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Wed, 19 Feb 2020 14:41:17 +0000 From: Jean-Baptiste Maneyrol To: jic23@kernel.org, linux-iio@vger.kernel.org Cc: Jean-Baptiste Maneyrol Subject: [PATCH v2 13/13] iio: imu: inv_mpu6050: temperature only work with accel/gyro Date: Wed, 19 Feb 2020 15:39:58 +0100 Message-Id: <20200219143958.3548-14-jmaneyrol@invensense.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200219143958.3548-1-jmaneyrol@invensense.com> References: <20200219143958.3548-1-jmaneyrol@invensense.com> Content-Type: text/plain X-ClientProxiedBy: BYAPR01CA0043.prod.exchangelabs.com (2603:10b6:a03:94::20) To CH2PR12MB4181.namprd12.prod.outlook.com (2603:10b6:610:a8::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from frgnb-12nlpn2.invcorp.invensense.com (77.157.193.39) by BYAPR01CA0043.prod.exchangelabs.com (2603:10b6:a03:94::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2750.17 via Frontend Transport; Wed, 19 Feb 2020 14:41:15 +0000 X-Mailer: git-send-email 2.17.1 X-Originating-IP: [77.157.193.39] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3e729fb5-7e87-4f4f-1519-08d7b549c6e4 X-MS-TrafficTypeDiagnostic: CH2PR12MB4213: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:612; 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Prevent polling value if they are not running. Anyway it doesn't make sense to use it without sensor engines on. Signed-off-by: Jean-Baptiste Maneyrol --- drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 750fbc2614f0..94a989368b94 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -597,6 +597,11 @@ static int inv_mpu6050_read_channel_data(struct iio_dev *indio_dev, chan->channel2, val); break; case IIO_TEMP: + /* temperature sensor work only with accel and/or gyro */ + if (!st->chip_config.accl_en && !st->chip_config.gyro_en) { + result = -EBUSY; + goto error_power_off; + } if (!st->chip_config.temp_en) { result = inv_mpu6050_switch_engine(st, true, INV_MPU6050_SENSOR_TEMP); -- 2.17.1