On Sun, 29 Mar 2020 16:20:49 +0200, laurent Trinques wrote: > > Le dimanche 29 mars 2020, 10:50:53 CEST Takashi Iwai a écrit : > > On Sat, 07 Mar 2020 14:00:26 +0100, > > > > laurent Trinques wrote: > > > Hello, > > > > > > sudo dmesg -lerr -lcrit > > > > > > [ 0.386478] ACPI BIOS Error (bug): Failure creating named object > > > [\_SB.I2CA.WT1A], AE_ALREADY_EXISTS (20191018/dswload2-323) > > > > (snip) > > > > > [ 2.545332] Error: Driver 'pcspkr' is already registered, aborting... > > > > All those are irrelevant with the sound problem. > > > > > [ 2.572542] snd_hda_intel 0000:23:00.4: no codecs found! > > > > I guess this is a known "problem", the strange hardware implementation > > where exposing the dummy HD-audio bus with non-existing codec. So > > this can be ignored as well (maybe we can blacklist the PCI ID for > > ignoring more properly). > > > > The real issue is: > > > [ 8.169209] usb 7-5: cannot get ctl value: req = 0x83, wValue = 0xc00, > > > wIndex = 0x1300, type = 4 > > > [ 8.169214] usb 7-5: 19:0: cannot get min/max values for control 12 (id > > > 19) > > So it's likely a USB audio firmware that doesn't behave correctly as > > advertised, and we'd need a workaround. > > > > Could you give lsusb -v output for this device? > > Yes > Bus 007 Device 002: ID 0db0:543d Micro Star International USB Audio > > See attached output. Thanks. This looks like the same issue as reported by others. https://bugzilla.kernel.org/show_bug.cgi?id=206543 Could you try two patches found in the bugzilla above? thanks, Takashi
