From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07956C433E0 for ; Thu, 30 Jul 2020 15:03:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D79422070B for ; Thu, 30 Jul 2020 15:03:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729721AbgG3PDm (ORCPT ); Thu, 30 Jul 2020 11:03:42 -0400 Received: from mx2.suse.de ([195.135.220.15]:38006 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726353AbgG3PDm (ORCPT ); Thu, 30 Jul 2020 11:03:42 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 5D927B57A; Thu, 30 Jul 2020 15:03:53 +0000 (UTC) Date: Thu, 30 Jul 2020 17:03:40 +0200 Message-ID: From: Takashi Iwai To: Brent Lu Cc: alsa-devel@alsa-project.org, Guennadi Liakhovetski , Cezary Rojewski , Kai Vehmanen , Kuninori Morimoto , linux-kernel@vger.kernel.org, Takashi Iwai , Jie Yang , Pierre-Louis Bossart , Liam Girdwood , Sam McNally , Mark Brown , Ranjani Sridharan , Yu-Hsuan Hsu , Daniel Stuart , Andy Shevchenko , Damian van Soelen Subject: Re: [PATCH v2 0/2] Add period size constraint for Atom Chromebook In-Reply-To: <1596096815-32043-1-git-send-email-brent.lu@intel.com> References: <1596096815-32043-1-git-send-email-brent.lu@intel.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 30 Jul 2020 10:13:33 +0200, Brent Lu wrote: > > Two different constraints are implemented: one is in platform's CPU > DAI to enforce period sizes which are already used in Android BSP. The > other is in Atom Chromebook's machine driver to use 240 as period size. > > Changes since v1: > -Add comma at the end of media_period_size array declaration. Is it a hardware restriction? Unless it's a must for some hardware issues, enforcing such a small period size is nothing but a drawback for a system without CRAS. thanks, Takashi > > Brent Lu (1): > ASoC: intel: atom: Add period size constraint > > Yu-Hsuan Hsu (1): > ASoC: Intel: Add period size constraint on strago board > > sound/soc/intel/atom/sst-mfld-platform-pcm.c | 15 +++++++++++++++ > sound/soc/intel/boards/cht_bsw_max98090_ti.c | 14 +++++++++++++- > sound/soc/intel/boards/cht_bsw_rt5645.c | 14 +++++++++++++- > 3 files changed, 41 insertions(+), 2 deletions(-) > > -- > 2.7.4 >