From: "Lu, Brent" <brent.lu@intel.com>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Takashi Iwai <tiwai@suse.de>
Cc: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
"Rojewski, Cezary" <cezary.rojewski@intel.com>,
Takashi Iwai <tiwai@suse.com>,
Jie Yang <yang.jie@linux.intel.com>,
Yu-Hsuan Hsu <yuhsuan@chromium.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Liam Girdwood <liam.r.girdwood@linux.intel.com>,
Sam McNally <sammc@chromium.org>, Mark Brown <broonie@kernel.org>,
"yuhsuan@google.com" <yuhsuan@google.com>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Daniel Stuart <daniel.stuart14@gmail.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Damian van Soelen <dj.vsoelen@gmail.com>
Subject: RE: [PATCH v3 2/2] ASoC: Intel: Add period size constraint on strago board
Date: Wed, 12 Aug 2020 16:08:38 +0000 [thread overview]
Message-ID: <DM6PR11MB364242D3652EDC2F9B8B214897420@DM6PR11MB3642.namprd11.prod.outlook.com> (raw)
In-Reply-To: <be45d821-57c6-6ca5-0864-ac3aa521d82e@linux.intel.com>
> >
> > I also wonder what's really missing, too :)
> >
> > BTW, I took a look back at the thread, and CRAS seems using a very
> > large buffer, namely:
> > [ 52.434791] sound pcmC1D0p: PERIOD_SIZE [240:240]
> > [ 52.434802] sound pcmC1D0p: BUFFER_SIZE [204480:204480]
>
> yes, that's 852 periods and 4.260 seconds. Never seen such values :-)
CRAS calls snd_pcm_hw_params_set_buffer_size_max() to use as large
buffer as possible. So the period size is an arbitrary number in different
platforms. Atom SST platform happens to be 256, and CML SOF platform
is 1056 for example.
Regards,
Brent
next prev parent reply other threads:[~2020-08-12 16:09 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-29 11:03 [PATCH 0/2] Add period size constraint for Atom Chromebook Brent Lu
2020-07-29 11:03 ` [PATCH 1/2] ASoC: intel: atom: Add period size constraint Brent Lu
2020-07-29 11:19 ` Andy Shevchenko
2020-07-29 11:03 ` [PATCH 2/2] ASoC: Intel: Add period size constraint on strago board Brent Lu
2020-07-29 14:08 ` Pierre-Louis Bossart
2020-07-30 8:02 ` Lu, Brent
2020-07-30 15:27 ` Pierre-Louis Bossart
2020-07-30 15:44 ` Pierre-Louis Bossart
2020-07-30 16:17 ` Lu, Brent
2020-07-30 16:56 ` Takashi Iwai
2020-07-31 12:28 ` Lu, Brent
2020-07-29 11:20 ` [PATCH 0/2] Add period size constraint for Atom Chromebook Andy Shevchenko
2020-07-31 12:26 ` [PATCH v3 " Brent Lu
2020-07-31 12:26 ` [PATCH v3 1/2] ASoC: intel: atom: Add period size constraint Brent Lu
2020-07-31 12:26 ` [PATCH v3 2/2] ASoC: Intel: Add period size constraint on strago board Brent Lu
2020-07-31 13:34 ` Takashi Iwai
2020-08-01 8:58 ` Lu, Brent
2020-08-01 9:26 ` Takashi Iwai
2020-08-03 13:00 ` Lu, Brent
2020-08-03 15:13 ` Pierre-Louis Bossart
2020-08-03 16:45 ` Lu, Brent
2020-08-03 16:56 ` Takashi Iwai
2020-08-04 4:33 ` Lu, Brent
2020-08-04 14:24 ` Pierre-Louis Bossart
2020-08-06 16:41 ` Lu, Brent
2020-08-10 15:03 ` Pierre-Louis Bossart
2020-08-10 17:38 ` Yu-Hsuan Hsu
2020-08-11 2:16 ` Lu, Brent
2020-08-11 2:29 ` Yu-Hsuan Hsu
2020-08-11 7:43 ` Takashi Iwai
2020-08-11 8:25 ` Yu-Hsuan Hsu
2020-08-11 8:39 ` Takashi Iwai
2020-08-11 9:35 ` Yu-Hsuan Hsu
2020-08-11 14:53 ` Mark Brown
2020-08-11 16:54 ` Pierre-Louis Bossart
2020-08-11 17:22 ` Mark Brown
2020-08-12 3:09 ` Yu-Hsuan Hsu
2020-08-12 6:13 ` Takashi Iwai
2020-08-12 6:53 ` Yu-Hsuan Hsu
2020-08-12 6:58 ` Takashi Iwai
2020-08-12 7:43 ` Yu-Hsuan Hsu
2020-08-12 7:47 ` Takashi Iwai
2020-08-12 14:46 ` Pierre-Louis Bossart
2020-08-12 14:55 ` Takashi Iwai
2020-08-12 15:54 ` Pierre-Louis Bossart
2020-08-12 16:08 ` Lu, Brent [this message]
2020-08-12 16:38 ` Pierre-Louis Bossart
2020-08-13 6:24 ` Yu-Hsuan Hsu
2020-08-13 7:55 ` Lu, Brent
2020-08-13 8:36 ` Yu-Hsuan Hsu
2020-08-13 8:45 ` Takashi Iwai
2020-08-13 12:57 ` Pierre-Louis Bossart
2020-08-13 17:15 ` Yu-Hsuan Hsu
2020-08-21 16:40 ` [PATCH v3 0/2] Add period size constraint for Atom Chromebook Mark Brown
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