[RFC][PATCH v3 1/4] alsa: jack: implement software jack injection via debugfs

[Hui Wang]

On 1/4/21 11:04 PM, Jaroslav Kysela wrote:
> Dne 28. 12. 20 v 9:00 Hui Wang napsal(a):
>> We want to perform remote audio auto test, need the audio jack to
>> change from plugout to plugin or vice versa by software ways.
>>
>> Here the design is creating a sound-core root folder in the debugfs
>> dir, and each sound card will create a folder cardN under sound-core,
>> then the sound jack will create folders by jack_ctrl->ctrl->id.name,
>> and will create 2 file nodes jackin_inject and sw_inject_enable in
>> the folder, this is the layout of folder on a machine with 2 sound
>> cards:
>> $tree $debugfs_mount_dir/sound-core
>> sound-core/
>> ├── card0
>> │   ├── HDMI!DP,pcm=10 Jack
>> │   │   ├── jackin_inject
>> │   │   └── sw_inject_enable
>> +	sound_core_debugfs_root = debugfs_create_dir("sound-core", NULL);
> I would just use "sound" directory name here. Why "core" suffix?

OK, will change it to sound.

thx.

>
> 					Jaroslav
>