From: shuah <shuah@kernel.org>
To: Hans Verkuil <hverkuil@xs4all.nl>,
mchehab@kernel.org, perex@perex.cz, tiwai@suse.com
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
alsa-devel@alsa-project.org, shuah <shuah@kernel.org>
Subject: Re: [RFC PATCH v8 4/4] sound/usb: Use Media Controller API to share media resources
Date: Thu, 6 Dec 2018 08:34:57 -0700 [thread overview]
Message-ID: <3aef49a1-2dd7-c6c6-7c2e-5ba3cc76a695@kernel.org> (raw)
In-Reply-To: <0b919080-669a-a266-c85c-66dc724a536b@xs4all.nl>
Hi Hans,
On 11/20/18 4:54 AM, Hans Verkuil wrote:
> On 11/02/2018 01:31 AM, shuah@kernel.org wrote:
>> From: Shuah Khan <shuah@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@kernel.org>
Thanks for the review. Fixing them all in the next revision.
-- Shuah
prev parent reply other threads:[~2018-12-06 15:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-02 0:31 [RFC PATCH v8 0/4] Media Device Allocator API shuah
[not found] ` <cover.1541109584.git.shuah@kernel.org>
2018-11-02 0:31 ` [RFC PATCH v8 1/4] media: " shuah
2018-11-19 8:59 ` Pavel Machek
2018-12-06 15:33 ` shuah
2018-12-09 8:09 ` Pavel Machek
2018-12-09 11:27 ` Mauro Carvalho Chehab
2018-12-09 11:37 ` Pavel Machek
2018-11-20 11:20 ` Hans Verkuil
2018-12-06 15:27 ` shuah
2018-11-02 0:31 ` [RFC PATCH v8 2/4] media: change au0828 to use " shuah
2018-11-02 0:31 ` [RFC PATCH v8 3/4] media: media.h: Enable ALSA MEDIA_INTF_T* interface types shuah
2018-11-20 11:22 ` Hans Verkuil
2018-12-06 15:29 ` shuah
2018-11-02 0:31 ` [RFC PATCH v8 4/4] sound/usb: Use Media Controller API to share media resources shuah
2018-11-20 11:54 ` Hans Verkuil
2018-12-06 15:34 ` shuah [this message]
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