[alsa-devel] [PATCH] ALSA: hda - Force polling mode on CML for fixing codec communication

[Nujella, Sathyanarayana]

> -----Original Message-----
> From: Takashi Iwai [mailto:tiwai at suse.de]
> Sent: Monday, September 23, 2019 11:30 PM
> To: Nujella, Sathyanarayana <sathyanarayana.nujella at intel.com>
> Cc: broonie at kernel.org; alsa-devel at alsa-project.org;
> liam.r.girdwood at linux.intel.com; pierre-louis.bossart at linux.intel.com; yung-
> chuan.liao at linux.intel.com; N, Harshapriya <harshapriya.n at intel.com>; Toh,
> Joyce <joyce.toh at intel.com>
> Subject: Re: [PATCH] ALSA: hda - Force polling mode on CML for fixing codec
> communication
> 
> 
> Could you confirm that this workaround is still necessary for the latest code?
> We switched to the write-sync on the recent Intel chips, and this may already
> cover such errors.
> 
> 
> thanks,
> 
> Takashi

Thank you.  We cross checked with latest code and specifically applied the below commit: 
ALSA: hda - Fix intermittent CORB/RIRB stall on Intel chips

Now, we see suspend & resume time significantly reduced. 
So, current WA patch is not needed.

BR
Sathya