From patchwork Fri Oct 21 13:15:57 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Keepax X-Patchwork-Id: 9389847 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 01B3D60231 for ; Fri, 21 Oct 2016 18:23:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EBACD2A24E for ; Fri, 21 Oct 2016 18:23:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DFA522A273; Fri, 21 Oct 2016 18:23:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8484C2A24E for ; Fri, 21 Oct 2016 18:23:09 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id A87E6267333; Fri, 21 Oct 2016 20:23:08 +0200 (CEST) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 93CFC267327; Fri, 21 Oct 2016 20:20:36 +0200 (CEST) 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 1CB1A2671FB; Fri, 21 Oct 2016 15:15:57 +0200 (CEST) Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) by alsa0.perex.cz (Postfix) with ESMTP id 68BD5267202 for ; Fri, 21 Oct 2016 15:15:47 +0200 (CEST) Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u9LDE9Si007274; Fri, 21 Oct 2016 08:15:46 -0500 Authentication-Results: ppops.net; spf=none smtp.mailfrom=ckeepax@opensource.wolfsonmicro.com Received: from mail2.cirrus.com (mail1.cirrus.com [141.131.3.20]) by mx0a-001ae601.pphosted.com with ESMTP id 2675y80uk6-1; Fri, 21 Oct 2016 08:15:46 -0500 Received: from EX17.ad.cirrus.com (unknown [172.20.9.81]) by mail2.cirrus.com (Postfix) with ESMTP id 110EC6121AD8; Fri, 21 Oct 2016 08:15:46 -0500 (CDT) Received: from imbe.wolfsonmicro.main (198.61.95.81) by EX17.ad.cirrus.com (172.20.9.81) with Microsoft SMTP Server id 14.3.301.0; Fri, 21 Oct 2016 14:15:44 +0100 Received: from algalon.wolfsonmicro.main ([172.22.20.24]) by imbe.wolfsonmicro.main (8.14.4/8.14.4) with ESMTP id u9LDFQQh017238; Fri, 21 Oct 2016 14:15:27 +0100 From: Charles Keepax To: Date: Fri, 21 Oct 2016 14:15:57 +0100 Message-ID: <1477055758-11490-2-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1477055758-11490-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1477055758-11490-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> MIME-Version: 1.0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1610210241 Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, lgirdwood@gmail.com, s.nawrocki@samsung.com Subject: [alsa-devel] [PATCH RESEND 1/2] ASoC: arizona: Add gating for clock when used for direct MCLK 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 Whilst ultimately we would like to move all the clocking over to the clock framework, as an intermediate step to get people going for now gating the source clocks for SYSCLK/ASYNCCLK when they are configured to come directly from an MCLK pin. Signed-off-by: Charles Keepax Tested-by: Sylwester Nawrocki --- sound/soc/codecs/arizona.c | 40 ++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/arizona.h | 2 ++ sound/soc/codecs/cs47l24.c | 6 ++++-- sound/soc/codecs/wm5102.c | 9 +++++++-- sound/soc/codecs/wm5110.c | 10 +++++++--- sound/soc/codecs/wm8997.c | 9 +++++++-- sound/soc/codecs/wm8998.c | 6 ++++-- 7 files changed, 71 insertions(+), 11 deletions(-) diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 846ca07..10be50a 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1233,6 +1233,46 @@ static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk, return -EINVAL; } +int arizona_clk_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct arizona *arizona = dev_get_drvdata(codec->dev->parent); + unsigned int val; + int clk_idx; + int ret; + + ret = regmap_read(arizona->regmap, w->reg, &val); + if (ret) { + dev_err(codec->dev, "Failed to check clock source: %d\n", ret); + return ret; + } + + val = (val & ARIZONA_SYSCLK_SRC_MASK) >> ARIZONA_SYSCLK_SRC_SHIFT; + + switch (val) { + case ARIZONA_CLK_SRC_MCLK1: + clk_idx = ARIZONA_MCLK1; + break; + case ARIZONA_CLK_SRC_MCLK2: + clk_idx = ARIZONA_MCLK2; + break; + default: + return 0; + } + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + return clk_prepare_enable(arizona->mclk[clk_idx]); + case SND_SOC_DAPM_POST_PMD: + clk_disable_unprepare(arizona->mclk[clk_idx]); + return 0; + default: + return 0; + } +} +EXPORT_SYMBOL_GPL(arizona_clk_ev); + int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, int source, unsigned int freq, int dir) { diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h index 850aa33..9d0997b 100644 --- a/sound/soc/codecs/arizona.h +++ b/sound/soc/codecs/arizona.h @@ -273,6 +273,8 @@ extern int arizona_eq_coeff_put(struct snd_kcontrol *kcontrol, extern int arizona_lhpf_coeff_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); +extern int arizona_clk_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event); extern int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, int