Messages in this thread | | | Date | Wed, 3 Nov 2021 09:50:40 +0100 | Subject | Re: [PATCH 0/4] Fix kcontrol put callback in Tegra drivers | From | Jaroslav Kysela <> |
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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@perex.cz> Linux Sound Maintainer; ALSA Project; Red Hat, Inc.
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