[alsa-devel] [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 at kernel.org wrote:
>> From: Shuah Khan <shuah at kernel.org>
>>
>> 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 at kernel.org>

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

-- Shuah