From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753743AbeEHEra (ORCPT ); Tue, 8 May 2018 00:47:30 -0400 Received: from mail-bl2nam02on0066.outbound.protection.outlook.com ([104.47.38.66]:40050 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751092AbeEHEr2 (ORCPT ); Tue, 8 May 2018 00:47:28 -0400 Authentication-Results: spf=none (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; huawei.com; dkim=none (message not signed) header.d=none;huawei.com; dmarc=permerror action=none header.from=amd.com; From: Vijendar Mukunda CC: Akshu Agrawal , Vijendar Mukunda , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Daniel Kurtz , Kuninori Morimoto , Wei Yongjun , "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." , open list Subject: [PATCH 07/10] ASoC: AMD: Move clk enable from hw_params/free to startup/shutdown Date: Tue, 8 May 2018 10:17:50 +0530 Message-ID: <1525754888-14124-7-git-send-email-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1525754888-14124-1-git-send-email-Vijendar.Mukunda@amd.com> References: <1525754888-14124-1-git-send-email-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:165.204.84.17;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(396003)(346002)(376002)(39860400002)(39380400002)(2980300002)(428003)(189003)(199004)(105586002)(77096007)(109986005)(4326008)(47776003)(36756003)(336012)(68736007)(54906003)(305945005)(50226002)(53936002)(426003)(39060400002)(16586007)(316002)(2616005)(26005)(486006)(186003)(11346002)(72206003)(5660300001)(476003)(126002)(446003)(478600001)(8936002)(97736004)(76176011)(51416003)(106466001)(8676002)(81166006)(6666003)(7696005)(48376002)(81156014)(1671002)(356003)(50466002)(53416004)(2906002)(104016004)(86362001)(266003);DIR:OUT;SFP:1101;SCL:1;SRVR:BN4PR12MB0754;H:SATLEXCHOV02.amd.com;FPR:;SPF:None;LANG:en;PTR:InfoDomainNonexistent;MX:1;A:1; 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(no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Akshu Agrawal hw_param can be called multiple times and thus we can have more clk enable. The clk may not get diabled due to refcounting. startup/shutdown ensures single clk enable/disable call. Signed-off-by: Akshu Agrawal Signed-off-by: Vijendar Mukunda Reviewed-by: Daniel Kurtz --- sound/soc/amd/acp-da7219-max98357a.c | 49 +++++++++++++++++++++++++----------- 1 file changed, 35 insertions(+), 14 deletions(-) diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c index 215b06b..6495eed 100644 --- a/sound/soc/amd/acp-da7219-max98357a.c +++ b/sound/soc/amd/acp-da7219-max98357a.c @@ -91,8 +91,7 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd) return 0; } -static int cz_da7219_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) +static int da7219_clk_enable(struct snd_pcm_substream *substream) { int ret = 0; struct snd_soc_pcm_runtime *rtd = substream->private_data; @@ -106,11 +105,9 @@ static int cz_da7219_hw_params(struct snd_pcm_substream *substream, return ret; } -static int cz_da7219_hw_free(struct snd_pcm_substream *substream) +static void da7219_clk_disable(void) { clk_disable_unprepare(da7219_dai_clk); - - return 0; } static const unsigned int channels[] = { @@ -133,7 +130,7 @@ static const struct snd_pcm_hw_constraint_list constraints_channels = { .mask = 0, }; -static int cz_fe_startup(struct snd_pcm_substream *substream) +static int cz_da7219_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -147,23 +144,47 @@ static int cz_fe_startup(struct snd_pcm_substream *substream) snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); - return 0; + return da7219_clk_enable(substream); +} + +static void cz_da7219_shutdown(struct snd_pcm_substream *substream) +{ + da7219_clk_disable(); +} + +static int cz_max_startup(struct snd_pcm_substream *substream) +{ + return da7219_clk_enable(substream); +} + +static void cz_max_shutdown(struct snd_pcm_substream *substream) +{ + da7219_clk_disable(); +} + +static int cz_dmic_startup(struct snd_pcm_substream *substream) +{ + return da7219_clk_enable(substream); +} + +static void cz_dmic_shutdown(struct snd_pcm_substream *substream) +{ + da7219_clk_disable(); } static struct