On Thu, 02 Feb 2017 18:02:15 +0100, Takashi Iwai wrote: > > The audio chicken bit (register offset 0x62f38) seems required to make > DP audio working on some machines. At least, on Dell Wyse 3040, I > failed to get the audio unless this bit is set once. > > Strangely, the bit seems necessary only once, and it persists after > that, even some power-off cycles. The register is supposedly > write-only, so it's no evidence whether the bit keeps effect > persistently. But, judging from the experiment, it looks enough to > set it up once at the device initialization. > > The patch is basically a cut from the original patch by Pierre-Louis > Bossart. > > Cc: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Sorry, this one is just a resend by mistake (I forgot to clean up while sending the other patch series). Please disregard. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
