Re: [RFC PATCH v8 4/4] sound/usb: Use Media Controller API to share media resources

[shuah]

Hi Hans,

On 11/20/18 4:54 AM, Hans Verkuil wrote:
> On 11/02/2018 01:31 AM, shuah@xxxxxxxxxx wrote:
> > From: Shuah Khan <shuah@xxxxxxxxxx>
> >
> > Change ALSA driver to use Media Controller API to share media resources
> > with DVB, and V4L2 drivers on a AU0828 media device.
> >
> > Media Controller specific initialization is done after sound card is
> > registered. ALSA creates Media interface and entity function graph
> > nodes for Control, Mixer, PCM Playback, and PCM Capture devices.
> >
> > snd_usb_hw_params() will call Media Controller enable source handler
> > interface to request the media resource. If resource request is granted,
> > it will release it from snd_usb_hw_free(). If resource is busy, -EBUSY is
> > returned.
> >
> > Media specific cleanup is done in usb_audio_disconnect().
> >
> > Signed-off-by: Shuah Khan <shuah@xxxxxxxxxx>

Thanks for the review. Fixing them all in the next revision.

-- Shuah