[alsa-devel] Bug report for changes in ucm2 with chtrt5645 card on Lenovo Miix 320

[Tim Schumacher]

Thanks for the fix. I don't want to compile ALSA myself so I can't test
it unfortunately. I will see if it works after the next ALSA release and
report back here in case it shouldn't work.

- Tim

On 2020-01-15, Jaroslav Kysela wrote:
> Dne 14. 01. 20 v 18:38 Tim Schumacher napsal(a):
> > Hi,
> > 
> > sending the mail CC to the mailing list again because I messed this up
> > last time. This is the output from 'alsaucm -c hw:0 set _verb HiFi'.
> > 
> > ALSA lib utils.c:261:(uc_mgr_config_load) could not open configuration file /usr/share/alsa/ucm2/LENOVO-80XF-LenovoMIIX320_10ICR-LNVNB161216/HiFi-dmic2.conf
> > ALSA lib parser.c:1190:(parse_verb_file) error: failed to open verb file /usr/share/alsa/ucm2/LENOVO-80XF-LenovoMIIX320_10ICR-LNVNB161216/HiFi-dmic2.conf : -2
> > ALSA lib main.c:960:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -2
> > alsaucm: error failed to open sound card hw:0: No such file or directory
> 
> Thanks. This commit for alsa-lib should fix this issue:
> 
> https://github.com/alsa-project/alsa-lib/commit/b34715004f4a1aabb85c5b9f03ba9f200638ee97
> 
> 					Jaroslav
> > 
> > - Tim
> > 
> > On 2020-01-13, Jaroslav Kysela wrote:
> > > Dne 13. 01. 20 v 15:27 Tim Schumacher napsal(a):
> > > > The patch doesn't help unfortunately. Deleting
> > > > LENOVO-80XF-LenovoMIIX320_10ICR-LNVNB161216.conf still works with the
> > > > patch installed. Can I help debug this somehow?
> > > 
> > > If you have latest alsa-utils, the command 'alsaucm dump text' should work,
> > > otherwise try 'alsaucm set _verb HiFi'.
> > > 
> > > 					Jaroslav
> > > 
> > > > 
> > > > - Tim
> > > > 
> > > > On 2020-01-13, Jaroslav Kysela wrote:
> > > > > Dne 09. 01. 20 v 23:10 Tim Schumacher napsal(a):
> > > > > > Hi alsa devs,
> > > > > > 
> > > > > > I'm on Arch Linux on a rather uncommon laptop (Lenovo Miix 320) and my sound
> > > > > > stopped working on the upgrade from alsa-lib 1.1.9 to 1.2.1. wabbits on
> > > > > > IRC helped me track down the problem to a change in the
> > > > > > /usr/share/alsa/ucm (now /usr/share/alsa/ucm2) files. It seems like
> > > > > > /usr/share/alsa/ucm2/chtrt5645/HiFi-dmic2.conf and a symlink at
> > > > > > /usr/share/alsa/ucm2/chtrt5645/LENOVO-80XF-LenovoMIIX320_10ICR-LNVNB161216.conf
> > > > > > were specifically added for this laptop but in the contrary they break the
> > > > > > sound for me.
> > > > > > 
> > > > > > After the upgrade to alsa-lib 1.2.1 the sound is not working. The commands play no sound:
> > > > > > 
> > > > > >        pasuspender -- speaker-test --nloops=1 --channels=2 --test=wav --device=hw:0,0
> > > > > >        pasuspender -- speaker-test --nloops=1 --channels=2 --test=wav --device=hw:0,1
> > > > > > 
> > > > > > And this is the alsa-info.sh output http://alsa-project.org/db/?f=f883910a5c5101b4b1ea4202d1fe84ccd139f796
> > > > > > 
> > > > > > After deleting the /usr/share/alsa/ucm2/chtrt5645/LENOVO-80XF-LenovoMIIX320_10ICR-LNVNB161216.conf
> > > > > > symlink both commands from above play sound and this is the alsa-info.sh
> > > > > > output http://alsa-project.org/db/?f=e759eb9118a191b6c3b8c021fed58abc9cf95076
> > > > > 
> > > > > Thanks. I forgot to fix the file path in chtrt5645/chtrt5645-dmic2.conf .
> > > > > Could you test this patch?
> > > > > 
> > > > > https://github.com/alsa-project/alsa-ucm-conf/commit/74f2a0f0884df7b9f2d08d07456a3bc37d1a512e
> > > > > 
> > > > > 				Jaroslav
> > > > > 
> > > > > -- 
> > > > > Jaroslav Kysela <perex at perex.cz>
> > > > > Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
> > > > > 
> > > 
> > > 
> > > -- 
> > > Jaroslav Kysela <perex at perex.cz>
> > > Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
> > > 
> 
> 
> -- 
> Jaroslav Kysela <perex at perex.cz>
> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
>