[alsa-devel] [PATCH 00/16] ASoC: hdac_hdmi: Enable MST audio

[Vinod Koul]

On Tue, Feb 07, 2017 at 07:09:44PM +0530, jeeja.kp at intel.com wrote:
> From: Jeeja KP <jeeja.kp at intel.com>
> 
> With the patch series "ASoC: hdmi: Preparatory work to support MST audio",
> the design is extended from pin to port mapping to handle MST usecases.
> 
> A pin is MST capable if pipe is valid value (i.e. not -1) in the notify
> callback. If pipe = -1, default port is 0 else port = pipe. A MST capable
> pin widget is programmed by first sending a verb to select the device/port
> and then the actual verb is sent to program the widget.
> 
> This patch series enables MST Audio by configuring MST capable pins and
> extended the jack handling to report event for ports. Now the jack events
> are based on port connect/disconnect. The design is also extended to support
> mapping of multiple port to a single converter.
> 
> Now with the introduction of multiple ports with a single pin, a pin widget
> is created to enable/disable path based on device connection. Required
> machine driver changes are done to handle this change.
> 
> Also use the ASoC jack instead of snd_jack framework to creates jacks in
> the machine driver.
> 
> Note: This patch series has dependency on the series
> "ASoC: hdmi: Preparatory work to support MST audio"  

Acked-by: Vinod Koul <vinod.koul at intel.com>

-- 
~Vinod