[alsa-devel] [PATCH] asoc: add dummy codec

[Lars-Peter Clausen]

On 04/11/2013 03:57 PM, Stas Sergeev wrote:
> 11.04.2013 14:41, Lars-Peter Clausen пишет:
>> On 04/11/2013 12:36 PM, Stas Sergeev wrote:
>>> Hi.
>>>
>>> The attached patch adds a dummy codec for the
>>> asoc subsystem.
>>> I use it with the driver that programs the soc to drive
>>> I2S from an internal PLLs, and the audio then goes to
>>> HDMI, so no external codec is used.
>>> I've found spdif_transciever.c, which exactly is such a
>>> dummy driver, but it is bound to the particular plat
>>> device, so I made the device name a config option, and
>>> if not set, the plat device is created with the default
>>> name.
>>>
>>> It may be possible to avoid the usage of the codec driver
>>> at all, but I haven't succeeded with this, and the existance
>>> of spdif_transciever.c suggests there is no such way.
>>> Thoughts?
>>>
>>> Signed-off-by: Stas Sergeev <stsp at users.sourceforge.net>
>>>
>> Hi,
>>
>> There is already a dummy codec driver.
>>
>> Please take a look at sound/soc/soc-utils.c
> Hi, I've seen that, but how can I get use of it?
> It doesn't do snd_soc_register_codec(), and in debugfs

It does:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/sound/soc/soc-utils.c#n101

- Lars