snd_soc_ops cz_da7219_cap_ops = { - .hw_params = cz_da7219_hw_params, - .hw_free = cz_da7219_hw_free, - .startup = cz_fe_startup, + .startup = cz_da7219_startup, + .shutdown = cz_da7219_shutdown, }; static struct snd_soc_ops cz_max_play_ops = { - .hw_params = cz_da7219_hw_params, - .hw_free = cz_da7219_hw_free, + .startup = cz_max_startup, + .shutdown = cz_max_shutdown, }; static struct snd_soc_ops cz_dmic_cap_ops = { - .hw_params = cz_da7219_hw_params, - .hw_free = cz_da7219_hw_free, + .startup = cz_dmic_startup, + .shutdown = cz_dmic_shutdown, }; static struct snd_soc_dai_link cz_dai_7219_98357[] = { -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vijendar Mukunda Subject: [PATCH 07/10] ASoC: AMD: Move clk enable from hw_params/free to startup/shutdown Date: Tue, 8 May 2018 10:17:50 +0530 Message-ID: <1525754888-14124-7-git-send-email-Vijendar.Mukunda@amd.com> References: <1525754888-14124-1-git-send-email-Vijendar.Mukunda@amd.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1525754888-14124-1-git-send-email-Vijendar.Mukunda@amd.com> Sender: linux-kernel-owner@vger.kernel.org Cc: Akshu Agrawal , Vijendar Mukunda , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Daniel Kurtz , Kuninori Morimoto , Wei Yongjun , "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." , open list List-Id: alsa-devel@alsa-project.org From: Akshu Agrawal hw_param can be called multiple times and thus we can have more clk enable. The clk may not get diabled due to refcounting. startup/shutdown ensures single clk enable/disable call. Signed-off-by: Akshu Agrawal Signed-off-by: Vijendar Mukunda Reviewed-by: Daniel Kurtz --- sound/soc/amd/acp-da7219-max98357a.c | 49 +++++++++++++++++++++++++----------- 1 file changed, 35 insertions(+), 14 deletions(-) diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c index 215b06b..6495eed 100644 --- a/sound/soc/amd/acp-da7219-max98357a.c +++ b/sound/soc/amd/acp-da7219-max98357a.c @@ -91,8 +91,7 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd) return 0; } -static int cz_da7219_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) +static int da7219_clk_enable(struct snd_pcm_substream *substream) { int ret = 0; struct snd_soc_pcm_runtime *rtd = substream->private_data; @@ -106,11 +105,9 @@ static int cz_da7219_hw_params(struct snd_pcm_substream *substream, return ret; } -static int cz_da7219_hw_free(struct snd_pcm_substream *substream) +static void da7219_clk_disable(void) { clk_disable_unprepare(da7219_dai_clk); - - return 0; } static const unsigned int channels[] = { @@ -133,7 +130,7 @@ static const struct snd_pcm_hw_constraint_list constraints_channels = { .mask = 0, }; -static int cz_fe_startup(struct snd_pcm_substream *substream) +static int cz_da7219_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -147,23 +144,47 @@ static int cz_fe_startup(struct snd_pcm_substream *substream) snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); - return 0; + return da7219_clk_enable(substream); +} + +static void cz_da7219_shutdown(struct snd_pcm_substream *substream) +{ + da7219_clk_disable(); +} + +static int cz_max_startup(struct snd_pcm_substream *substream) +{ + return da7219_clk_enable(substream); +} + +static void cz_max_shutdown(struct snd_pcm_substream *substream) +{ + da7219_clk_disable(); +} + +static int cz_dmic_startup(struct snd_pcm_substream *substream) +{ + return da7219_clk_enable(substream); +} + +static void cz_dmic_shutdown(struct snd_pcm_substream *substream) +{ + da7219_clk_disable(); } static struct snd_soc_ops cz_da7219_cap_ops = { - .hw_params = cz_da7219_hw_params, - .hw_free = cz_da7219_hw_free, - .startup = cz_fe_startup, + .startup = cz_da7219_startup, + .shutdown = cz_da7219_shutdown, }; static struct snd_soc_ops cz_max_play_ops = { - .hw_params = cz_da7219_hw_params, - .hw_free = cz_da7219_hw_free, + .startup = cz_max_startup, + .shutdown = cz_max_shutdown, }; static struct snd_soc_ops cz_dmic_cap_ops = { - .hw_params = cz_da7219_hw_params, - .hw_free = cz_da7219_hw_free, + .startup = cz_dmic_startup, + .shutdown = cz_dmic_shutdown, }; static struct snd_soc_dai_link cz_dai_7219_98357[] = { -- 2.7.4