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Diffstat (limited to 'include/linux/iio/imu')
-rw-r--r--include/linux/iio/imu/adis.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h
index 247fc4c7185c..2df67448f0d1 100644
--- a/include/linux/iio/imu/adis.h
+++ b/include/linux/iio/imu/adis.h
@@ -83,6 +83,8 @@ struct adis_data {
* @trig: IIO trigger object data
* @data: ADIS chip variant specific data
* @burst: ADIS burst transfer information
+ * @burst_extra_len: Burst extra length. Should only be used by devices that can
+ * dynamically change their burst mode length.
* @state_lock: Lock used by the device to protect state
* @msg: SPI message object
* @xfer: SPI transfer objects to be used for a @msg
@@ -98,7 +100,7 @@ struct adis {
const struct adis_data *data;
struct adis_burst *burst;
-
+ unsigned int burst_extra_len;
/**
* The state_lock is meant to be used during operations that require
* a sequence of SPI R/W in order to protect the SPI transfer
@@ -502,11 +504,14 @@ int adis_single_conversion(struct iio_dev *indio_dev,
* @en burst mode enabled
* @reg_cmd register command that triggers burst
* @extra_len extra length to account in the SPI RX buffer
+ * @burst_max_len holds the maximum burst size when the device supports
+ * more than one burst mode with different sizes
*/
struct adis_burst {
bool en;
unsigned int reg_cmd;
- unsigned int extra_len;
+ const u32 extra_len;
+ const u32 burst_max_len;
};
int