Re: Sound issues with Dell Latitude 7490 (kabylake)

From: David Wolfskill <david_at_catwhisker.org>
Date: Sat, 6 Oct 2018 05:04:27 -0700
On Wed, Oct 03, 2018 at 03:28:45PM +0200, Jakob Alvermark wrote:
> ...
> This is probably not a proper fix, but it helps to understand the problem.
> 
> Could you post the output of 'sysctl dev.hdaa' with and without the 
> patch so we can see what's different?
> .....

I have run:

	uname -a && sysctl dev.pcm dev.hdaa

for each of stable/11 and head, both unpatched and patched.  (The
"unpatched" versions were a bit older -- almost a week, for stable/11;
from back in August, for head -- but that does not appear to be
significant in the present case.)

The files are accessible from
<http://www.catwhisker.org/~david/FreeBSD/m4800/sound/>.

The sysctl output is the same for stable/11 & head:

g1-215(11.2-S)[9] foreach f ( sound_info_* )
foreach? echo -n "${f}: " && tail +2 $f | md5
foreach? end
sound_info_11_patched: 90c26fbae2031174656207f66e1a39ec
sound_info_11_unpatched: cb9239fb33901086f56527c22576097f
sound_info_12_patched: 90c26fbae2031174656207f66e1a39ec
sound_info_12_unpatched: cb9239fb33901086f56527c22576097f
g1-215(11.2-S)[12]

A unidiff for the "head" versions:

g1-215(11.2-S)[12] diff -u sound_info_12_{un,}patched
--- sound_info_12_unpatched     2018-10-06 04:04:36.041741000 -0700
+++ sound_info_12_patched       2018-10-06 04:00:26.681350000 -0700
_at__at_ -1,4 +1,4 _at__at_
-FreeBSD g1-215.catwhisker.org 12.0-ALPHA2 FreeBSD 12.0-ALPHA2 #276  r338043M/338043:1200078: Sun Aug 19 04:32:07 PDT 2018     root_at_g1-215.catwhisker.org:/common/S3/obj/usr/src/amd64.amd64/sys/CANARY  amd64
+FreeBSD g1-215.catwhisker.org 12.0-ALPHA8 FreeBSD 12.0-ALPHA8 #131 r339212M/339212: Sat Oct  6 03:52:20 PDT 2018     root_at_g1-215.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY  amd64
 dev.pcm.3.bitperfect: 0
 dev.pcm.3.buffersize: 65536
 dev.pcm.3.rec.vchanformat: s16le:2.0
_at__at_ -111,7 +111,7 _at__at_
      Widget cap: 0x00400781 PWR DIGITAL UNSOL STEREO
         Pin cap: 0x00000014 PDC OUT
      Pin config: 0x411111f0 as=15 seq=0 device=Speaker conn=None ctype=1/8 loc=Rear color=Black misc=1
-    Pin control: 0x00000000
+    Pin control: 0x00000040 OUT
     Connections: 1
           + <- nid=6 [audio output] [DISABLED]
 
_at__at_ -134,7 +134,7 _at__at_
      Widget cap: 0x0040058f PWR UNSOL STEREO
         Pin cap: 0x00003734 PDC OUT IN VREF[ 50 80 100 GROUND HIZ ]
      Pin config: 0x411111f0 as=15 seq=0 device=Speaker conn=None ctype=1/8 loc=Rear color=Black misc=1
-    Pin control: 0x00000000
+    Pin control: 0x00000020 IN
      Output amp: 0x80000000 mute=1 step=0 size=0 offset=0 (0/0dB)
       Input amp: 0x00270300 mute=0 step=3 size=39 offset=0 (0/30dB)
     Connections: 2
_at__at_ -147,7 +147,7 _at__at_
      Widget cap: 0x0040048b PWR UNSOL STEREO
         Pin cap: 0x00003724 PDC IN VREF[ 50 80 100 GROUND HIZ ]
      Pin config: 0x411111f0 as=15 seq=0 device=Speaker conn=None ctype=1/8 loc=Rear color=Black misc=1
-    Pin control: 0x00000000
+    Pin control: 0x00000020 IN
       Input amp: 0x00270300 mute=0 step=3 size=39 offset=0 (0/30dB)
 
 dev.hdaa.1.nid25_original: 0x01a1903e as=3 seq=14 device=Mic conn=Jack ctype=1/8 loc=Rear color=Pink misc=0
g1-215(11.2-S)[13] 

Peace,
david
-- 
David H. Wolfskill				david_at_catwhisker.org
Women (and decent men): vote against supporters of Trump's misogyny!

See http://www.catwhisker.org/~david/publickey.gpg for my public key.

Received on Sat Oct 06 2018 - 10:04:42 UTC

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