[alsa-devel] [PATCH] ALSA: hdac: clear link output stream mapping

[Takashi Iwai]

On Mon, 30 Sep 2019 16:29:45 +0200,
Pierre-Louis Bossart wrote:
> 
> From: Rander Wang <rander.wang at linux.intel.com>
> 
> Fix potential DMA hang upon starting playback on devices in HDA mode
> on Intel platforms (Gemini Lake/Whiskey Lake/Comet Lake/Ice Lake). It
> doesn't affect platforms before Gemini Lake or any Intel device in
> non-HDA mode.
> 
> The reset value for the LOSDIV register is all output streams valid.
> Clear this register to invalidate non-existent streams when the bus
> is powered up.
> 
> Signed-off-by: Rander Wang <rander.wang at linux.intel.com>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>

Applied now.  Thanks.


Takashi