iio: Fix some comments

Signed-off-by: NAlexander Stein <alexander.stein@informatik.tu-chemnitz.de>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

drivers/staging/iio/iio_simple_dummy.c

@@ -54,7 +54,7 @@ struct iio_dummy_accel_calibscale {
 static const struct iio_dummy_accel_calibscale dummy_scales[] = {
 	{ 0, 100, 0x8 }, /* 0.000100 */
 	{ 0, 133, 0x7 }, /* 0.000133 */
-	{ 733, 13, 0x9 }, /* 733.00013 */
+	{ 733, 13, 0x9 }, /* 733.000013 */
 };
 
 /*
@@ -284,7 +284,7 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev,
 /**
  * iio_dummy_write_raw() - data write function.
  * @indio_dev:	the struct iio_dev associated with this device instance
- * @chan:	the channel whose data is to be read
+ * @chan:	the channel whose data is to be written
  * @val:	first element of value to set (typically INT)
  * @val2:	second element of value to set (typically MICRO)
  * @mask:	what we actually want to write. 0 is the channel, everything else

drivers/staging/iio/iio_simple_dummy_buffer.c

@@ -155,7 +155,7 @@ int iio_simple_dummy_configure_buffer(struct iio_dev *indio_dev,
 	 * occurs, this function is run. Typically this grabs data
 	 * from the device.
 	 *
-	 * NULL for the top half. This is normally implemented only if we
+	 * NULL for the bottom half. This is normally implemented only if we
 	 * either want to ping a capture now pin (no sleeping) or grab
 	 * a timestamp as close as possible to a data ready trigger firing.
 	 *