staging:iio:imu:adis16400 add control of data filtering.

Bartlett filter used. Values read of figures on datasheet so far from precise. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
git-mirror · Nov 27, 2011 · 98c9373 · 98c9373
1 parent df94aba
commit 98c9373
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Showing 2 changed files with 142 additions and 37 deletions.
diff --git a/drivers/staging/iio/imu/adis16400.h b/drivers/staging/iio/imu/adis16400.h
@@ -148,12 +148,14 @@ struct adis16400_chip_info {
  * @tx:			transmit buffer
  * @rx:			receive buffer
  * @buf_lock:		mutex to protect tx and rx
+ * @filt_int:		integer part of requested filter frequency
  **/
 struct adis16400_state {
 	struct spi_device		*us;
 	struct iio_trigger		*trig;
 	struct mutex			buf_lock;
 	struct adis16400_chip_info	*variant;
+	int				filt_int;
 
 	u8	tx[ADIS16400_MAX_TX] ____cacheline_aligned;
 	u8	rx[ADIS16400_MAX_RX] ____cacheline_aligned;