source, unsigned int freq, int dir); diff --git a/sound/soc/codecs/cs47l24.c b/sound/soc/codecs/cs47l24.c index 5b22564..7df6a67 100644 --- a/sound/soc/codecs/cs47l24.c +++ b/sound/soc/codecs/cs47l24.c @@ -335,9 +335,11 @@ static const struct snd_kcontrol_new cs47l24_aec_loopback_mux = static const struct snd_soc_dapm_widget cs47l24_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, - ARIZONA_SYSCLK_ENA_SHIFT, 0, NULL, 0), + ARIZONA_SYSCLK_ENA_SHIFT, 0, arizona_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1, - ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0), + ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, arizona_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK, ARIZONA_OPCLK_ENA_SHIFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ASYNCOPCLK", ARIZONA_OUTPUT_ASYNC_CLOCK, diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index 93876c6..bb3de5b 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -607,6 +607,9 @@ static int wm5102_sysclk_ev(struct snd_soc_dapm_widget *w, break; case SND_SOC_DAPM_PRE_PMD: break; + case SND_SOC_DAPM_PRE_PMU: + case SND_SOC_DAPM_POST_PMD: + return arizona_clk_ev(w, kcontrol, event); default: return 0; } @@ -1077,9 +1080,11 @@ static const struct snd_kcontrol_new wm5102_aec_loopback_mux = static const struct snd_soc_dapm_widget wm5102_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, ARIZONA_SYSCLK_ENA_SHIFT, 0, wm5102_sysclk_ev, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD | + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1, - ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0), + ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, arizona_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK, ARIZONA_OPCLK_ENA_SHIFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ASYNCOPCLK", ARIZONA_OUTPUT_ASYNC_CLOCK, diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c index 06bae3b..407dc4a 100644 --- a/sound/soc/codecs/wm5110.c +++ b/sound/soc/codecs/wm5110.c @@ -183,7 +183,9 @@ static int wm5110_sysclk_ev(struct snd_soc_dapm_widget *w, regmap_write_async(regmap, patch[i].reg, patch[i].def); break; - + case SND_SOC_DAPM_PRE_PMU: + case SND_SOC_DAPM_POST_PMD: + return arizona_clk_ev(w, kcontrol, event); default: break; } @@ -1073,9 +1075,11 @@ static const struct snd_kcontrol_new wm5110_output_anc_src[] = { static const struct snd_soc_dapm_widget wm5110_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, ARIZONA_SYSCLK_ENA_SHIFT, - 0, wm5110_sysclk_ev, SND_SOC_DAPM_POST_PMU), + 0, wm5110_sysclk_ev, SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1, - ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0), + ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, arizona_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK, ARIZONA_OPCLK_ENA_SHIFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ASYNCOPCLK", ARIZONA_OUTPUT_ASYNC_CLOCK, diff --git a/sound/soc/codecs/wm8997.c b/sound/soc/codecs/wm8997.c index 2f2821b..f5f5d43 100644 --- a/sound/soc/codecs/wm8997.c +++ b/sound/soc/codecs/wm8997.c @@ -108,6 +108,9 @@ static int wm8997_sysclk_ev(struct snd_soc_dapm_widget *w, break; case SND_SOC_DAPM_PRE_PMD: break; + case SND_SOC_DAPM_PRE_PMU: + case SND_SOC_DAPM_POST_PMD: + return arizona_clk_ev(w, kcontrol, event); default: return 0; } @@ -408,9 +411,11 @@ static const struct snd_kcontrol_new wm8997_aec_loopback_mux = static const struct snd_soc_dapm_widget wm8997_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, ARIZONA_SYSCLK_ENA_SHIFT, 0, wm8997_sysclk_ev, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD | + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1, - ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0), + ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, arizona_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK, ARIZONA_OPCLK_ENA_SHIFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ASYNCOPCLK", ARIZONA_OUTPUT_ASYNC_CLOCK, diff --git a/sound/soc/codecs/wm8998.c b/sound/soc/codecs/wm8998.c index bcc2e10..3eaa361 100644 --- a/sound/soc/codecs/wm8998.c +++ b/sound/soc/codecs/wm8998.c @@ -541,9 +541,11 @@ static const struct snd_kcontrol_new wm8998_aec_loopback_mux[] = { static const struct snd_soc_dapm_widget wm8998_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, - ARIZONA_SYSCLK_ENA_SHIFT, 0, NULL, 0), + ARIZONA_SYSCLK_ENA_SHIFT, 0, arizona_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1, - ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0), + ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, arizona_clk_ev, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK, ARIZONA_OPCLK_ENA_SHIFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("ASYNCOPCLK", ARIZONA_OUTPUT_ASYNC_CLOCK,