From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756332AbcBBVn4 (ORCPT ); Tue, 2 Feb 2016 16:43:56 -0500 Received: from gloria.sntech.de ([95.129.55.99]:41012 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756145AbcBBVnu (ORCPT ); Tue, 2 Feb 2016 16:43:50 -0500 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Xing Zheng Cc: linux-rockchip@lists.infradead.org, keescook@google.com, leozwang@google.com, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH] ARM: dts: rockchip: increase the mclk_fs to 512 for kylin board Date: Tue, 02 Feb 2016 22:43:36 +0100 Message-ID: <5872159.rO8vOly5eX@diego> User-Agent: KMail/4.14.10 (Linux/4.2.0-1-amd64; KDE/4.14.14; x86_64; ; ) In-Reply-To: <1454057361-22923-1-git-send-email-zhengxing@rock-chips.com> References: <1454057361-22923-1-git-send-email-zhengxing@rock-chips.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Freitag, 29. Januar 2016, 16:49:21 schrieb Xing Zheng: > If we playback the 8KHz FS audio with the 256 mclk_fs, we need the > mclk = 256 * 8000 = 2.048MHz, the frac div is 594 / 2.048 = 290, > the frac div value 0x00809015 set to the CRU_CLKSEL7_CON will cause > to hang. > > We increase the mclk_fs to 512, will get the mclk = 512 * 8000 = > 4.096MHz, use 0x01009015 instead of 0x00809015 to work around this > issue. We will keep tracking it. > > Signed-off-by: Xing Zheng applied to my dts32 branch for 4.6 Thanks Heiko