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Mon, 3 Aug 2020 13:00:32 +0000 From: "Lu, Brent" To: Takashi Iwai Subject: RE: [PATCH v3 2/2] ASoC: Intel: Add period size constraint on strago board Thread-Topic: [PATCH v3 2/2] ASoC: Intel: Add period size constraint on strago board Thread-Index: AQHWZzZzIgMFwAI7HkKT1/DPVspAl6khsDgAgAFDasCAAAm3gIADX8DA Date: Mon, 3 Aug 2020 13:00:31 +0000 Message-ID: References: <1596020585-11517-1-git-send-email-brent.lu@intel.com> <1596198365-10105-1-git-send-email-brent.lu@intel.com> <1596198365-10105-3-git-send-email-brent.lu@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-version: 11.5.1.3 dlp-product: dlpe-windows dlp-reaction: no-action authentication-results: suse.de; dkim=none (message not signed) header.d=none;suse.de; dmarc=none action=none header.from=intel.com; x-originating-ip: [220.136.119.29] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 2e8449c9-43fb-48c4-818c-08d837ad3466 x-ms-traffictypediagnostic: DM5PR11MB0043: x-ld-processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4714; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR11MB3642.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2e8449c9-43fb-48c4-818c-08d837ad3466 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Aug 2020 13:00:32.0338 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: GBm2T70VJADyNDpIpIFXMRvnGfoLyXc/FnUwFVUuFD/U9twNmGIQlSjDyzvyUIa4J9ANA6fdVTI+8/6ClumP/g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR11MB0043 X-OriginatorOrg: intel.com Cc: Guennadi Liakhovetski , "alsa-devel@alsa-project.org" , Kuninori Morimoto , Kai Vehmanen , "Rojewski, Cezary" , Jie Yang , "linux-kernel@vger.kernel.org" , Takashi Iwai , Liam Girdwood , Sam McNally , Mark Brown , Ranjani Sridharan , Daniel Stuart , Andy Shevchenko , Pierre-Louis Bossart , Yu-Hsuan Hsu , Damian van Soelen X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" > > > > > > Again, is this fixed 240 is a must? Or is this also an alignment iss= ue? > > 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. >=20 > Hrm, but it's likely a worse choice on other sound backends. >=20 > Please double-check whether this fixed small period is a must, or it's an > alignment issue. Hi Takashi, I've double checked with google. It's a must for Chromebooks due to low latency use case. Regards, Brent >=20 >=20 > Takashi