The ad4695 driver has a quirk where the temperature channel can't be enabled on its own for buffered reads, so we should document this. Also, since there are 4 possible modes of reading conversion data, it is useful to know which one is actually being used, namely the advanced sequencer mode. Signed-off-by: David Lechner <dlechner@xxxxxxxxxxxx> --- Documentation/iio/ad4695.rst | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/Documentation/iio/ad4695.rst b/Documentation/iio/ad4695.rst index a33e573d61d6..af76ce2d0702 100644 --- a/Documentation/iio/ad4695.rst +++ b/Documentation/iio/ad4695.rst @@ -147,9 +147,19 @@ Unimplemented features ---------------------- - Additional wiring modes -- Buffered reads - Threshold events - Oversampling - Gain/offset calibration - GPIO support - CRC support + +Device buffers +============== + +This driver supports hardware triggered buffers. This uses the "advanced +sequencer" feature of the chip to trigger a burst of conversions. + +Due to hardware constraints, the temperature channel cannot be read on its own +for buffered reads. At least one voltage channel must also be enabled. + +Also see :doc:`iio_devbuf` for more general information. -- 2.43.0