linux-kernel - Re: [PATCH v3 2/2] ASoC: Intel: Add period size constraint on strago board

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Message-ID: <s5hd04a90o4.wl-tiwai@suse.de>
Date:   Sat, 01 Aug 2020 11:26:51 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     "Lu, Brent" <brent.lu@...el.com>
Cc:     "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "Guennadi Liakhovetski" <guennadi.liakhovetski@...ux.intel.com>,
        "Rojewski, Cezary" <cezary.rojewski@...el.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Takashi Iwai <tiwai@...e.com>,
        Jie Yang <yang.jie@...ux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Sam McNally <sammc@...omium.org>,
        "Mark Brown" <broonie@...nel.org>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Yu-Hsuan Hsu <yuhsuan@...omium.org>,
        Daniel Stuart <daniel.stuart14@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Damian van Soelen <dj.vsoelen@...il.com>
Subject: Re: [PATCH v3 2/2] ASoC: Intel: Add period size constraint on strago board

On Sat, 01 Aug 2020 10:58:16 +0200,
Lu, Brent wrote:
> 
> > 
> > Again, is this fixed 240 is a must?  Or is this also an alignment issue?
> Hi Takashi,
> 
> I think it's a must for Chromebooks. Google found this value works best
> with their CRAS server running on their BSW products. They offered this
> patch for their own Chromebooks.

Hrm, but it's likely a worse choice on other sound backends.

Please double-check whether this fixed small period is a must, or it's
an alignment issue.


Takashi