Hi Takashi, hda-verb /dev/snd/hwC0D0 0x20 0x500 0xf hda-verb /dev/snd/hwC0D0 0x20 0x400 0x7774 This will enable HP out. Asus more platform use this. BR, Kailang > -----Original Message----- > From: Takashi Iwai <tiwai@xxxxxxx> > Sent: Tuesday, June 2, 2020 8:42 PM > To: Hans de Goede <hdegoede@xxxxxxxxxx> > Cc: Kailang <kailang@xxxxxxxxxxx>; c <kai.heng.feng@xxxxxxxxxxxxx>; > alsa-devel@xxxxxxxxxxxxxxxx; nuno.dias@xxxxxxxxx > Subject: Re: Fixing sound on Asus UX534F / some UX533 models > > On Tue, 02 Jun 2020 11:51:49 +0200, > Hans de Goede wrote: > > > > Hi Kai-Heng Feng, Takashi, > > > > I see that you are on the notification list for this bug: > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1850439 > > > > So you may have already seen this. Some owners of affected laptops > > (which have non working speakers / headphone output atm), have done > > some heroic debugging work and come up with a set of > > 2 hda-verb commands which fix this. > > > > I'm not all that familiar with writing hda quirks, so I was hoping > > that one of you 2 can come up with a patch to fix this at the kernel > > level. > > > > This would also resolve these 2 bugs, which I believe are the same bug > > really: > > > > https://bugzilla.kernel.org/show_bug.cgi?id=206289 > > https://bugzilla.redhat.com/show_bug.cgi?id=1834751 > > Adding verbs are trivial and it can be done even without patching kernel but > providing by a patch via patch module option of snd-hda-intel driver. > > But, before moving forward, I'd like to confirm about the correctness (and the > safeness) of those verbs. > > Kailang, could you check the COEF verbs mentioned in the bug entry above? > > > thanks, > > Takashi > > ------Please consider the environment before printing this e-mail.