On Thu, 2 Sep 2021 14:53:28 +0300, Peter Ujfalusi wrote:
If the value/data associated with a control changes in SOF it will send a notification (SOF_IPC_GLB_COMP_MSG with SOF_IPC_COMP_GET_VALUE/DATA).
We have support for binary volatile control type, but we might have features where enum/switch/volume changes. Re-implementing everything as volatile as well would be not much of a gain for several reasons:
- volatile controls would do an IPC all the time, regardless if there is a need or not.
- We still don't have notification which forces userspace to continuously poll.
[...]
Applied to
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
Thanks!
[1/1] ASoC: SOF: Handle control change notification from firmware commit: 756bbe4205bc63a84ab032a1b76970afe55e2d9d
All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed.
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Thanks, Mark