iio: imu: inv_mpu6050: reduce sleep time when turning regulators on (398da994) · Commits · 戴 / test

Turning vdd regulator on requires a consequent sleep for the chip to power on correctly. Turning vddio regulator is much faster. Signed-off-by:

drivers/iio/imu/inv_mpu6050/inv_mpu_core.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1201,7 +1201,7 @@ static int inv_mpu_core_enable_regulator_vddio(struct inv_mpu6050_state *st)
		"Failed to enable vddio regulator: %d\n", result);
		} else {
		/* Give the device a little bit of time to start up. */
		usleep_range(35000, 70000);
		usleep_range(3000, 5000);
		}

		return result;
		@@ -1321,6 +1321,7 @@ int inv_mpu_core_probe(struct regmap regmap, int irq, const char name,
		dev_err(dev, "Failed to enable vdd regulator: %d\n", result);
		return result;
		}
		msleep(INV_MPU6050_POWER_UP_TIME);

		result = inv_mpu_core_enable_regulator_vddio(st);
		if (result) {