[PATCH v2 9/9] iio: ABI: add DAC sysfs synchronous_mode parameter

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From: Angelo Dureghello <adureghello@xxxxxxxxxxxx>

Some DACs as ad3552r need a synchronous mode setting, adding
this parameter for ad3552r and for future use on other DACs,
if needed.

Signed-off-by: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
---
 Documentation/ABI/testing/sysfs-bus-iio-dac | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio-dac b/Documentation/ABI/testing/sysfs-bus-iio-dac
index 810eaac5533c..2f4960c79385 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio-dac
+++ b/Documentation/ABI/testing/sysfs-bus-iio-dac
@@ -59,3 +59,19 @@ Description:
 		multiple predefined symbols. Each symbol corresponds to a different
 		output, denoted as out_voltageY_rawN, where N is the integer value
 		of the symbol. Writing an integer value N will select out_voltageY_rawN.
+
+What:		/sys/bus/iio/devices/iio:deviceX/out_voltage_synchronous_mode
+KernelVersion:	6.13
+Contact:	linux-iio@xxxxxxxxxxxxxxx
+Description:
+		Arm or disarm a wait-for-synchronization flag. Arming this flag
+		means the DAC will wait for a synchronizatiopn signal on a
+		specific internal or external wired connection. I.e., there are
+		cases where multiple DACs IP are built in the same chip or fpga
+		design, and they need to start the data stream synchronized.
+
+What:		/sys/bus/iio/devices/iio:deviceX/out_voltage_synchronous_mode_available
+KernelVersion:	6.13
+Contact:	linux-iio@xxxxxxxxxxxxxxx
+Description:
+		List of available values for synchronous_mode.

-- 
2.45.0.rc1





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