From patchwork Tue Nov 10 07:26:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Koro Chen X-Patchwork-Id: 7588521 Return-Path: X-Original-To: patchwork-linux-mediatek@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 294D1C05C6 for ; Tue, 10 Nov 2015 07:27:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4A9E4206D6 for ; Tue, 10 Nov 2015 07:27:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 71A61206BE for ; Tue, 10 Nov 2015 07:27:01 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zw3KX-0003an-1H; Tue, 10 Nov 2015 07:27:01 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zw3KN-0003V5-HL; Tue, 10 Nov 2015 07:26:52 +0000 X-Listener-Flag: 11101 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1944712929; Tue, 10 Nov 2015 15:26:24 +0800 Received: from mtkslt301 (10.21.14.114) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Tue, 10 Nov 2015 15:26:23 +0800 Received: by mtkslt301 (Postfix, from userid 11333) id 39410183AC6; Tue, 10 Nov 2015 15:26:23 +0800 (CST) From: Koro Chen To: , Subject: [PATCH] ASoC: mediatek: Move 22M/24M clock control into I2S ops Date: Tue, 10 Nov 2015 15:26:12 +0800 Message-ID: <1447140372-10048-1-git-send-email-koro.chen@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151109_232651_717081_28B9D340 X-CRM114-Status: GOOD ( 13.16 ) X-Spam-Score: -1.1 (-) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, srv_heupstream@mediatek.com, s.hauer@pengutronix.de, linux-kernel@vger.kernel.org, Koro Chen , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 22M/24M clocks are only required for I2S, so move the control to I2S DAI ops. Signed-off-by: Koro Chen --- sound/soc/mediatek/mtk-afe-pcm.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c index f5baf3c..7f71343 100644 --- a/sound/soc/mediatek/mtk-afe-pcm.c +++ b/sound/soc/mediatek/mtk-afe-pcm.c @@ -299,8 +299,6 @@ static int mtk_afe_dais_enable_clks(struct mtk_afe *afe, dev_err(afe->dev, "Failed to enable m_ck\n"); return ret; } - regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, - AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0); } if (b_ck) { @@ -340,12 +338,8 @@ static int mtk_afe_dais_set_clks(struct mtk_afe *afe, static void mtk_afe_dais_disable_clks(struct mtk_afe *afe, struct clk *m_ck, struct clk *b_ck) { - if (m_ck) { - regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, - AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, - AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M); + if (m_ck) clk_disable_unprepare(m_ck); - } if (b_ck) clk_disable_unprepare(b_ck); } @@ -360,6 +354,8 @@ static int mtk_afe_i2s_startup(struct snd_pcm_substream *substream, return 0; mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, + AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0); return 0; } @@ -373,6 +369,9 @@ static void mtk_afe_i2s_shutdown(struct snd_pcm_substream *substream, return; mtk_afe_set_i2s_enable(afe, false); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, + AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, + AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M); mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL); /* disable AFE */