[alsa-devel] Coherence of status structure after SYNC_PTR

[Takashi Sakamoto]

On Fri, Dec 28, 2018 at 12:45:49PM +0900, Takashi Sakamoto wrote:
> I note that there're some levels of timestamp and autio timestamp.
> Additionally, audio timestamp is updated only in any hardware/software IRQs,
> thus it's not available with 'no-period-wakeup' runtime, FYI.

Oops. No, the audio timestamp can be updated in updating process of
hardware pointer. A call of ioctl with SNDRV_PCM_IOCTL_STATUS and
SNDRV_PCM_IOCTL_STATUS_EXT can return updated audio timestamp.


Regards

Takashi Sakamoto