[alsa-devel] [PATCH] ALSA: hda: Add Lenovo C50 All in one to the power_save blacklist

Takashi Iwai tiwai at suse.de
Sun May 13 09:24:52 CEST 2018


On Sun, 13 May 2018 09:20:10 +0200,
Hans de Goede wrote:
> 
> Hi Takashi,
> 
> On 05/13/2018 09:09 AM, Takashi Iwai wrote:
> > On Tue, 08 May 2018 09:27:46 +0200,
> > Hans de Goede wrote:
> >>
> >> Power-saving is causing loud plops on the Lenovo C50 All in one, add it
> >> to the blacklist.
> >>
> >> BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1572975
> >> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> >
> > Before adding to blacklist, could you try some usual suspects?
> > For Lenovo, you can try at first to pass
> >    model=,tpt440
> > to snd-hda-intel module.
> >
> > (the first comma is no typo but to pass the model name to the second
> >   controller for Realtek.)
> >
> > The above will add some bogus dock jacks, so it's no solution but to
> > just to test whether it avoids the clicking noise.
> 
> Sure, note I'm just forwarding these bugs from Fedora reporters,
> more often then not I don't have access to the hardware myself.
> 
> I always add a BugLink tag to the bug, so perhaps next time you
> can reach out to the reporter directly ? I've forwarded your
> request this time.

Heh, I'd need to create a fedora bugzilla account at first ;-)
But will try at the next time.

At this time, I'm currently processing the pending stuff during my
vacation in the last week, so in anyway, it'd be great if you can let
people testing in your side.

> I also always ask for alsa-info.sh output, so following the BugLink
> will also give you access to that.

Yes, alsa-info.sh output helps really a lot for debugging, thanks for
asking it!


Takashi


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