On Thu, 17 Feb 2022 17:27:06 +0100 Andrea Merello <andrea.merello@xxxxxxxxx> wrote: > This patch adds ABI documentation for the new "serial_number" sysfs > attribute. The first user is the bno055 IIO driver. > > Signed-off-by: Andrea Merello <andrea.merello@xxxxxx> > --- > Documentation/ABI/testing/sysfs-bus-iio | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index 1b8d77577608..224585f00147 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -2017,3 +2017,10 @@ Contact: linux-iio@xxxxxxxxxxxxxxx > Description: > Raw (unscaled) euler angles readings. Units after > application of scale are deg. > + > +What: /sys/bus/iio/devices/iio:deviceX/serial_number > +KernelVersion: 5.17 > +Contact: linux-iio@xxxxxxxxxxxxxxx > +Description: > + 16-bytes, 2-digits-per-byte, HEX-string representing the sensor > + unique ID number. This might prove too restrictive for other devices but I guess we can update the help text when they come along. Maybe relax this to An example format is 16-bytes, 2-digits-per-byte .... then we avoid having to update it later when a different format comes along.
