[PATCH] iio: imu: adis16475: correct copy paste mistake in comment block

["Nuno Sá" <nuno.sa@analog.com>]

The minimal advised lower rate for adis16475 compatible devices is
1900HZ and not 4000HZ. Set that right in the comments so that it does
not generate any confusion.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
---
 drivers/iio/imu/adis16475.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/imu/adis16475.c b/drivers/iio/imu/adis16475.c
index aec55f7e1f26..3abffb01ba31 100644
--- a/drivers/iio/imu/adis16475.c
+++ b/drivers/iio/imu/adis16475.c
@@ -326,11 +326,11 @@ static int adis16475_set_freq(struct adis16475 *st, const u32 freq)
 
 		/*
 		 * This is not an hard requirement but it's not advised to run the IMU
-		 * with a sample rate lower than 4000Hz due to possible undersampling
+		 * with a sample rate lower than 1900Hz due to possible undersampling
 		 * issues. However, there are users that might really want to take the risk.
 		 * Hence, we provide a module parameter for them. If set, we allow sample
-		 * rates lower than 4KHz. By default, we won't allow this and we just roundup
-		 * the rate to the next multiple of the input clock bigger than 4KHz. This
+		 * rates lower than 1.9KHz. By default, we won't allow this and we just roundup
+		 * the rate to the next multiple of the input clock bigger than 1.9KHz. This
 		 * is done like this as in some cases (when DEC_RATE is 0) might give
 		 * us the closest value to the one desired by the user...
 		 */
-- 
2.39.1