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Date: Fri, 18 Dec 2015 18:23:52 +0100 From: Marc Titinger <mtitinger@...libre.com> To: jic23@...nel.org, knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, Marc Titinger <mtitinger@...libre.com> Subject: [PATCH v4 2/2] iio: ina2xx: add ABI documentation entry sysfs-bus-iio-ina2xx-adc Documentation for attributes: * in_allow_async_readout * in_shunt_resistor Signed-off-by: Marc Titinger <mtitinger@...libre.com> --- Documentation/ABI/testing/sysfs-bus-iio-ina2xx-adc | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-ina2xx-adc diff --git a/Documentation/ABI/testing/sysfs-bus-iio-ina2xx-adc b/Documentation/ABI/testing/sysfs-bus-iio-ina2xx-adc new file mode 100644 index 0000000..8916f7e --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-ina2xx-adc @@ -0,0 +1,24 @@ +What: /sys/bus/iio/devices/iio:deviceX/in_allow_async_readout +Date: December 2015 +KernelVersion: 4.4 +Contact: linux-iio@...r.kernel.org +Description: + By default (value '0'), the capture thread checks for the Conversion + Ready Flag to being set prior to committing a new value to the sample + buffer. This synchronizes the in-chip conversion rate with the + in-driver readout rate at the cost of an additional register read. + + Writing '1' will remove the polling for the Conversion Ready Flags to + save the additional i2c transaction, which will improve the bandwidth + available for reading data. However, samples can be occasionally skipped + or repeated, depending on the beat between the capture and conversion + rates. + +What: /sys/bus/iio/devices/iio:deviceX/in_shunt_resistor +Date: December 2015 +KernelVersion: 4.4 +Contact: linux-iio@...r.kernel.org +Description: + The value of the shunt resistor may be known only at runtime fom an + eeprom content read by a client application. This attribute allows to + set its value in ohms. -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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