > On Wed, 12 Jul 2006, Eric Anderson wrote:
> >
> >> On 07/12/06 20:04, Wesley Morgan wrote:
> >>> On Wed, 12 Jul 2006, Eric Anderson wrote:
> >>>
> >>>> On 07/09/06 09:11, Wesley Morgan wrote:
> >>>>>
> >>>>> With a little help from the netbsd azalia driver (a wonderful
> >>>>> piece of work, by the way) and the hda specs, I've been able to
> >>>>> get Andrea's hdac code to work with my laptop. I believe the
> >>>>> problem was that the codec and dac started out in some kind of
> >>>>> low-power mode and needed to be woken up before they would work.
> >>>>>
> >>>>> Hopefully someone is still working on a proper driver, but for
> >>>>> now, I can watch movies again!
> >>>>>
> >>>>> A diff against Andrea's work is attached.
> >>>>
> >>>>
> >>>> I couldn't get this patch to work - all hunks fail.  What am I
> >>>> doing wrong?
> >>>
> >>> Make sure your mailer didn't wrap long lines? It applies cleanly
> >>> for me. I've attached a newer diff that makes the mixer work
> >>> properly as well, but it's hard-coded to the correct widget for me
> >>> so it might not work for everyone.
> >>
> >> Well, it must be my hdac.tgz then, because the attached patch looks
> >> fine, but still fails poorly.  Maybe a pointer to the hdac.tgz you
> >> used, and an md5 sum would do the trick..
> >
> > The original hdac.tgz posted by Andrea, I believe can be found at:
> >
> > http://darkircop.org/hdac.tgz
> >
> >

> [root at neutrino /tmp/freebsd]# fetch http://darkircop.org/hdac.tgz
> hdac.tgz                                      100% of  122 kB  151 kBps
> [root at neutrino /tmp/freebsd]# tar xvzf hdac.tgz
> x hdac
> x hdac/hdac.c
> x hdac/hdac_reg.h
> x hdac/hdac.h
> x hdac/hda_reg.h
> x hdac/hdac_private.h
> x hdac/Makefile
> x hdac/hdac.z~
> x hdac/calc.core
> x hdac/hdac.y~
> x hdac/hdac.c~
> x hdac/hdac.c.bak
> x hdac/.hda_reg.h.swp
> [root at neutrino /tmp/freebsd]# cd hdac
> [root at neutrino /tmp/freebsd/hdac]# patch < ../hdac.diff
> Hmm...  Looks like a unified diff to me...
> The text leading up to this was:
> --------------------------
> |diff -urb hdac/hdac.c hdac-sigma/hdac.c
> |--- hdac/hdac.c        Mon Jun  5 15:15:12 2006
> |+++ hdac-sigma/hdac.c  Wed Jul 12 21:02:32 2006
> --------------------------
> Patching file hdac.c using Plan A...
> Hunk #1 failed at 247.
> Hunk #2 failed at 261.
> Hunk #3 succeeded at 1879 with fuzz 2 (offset 1605 lines).
> Hunk #4 failed at 2396.
> Hunk #5 failed at 2430.
> Hunk #6 failed at 2472.
> Hunk #7 failed at 2517.
> Hunk #8 failed at 2568.
> Hunk #9 failed at 2597.
> Hunk #10 failed at 2893.
> Hunk #11 failed at 3233.
> 10 out of 11 hunks failed--saving rejects to hdac.c.rej
> done
> [root at neutrino /tmp/freebsd/hdac]#

Just in case: make sure you don't have CRLFs at line endings of your
patch.


WBR
-- 
Boris Samorodov (bsam)
Research Engineer, http://www.ipt.ru Telephone & Internet SP
FreeBSD committer, http://www.FreeBSD.org The Power To Serve


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