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Fri, 7 Jul 2023 13:10:57 +0000 Received: from EUR02-VI1-obe.outbound.protection.outlook.com (104.47.11.42) by westeu11-emailsignatures-cloud.codetwo.com with CodeTwo SMTP Server (TLS12) via SMTP; Fri, 07 Jul 2023 13:10:56 +0000 Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=topic.nl; Received: from DB8PR04MB6523.eurprd04.prod.outlook.com (2603:10a6:10:10f::26) by AS8PR04MB8817.eurprd04.prod.outlook.com (2603:10a6:20b:42c::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6565.17; Fri, 7 Jul 2023 13:10:52 +0000 Received: from DB8PR04MB6523.eurprd04.prod.outlook.com ([fe80::4cd1:3e90:54e5:9696]) by DB8PR04MB6523.eurprd04.prod.outlook.com ([fe80::4cd1:3e90:54e5:9696%5]) with mapi id 15.20.6565.016; Fri, 7 Jul 2023 13:10:52 +0000 From: Mike Looijmans To: devicetree@vger.kernel.org, linux-input@vger.kernel.org CC: Mike Looijmans , Dmitry Torokhov , =?utf-8?q?Uwe_Kleine-K=C3=B6ni?= =?utf-8?q?g?= , linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] Input: exc3000 - Support power supply regulators Date: Fri, 7 Jul 2023 15:10:42 +0200 Message-ID: <20230707131042.10795-2-mike.looijmans@topic.nl> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230707131042.10795-1-mike.looijmans@topic.nl> References: <20230707131042.10795-1-mike.looijmans@topic.nl> <1b153bce-a66a-45ee-a5c6-963ea6fb1c82.949ef384-8293-46b8-903f-40a477c056ae.e9863e93-aebd-4f13-b014-08dab638277d@emailsignatures365.codetwo.com> X-ClientProxiedBy: AM8P190CA0014.EURP190.PROD.OUTLOOK.COM (2603:10a6:20b:219::19) To DB8PR04MB6523.eurprd04.prod.outlook.com (2603:10a6:10:10f::26) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: DB8PR04MB6523:EE_|AS8PR04MB8817:EE_|HE1EUR01FT043:EE_|AM9PR04MB8524:EE_ X-MS-Office365-Filtering-Correlation-Id: b112cde5-bed6-4676-4505-08db7eeb9a2e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; 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Signed-off-by: Mike Looijmans --- Changes in v2: Add missing "return" statement Use devm_regulator_get_enable without _optional drivers/input/touchscreen/exc3000.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/input/touchscreen/exc3000.c b/drivers/input/touchscreen/exc3000.c index 4af4c1e5d0da..e3f6d21b3c1b 100644 --- a/drivers/input/touchscreen/exc3000.c +++ b/drivers/input/touchscreen/exc3000.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -360,6 +361,12 @@ static int exc3000_probe(struct i2c_client *client) if (IS_ERR(data->reset)) return PTR_ERR(data->reset); + /* For proper reset sequence, enable power while reset asserted */ + error = devm_regulator_get_enable(&client->dev, "vdd"); + if (error && error != -ENODEV) + return dev_err_probe(&client->dev, error, + "failed to request vdd regulator\n"); + if (data->reset) { msleep(EXC3000_RESET_MS); gpiod_set_value_cansleep(data->reset, 0);