On Fri, 06 Sep 2019 11:33:43 +0200, Sergey Bostandzhyan wrote: > > This notebook has 6 built in speakers for 5.1 surround support, however > only two got autodetected and have also not been assigned correctly. > > This patch enables all speakers and also fixes muting when headphones are > plugged in. > > The speaker layout is as follows: > > pin 0x15 Front Left / Front Right > pin 0x18 Front Center / Subwoofer > pin 0x1b Rear Left / Rear Right (Surround) > > The quirk will be enabled automatically on this hardware, but can also be > activated manually via the model=aspire-ethos module parameter. > > Caveat: pin 0x1b is shared between headphones jack and surround speakers. > When headphones are plugged in, the surround speakers get muted > automatically by the hardware, however all other speakers remain > unmuted. Currently it's not possible to make use of the generic automute > function in the driver, because such shared pins are not supported. > > If we would change the pin settings to identify the pin as headphones, > the surround channel and thus the ability to select 5.1 profiles would > get lost. > > This quirk solves the above problem by monitoring jack state of 0x1b and > by connecting/disconnecting all remaining speaker pins when something > gets plugged in or unplugged from the headphones jack port. > > Signed-off-by: Sergey Bostandzhyan <jin@xxxxxxxxxxxx> Applied now. Thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
