iio: imu: inv_mpu6050: dynamic sampling rate change (5e95ca36) · Commits · 戴 / test

Sampling rate can be changed while the chip is running. It can be useful thus do not prevent it. Signed-off-by:

drivers/iio/imu/inv_mpu6050/inv_mpu_core.c

+0 −5

Original line number	Diff line number	Diff line
		@@ -910,10 +910,6 @@ inv_mpu6050_fifo_rate_store(struct device dev, struct device_attribute attr,
		fifo_rate > INV_MPU6050_MAX_FIFO_RATE)
		return -EINVAL;

		result = iio_device_claim_direct_mode(indio_dev);
		if (result)
		return result;

		/* compute the chip sample rate divider */
		d = INV_MPU6050_FIFO_RATE_TO_DIVIDER(fifo_rate);
		/* compute back the fifo rate to handle truncation cases */
		@@ -946,7 +942,6 @@ fifo_rate_fail_power_off:
		result \|= inv_mpu6050_set_power_itg(st, false);
		fifo_rate_fail_unlock:
		mutex_unlock(&st->lock);
		iio_device_release_direct_mode(indio_dev);
		if (result)
		return result;