Re: [PATCH 0/4] Fix kcontrol put callback in Tegra drivers

[Jaroslav Kysela]

On 03. 11. 21 6:04, Sameer Pujar wrote:
> This series fixes kcontrol put callback in some of the Tegra drivers
> which are used on platforms based on Tegra210 and later. The callback
> is expected to return 1 whenever the HW update is done.

The logic is a little bit another. The 1 means change, so you should compare 
the register / cached value and return 1 only when a different value is set. 
Your implementation invokes the change events for duplicate updates.

						Jaroslav

--
Jaroslav Kysela <perex@xxxxxxxx>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.