[alsa-devel] [PATCH v4 0/5] ALSA: hda - hdmi support dynamic pcm assignment

Libin Yang libin.yang at linux.intel.com
Wed Dec 16 08:59:56 CET 2015


On 12/16/2015 03:59 PM, Takashi Iwai wrote:
> On Wed, 16 Dec 2015 08:54:50 +0100,
> Libin Yang wrote:
>>
>>
>>
>> On 12/16/2015 03:47 PM, Takashi Iwai wrote:
>>> On Wed, 16 Dec 2015 06:42:40 +0100,
>>> libin.yang at linux.intel.com wrote:
>>>>
>>>> From: Libin Yang <libin.yang at linux.intel.com>
>>>>
>>>> The patches are trying to support dynamically binding PCM to pin
>>>> in HDMI/DP audio.
>>>>
>>>> The pin will not bind to any PCM if there is not monitor connected.
>>>> When there is a monitor connected to the port (pin), driver will
>>>> try to find a proper PCM to assign to the port and setup the pin
>>>> if necessary.
>>>>
>>>> Libin Yang (5):
>>>>     ALSA: hda - hdmi begin to support dynamic PCM assignment
>>>>     ALSA: hda - hdmi playback without monitor in dynamic pcm bind mode
>>>>     ALSA: hda - hdmi operate spdif based on pcm
>>>>     ALSA: hda - hdmi dynamically bind PCM to pin when monitor hotplug
>>>>     ALSA: hda - hdmi setup pin when monitor hotplug in pcm dynamic
>>>>       assignment mode
>>>
>>> I updated topic/hda-mst branch with these patches.  But the patch 4
>>> needs more fixes, as suggested in another mail.
>>
>> Thanks. Do I need to resend all the patches? Or just patch 4 and patch 5?
>
> Only 4 (and 5 if needed) should suffice.
>
>>> Overall, I'd like to know whether MST audio really works in the
>>> current state, or not.  Do you have *any* git branch where MST audio
>>> is supposed to work at all?
>>
>> Yes, I have all the patches in my local branch. We tested the patches
>> before. But since a lot of code in mainline is changed, I need rebase
>> the patches. Some patches are conflicted with the jack changes you
>> made. Some also fix some unsol event issues, which seems you have made
>> a lot of changes on it currently.
>
> Well, it doesn't matter how old it is, but I need the branch to test
> whether MST really works at all.  Could you publish your git tree and
> your old branch that worked?  You can use github or whatever.


OK. I will submit the patches to github and let you know the branch later.

Best Regards,
Libin

>
>
> thanks,
>
> Takashi
>


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