[PATCH] Documentation: sound: fix typo in control-names.rst

[Takashi Iwai]

On Sun, 27 Feb 2022 15:52:04 +0100,
SPeak Shen wrote:
> 
> From: Sunrisepeak <speakshen at 163.com>
> 
> change 'cannel' to 'channel'
> 
> Signed-off-by: Sunrisepeak <speakshen at 163.com>

Thanks, applied.


Takashi