On Thu, 03 Oct 2019 06:39:19 +0200, Kai-Heng Feng wrote: > > Headphone on XPS 9350/9360 produces a background white noise. The The > noise level somehow correlates with "Headphone Mic Boost", when it sets > to 1 the noise disappears. However, doing this has a side effect, which > also decreases the overall headphone volume so I didn't send the patch > upstream. > > The noise was bearable back then, but after commit 717f43d81afc ("ALSA: > hda/realtek - Update headset mode for ALC256") the noise exacerbates to > a point it starts hurting ears. > > So let's use the workaround to set "Headphone Mic Boost" to 1 and lock > it so it's not touchable by userspace. > > Fixes: 717f43d81afc ("ALSA: hda/realtek - Update headset mode for ALC256") > BugLink: https://bugs.launchpad.net/bugs/1654448 > BugLink: https://bugs.launchpad.net/bugs/1845810 > Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx> Applied now. Thanks. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel