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linux-yocto/Documentation/ABI/testing/sysfs-bus-iio-dac
Kim Seer Paller 5fe8da6127 iio: ABI: Generalize ABI documentation for DAC 
Introduces a more generalized ABI documentation for DAC. Instead of
having separate ABI files for each DAC, we now have a single ABI file
that covers the common sysfs interface for all DAC.

Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
https://patch.msgid.link/20240718051834.32270-2-kimseer.paller@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-03 10:13:37 +01:00

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What: /sys/bus/iio/devices/iio:deviceX/out_currentY_toggle_en KernelVersion: 5.18 Contact: linux-iio@vger.kernel.org Description: Toggle enable. Write 1 to enable toggle or 0 to disable it. This is useful when one wants to change the DAC output codes. For autonomous toggling, the way it should be done is:

	- disable toggle operation;
	- change out_currentY_rawN, where N is the integer value of the symbol;
	- enable toggle operation.

What: /sys/bus/iio/devices/iio:deviceX/out_currentY_rawN KernelVersion: 5.18 Contact: linux-iio@vger.kernel.org Description: This attribute has the same meaning as out_currentY_raw. It is specific to toggle enabled channels and refers to the DAC output code in INPUT_N (_rawN), where N is the integer value of the symbol. The same scale and offset as in out_currentY_raw applies.

What: /sys/bus/iio/devices/iio:deviceX/out_currentY_symbol KernelVersion: 5.18 Contact: linux-iio@vger.kernel.org Description: Performs a SW switch to a predefined output symbol. This attribute is specific to toggle enabled channels and allows switching between multiple predefined symbols. Each symbol corresponds to a different output, denoted as out_currentY_rawN, where N is the integer value of the symbol. Writing an integer value N will select out_currentY_rawN.

What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_toggle_en KernelVersion: 5.18 Contact: linux-iio@vger.kernel.org Description: Toggle enable. Write 1 to enable toggle or 0 to disable it. This is useful when one wants to change the DAC output codes. For autonomous toggling, the way it should be done is:

	- disable toggle operation;
	- change out_voltageY_rawN, where N is the integer value of the symbol;
	- enable toggle operation.

What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_rawN KernelVersion: 5.18 Contact: linux-iio@vger.kernel.org Description: This attribute has the same meaning as out_currentY_raw. It is specific to toggle enabled channels and refers to the DAC output code in INPUT_N (_rawN), where N is the integer value of the symbol. The same scale and offset as in out_currentY_raw applies.

What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_symbol KernelVersion: 5.18 Contact: linux-iio@vger.kernel.org Description: Performs a SW switch to a predefined output symbol. This attribute is specific to toggle enabled channels and allows switching between 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.