On Thu, Feb 02, 2017 at 10:57:30AM +0100, Takashi Iwai wrote: > On Tue, 31 Jan 2017 22:36:44 +0100, > Takashi Iwai wrote: > > > > From: Pierre-Louis Bossart <pierre-louis.boss...@linux.intel.com> > > > > Enable unmute/mute amp notification. This doesn't seem to affect > > HDMI support so this is done unconditionally. > > > > An earlier version of this patch set a chicken bit at address 0x62F38 > > prior to the mute/unmute but this register doesn't seem to do anything > > so this phase was removed. > > Sorry, this seems like a wrong result. It worked yesterday, but when > I retested the latest code today, it didn't work any longer. > Then, after setting the chicken bit, it starts working again. > > But now I can't make it broken again. Turn off the monitor, turn off > the machine, DPMS off, suspend/resume... All still works without > chicken bit set. > > Also, the chicken bit of the register 0x62f38 couldn't be read back. > The register always returns zero when read.
The docs do say it's write-only actually. -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx