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Sun, 11 Nov 2018 23:33:24 -0600 From: Vijendar Mukunda To: Date: Mon, 12 Nov 2018 11:05:00 +0530 Message-ID: <1542000903-19020-10-git-send-email-Vijendar.Mukunda@amd.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1542000903-19020-1-git-send-email-Vijendar.Mukunda@amd.com> References: <1542000903-19020-1-git-send-email-Vijendar.Mukunda@amd.com> MIME-Version: 1.0 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)(39860400002)(376002)(136003)(2980300002)(428003)(189003)(199004)(336012)(72206003)(2906002)(53416004)(305945005)(54906003)(316002)(77096007)(39060400002)(7696005)(26005)(51416003)(426003)(47776003)(4326008)(76176011)(14444005)(186003)(8676002)(53936002)(105586002)(16586007)(5660300001)(478600001)(97736004)(486006)(476003)(356004)(6666004)(11346002)(8936002)(50466002)(446003)(81156014)(86362001)(81166006)(48376002)(36756003)(106466001)(109986005)(68736007)(2616005)(50226002)(1671002)(104016004)(126002)(42413003)(266003)(32563001); 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Ip=[165.204.84.17]; Helo=[SATLEXCHOV01.amd.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN1PR12MB0623 Cc: "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." , Maruthi Bayyavarapu , open list , Takashi Iwai , Liam Girdwood , Vishnuvardhanrao.Ravulapati@amd.com, Mark Brown , Vijendar Mukunda , Alexander.Deucher@amd.com Subject: [alsa-devel] [PATCH 09/11] ASoC: amd: add acp3x runtime pm ops 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 Added runtime PM operations for ACP3x PCM platform device. Signed-off-by: Maruthi Bayyavarapu Tested-by: Ravulapati Vishnu vardhan Rao Signed-off-by: Vijendar Mukunda --- sound/soc/amd/raven/acp3x-pcm-dma.c | 39 +++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c index 15a5f3b..710c5c5 100644 --- a/sound/soc/amd/raven/acp3x-pcm-dma.c +++ b/sound/soc/amd/raven/acp3x-pcm-dma.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -660,6 +661,9 @@ static int acp3x_audio_probe(struct platform_device *pdev) goto dev_err; } + pm_runtime_set_autosuspend_delay(&pdev->dev, 10000); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_enable(&pdev->dev); return 0; dev_err: status = acp3x_deinit(adata->acp3x_base); @@ -682,14 +686,49 @@ static int acp3x_audio_remove(struct platform_device *pdev) else dev_info(&pdev->dev, "ACP de-initialized\n"); + pm_runtime_disable(&pdev->dev); return 0; } +static int acp3x_pcm_runtime_suspend(struct device *dev) +{ + int status; + struct i2s_dev_data *adata = dev_get_drvdata(dev); + + status = acp3x_deinit(adata->acp3x_base); + if (status) + dev_err(dev, "ACP de-init failed\n"); + else + dev_info(dev, "ACP de-initialized\n"); + + rv_writel(0, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB); + + return 0; +} + +static int acp3x_pcm_runtime_resume(struct device *dev) +{ + int status; + struct i2s_dev_data *adata = dev_get_drvdata(dev); + + status = acp3x_init(adata->acp3x_base); + if (status) + return -ENODEV; + rv_writel(1, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB); + return 0; +} + +static const struct dev_pm_ops acp3x_pm_ops = { + .runtime_suspend = acp3x_pcm_runtime_suspend, + .runtime_resume = acp3x_pcm_runtime_resume, +}; + static struct platform_driver acp3x_dma_driver = { .probe = acp3x_audio_probe, .remove = acp3x_audio_remove, .driver = { .name = "acp3x_rv_i2s", + .pm = &acp3x_pm_ops, }, };