[alsa-devel] [PATCH 1/2] ALSA: hda - Don't trigger jackpoll_work in azx_resume

[Takashi Iwai]

On Tue, 19 Mar 2019 02:28:43 +0100,
Hui Wang wrote:
> 
> The commit 3baffc4a84d7 (ALSA: hda/intel: Refactoring PM code) changed
> the behaviour of azx_resume(), it triggers the jackpoll_work after
> applying this commit.
> 
> This change introduced a new issue, all codecs are runtime active
> after S3, and will not call runtime_suspend() automatically.
> 
> The root cause is the jackpoll_work calls snd_hda_power_up/down_pm,
> and it calls up_pm before snd_hdac_enter_pm is called, while calls
> the down_pm in the middle of enter_pm and leave_pm is called. This
> makes the dev->power.usage_count unbalanced after S3.
> 
> To fix it, let azx_resume() don't trigger jackpoll_work as before
> it did.
> 
> Fixes:  3baffc4a84d7 (ALSA: hda/intel: Refactoring PM code)
> Signed-off-by: Hui Wang <hui.wang at canonical.com>

Applied, thanks.


Takashi