[alsa-devel] [ALSA patch] [PATCH] ALSA: pcm: fix lost wakeup event scenarios in snd_pcm_drain

[Takashi Iwai]

On Mon, 29 Jul 2019 17:10:36 +0200,
Adam Miartus wrote:
> 
> From: Yuki Tsunashima <ytsunashima at jp.adit-jv.com>
> 
> lost wakeup can occur after enabling irq, therefore put task
> into interruptible before enabling interrupts,
> 
> without this change, task can be put to sleep and snd_pcm_drain
> will delay
> 
> Signed-off-by: Yuki Tsunashima <ytsunashima at jp.adit-jv.com>
> Signed-off-by: Suresh Udipi <sudipi at jp.adit-jv.com>
> [ported from 4.9]
> Signed-off-by: Adam Miartus <amiartus at de.adit-jv.com>

Thanks, applied now.


Takashi