[alsa-devel] multi-channel playback regression

[Jaroslav Kysela]

On Thu, 23 Jul 2009, Takashi Iwai wrote:

> At Thu, 23 Jul 2009 10:39:04 +0200 (CEST),
> Jaroslav Kysela wrote:
>>
>> On Thu, 23 Jul 2009, Takashi Iwai wrote:
>>
>>> At Thu, 23 Jul 2009 10:14:27 +0200 (CEST),
>>> Jaroslav Kysela wrote:
>>>>
>>>> On Thu, 23 Jul 2009, Wu Fengguang wrote:
>>>>
>>>>>> Is this with the patched (as is on sound git tree) kernel?
>>>>>
>>>>> Yes, it's unmodified latest git tree.
>>>>>
>>>>>> What if changing from #if 1 to #if 0?
>>>>>
>>>>> This makes 8-channel playback work again.
>>>>
>>>> Can we check if we running under VMWare at runtime?
>>>
>>> No idea.  But, an option to allow to choose manually might be usefl
>>> for other broken hardwares that require a similar fallback like
>>> VMware, although this doesn't conflict with the automatic detection
>>> of vmware.
>>
>> Yes, maybe a sysfs attribute might be useful.
>
> How about the patch below?
> This is in sound-unstable tree fix/pcm-hwptr-debug branch.

Acked-by: Jaroslav Kysela <perex at perex.cz>

 				Thanks,
 					Jaroslav

-----
Jaroslav Kysela <perex at perex.cz>
Linux Kernel Sound Maintainer
ALSA Project, Red Hat, Inc.