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iio: imu: inv_mpu6050: reduce sleep time when turning regulators on
Turning vdd regulator on requires a consequent sleep for the chip to power on correctly. Turning vddio regulator is much faster. Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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1 changed files with 2 additions and 1 deletions
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@ -1201,7 +1201,7 @@ static int inv_mpu_core_enable_regulator_vddio(struct inv_mpu6050_state *st)
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"Failed to enable vddio regulator: %d\n", result);
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} else {
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/* Give the device a little bit of time to start up. */
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usleep_range(35000, 70000);
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usleep_range(3000, 5000);
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}
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return result;
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@ -1321,6 +1321,7 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
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dev_err(dev, "Failed to enable vdd regulator: %d\n", result);
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return result;
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}
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msleep(INV_MPU6050_POWER_UP_TIME);
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result = inv_mpu_core_enable_regulator_vddio(st);
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if (result) {
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