From patchwork Mon Jan 26 14:53:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zubair Lutfullah Kakakhel X-Patchwork-Id: 5710491 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BB8589F302 for ; Mon, 26 Jan 2015 14:55:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 19A9F20148 for ; Mon, 26 Jan 2015 14:55:45 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 33D152012B for ; Mon, 26 Jan 2015 14:55:44 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 5F9D9260707; Mon, 26 Jan 2015 15:55:43 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id E9F3C260695; Mon, 26 Jan 2015 15:53:52 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 37E4B260695; Mon, 26 Jan 2015 15:53:52 +0100 (CET) Received: from mailapp01.imgtec.com (mailapp01.imgtec.com [195.59.15.196]) by alsa0.perex.cz (Postfix) with ESMTP id F0584260662 for ; Mon, 26 Jan 2015 15:53:26 +0100 (CET) Received: from KLMAIL01.kl.imgtec.org (unknown [192.168.5.35]) by Websense Email Security Gateway with ESMTPS id B7673BBD347ED; Mon, 26 Jan 2015 14:53:23 +0000 (GMT) Received: from LEMAIL01.le.imgtec.org (192.168.152.62) by KLMAIL01.kl.imgtec.org (192.168.5.35) with Microsoft SMTP Server (TLS) id 14.3.195.1; Mon, 26 Jan 2015 14:53:26 +0000 Received: from zkakakhel-linux.le.imgtec.org (192.168.154.89) by LEMAIL01.le.imgtec.org (192.168.152.62) with Microsoft SMTP Server (TLS) id 14.3.210.2; Mon, 26 Jan 2015 14:53:25 +0000 From: Zubair Lutfullah Kakakhel To: , Date: Mon, 26 Jan 2015 14:53:13 +0000 Message-ID: <1422283993-53642-5-git-send-email-Zubair.Kakakhel@imgtec.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1422283993-53642-1-git-send-email-Zubair.Kakakhel@imgtec.com> References: <1422283993-53642-1-git-send-email-Zubair.Kakakhel@imgtec.com> MIME-Version: 1.0 X-Originating-IP: [192.168.154.89] Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, lars@metafoo.de, Zubair.Kakakhel@imgtec.com, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, broonie@kernel.org Subject: [alsa-devel] [PATCH_V3 4/4] sound: jz4740: set i2s clk rate to 12MHz X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP i2s clock rate is not set to 12MHz currently. Set it before enabling the clock. Signed-off-by: Zubair Lutfullah Kakakhel --- V2 changes: Removed clk_prepare_enable call as clock was already being enabled elsewhere. Just set rate to 12MHz. --- sound/soc/jz4740/jz4740-i2s.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c index 07f7781..c2e5852 100644 --- a/sound/soc/jz4740/jz4740-i2s.c +++ b/sound/soc/jz4740/jz4740-i2s.c @@ -125,6 +125,7 @@ static int jz4740_i2s_startup(struct snd_pcm_substream *substream, ctrl |= JZ_AIC_CTRL_FLUSH; jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl); + clk_set_rate(i2s->clk_i2s, 12000000); clk_prepare_enable(i2s->clk_i2s); conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);