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To: Ravulapati Vishnu vardhan rao Cc: Alexander.Deucher@amd.com, broonie@kernel.org, Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Akshu Agrawal , Wei Yongjun , "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." , open list References: <1584616991-27348-1-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com> From: "Agrawal, Akshu" Message-ID: <8b1ab5dd-954e-29b7-b51f-f8c3e09a1521@amd.com> Date: Fri, 20 Mar 2020 09:39:21 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 In-Reply-To: <1584616991-27348-1-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-ClientProxiedBy: PN1PR0101CA0040.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c00:c::26) To DM5PR12MB1849.namprd12.prod.outlook.com (2603:10b6:3:107::23) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [172.31.32.35] (165.204.159.242) by PN1PR0101CA0040.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c00:c::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2835.19 via Frontend Transport; Fri, 20 Mar 2020 04:09:28 +0000 X-Originating-IP: [165.204.159.242] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: ad0a8dcb-b965-4199-5e65-08d7cc848058 X-MS-TrafficTypeDiagnostic: DM5PR12MB2486:|DM5PR12MB2486: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7219; X-Forefront-PRVS: 03484C0ABF X-Forefront-Antispam-Report: SFV:NSPM;SFS:(10009020)(4636009)(346002)(396003)(366004)(136003)(39860400002)(376002)(199004)(52116002)(16576012)(36756003)(316002)(37006003)(956004)(2616005)(54906003)(16526019)(53546011)(186003)(5660300002)(66556008)(26005)(2906002)(66476007)(66946007)(8936002)(31696002)(6486002)(81156014)(31686004)(6666004)(8676002)(81166006)(478600001)(6636002)(6862004)(4326008);DIR:OUT;SFP:1101;SCL:1;SRVR:DM5PR12MB2486;H:DM5PR12MB1849.namprd12.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1; Received-SPF: None (protection.outlook.com: amd.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 5dVrL3yn0nHp/iYZkV0+FmY0jL8+wJ8vvE1PVmmi7Vd5i6G6eSP1wZ0GwM2xfVUoBgOeuatBWPzIURB85Qemf9US3eKD9Xtl3WfGPn6EhF+b1I0ZWR80vQyJ6jqZTLRFtK0lq6njKbK1dqIzhXkIdvM/ssjkcV/bTQMbVE7VuJTg4+9bSlPmSO8nWt/yO7LHLC5vaBdwCNQ9An2WznufYjwOW/eEgFcgRwAJ7VqTpPju8zpNoUT1tykZgGomyhv3YNWVKK6gmrFJHj30uipYaiX9XPdqk4hP+VwIfB9N4G+ixusDKkp2Nz0lUzdlW0QqKwr8t2e2a+iCPI2YxQUziK6B9lyyBMT8u6FjbbORrPfIat82EniMg0sUYTxESQ3/7NuBwxzHZsP1fUiMuXJm5Of3uQVSQoQmyX4i52L/FVRcABYG0+by+a2hHOGW6nbN X-MS-Exchange-AntiSpam-MessageData: mkqLAvhy2F07y17z+KjlVdaujYsPKoetzlUcIXUhpJFnxPdq4nRSqU1KZ7hhrBOYCwfwnAnxceo/OwEr641CfjgOgeqZAP4Eg+KyJgyxmyu+ToClbuwuVXtv6kL6v0nE3YoXlQV2wugEgq+9VM+OHg== X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: ad0a8dcb-b965-4199-5e65-08d7cc848058 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Mar 2020 04:09:36.3815 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: pgVcDxTI87IUz7FpLo5xeUv/oSVTfjSXbdEX/QQJN+a4t9prL1aXDyhUUDQhFgvZwrpXDaa/uoe1hxRymB1YAw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB2486 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/19/2020 4:52 PM, Ravulapati Vishnu vardhan rao wrote: > When you run aplay subsequently as below by changing the stream format: > > aplay -Dhw:2,0 -c2 -fS16_LE -r48000 /dev/zero -vv -d 5;aplay -Dhw:2,0 > -c2 -fS24_LE -r48000 /dev/zero -vv > as a single command, the format gets corrupted and audio does not play. > > So clear the ACP_(I2S/BT)TDM_ITER/IRER register when dma stops. > > Signed-off-by: Ravulapati Vishnu vardhan rao > --- > sound/soc/amd/raven/acp3x-i2s.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/sound/soc/amd/raven/acp3x-i2s.c b/sound/soc/amd/raven/acp3x-i2s.c > index 3a3c47e..b07c50a 100644 > --- a/sound/soc/amd/raven/acp3x-i2s.c > +++ b/sound/soc/amd/raven/acp3x-i2s.c > @@ -240,9 +240,7 @@ static int acp3x_i2s_trigger(struct snd_pcm_substream *substream, > reg_val = mmACP_I2STDM_IRER; > } > } > - val = rv_readl(rtd->acp3x_base + reg_val); > - val = val & ~BIT(0); > - rv_writel(val, rtd->acp3x_base + reg_val); > + rv_writel(0, rtd->acp3x_base + reg_val); Clearing the entire register might result in issues. IMO better fix is to have a sample_len mask for ITER and IRER register. Use it to clear sample length bits in acp3x_i2s_hwparams function before setting the new format resolution. Thanks, Akshu