On Thu, 3 Sep 2015, Srinivas Pandruvada wrote: > On Thu, 2015-09-03 at 12:56 -0300, Fernando D S Lima wrote: > > There is an error in the report descriptor of the Thinkpad Helix 2 > > where > > logical minimum value (557376) is greater than logical maximum > > (491200) > > for all of the magnetic flux axis data fields. This error results in > > a > > report descriptor parsing failure that causes the sensors attached to > > the > > hub not to be detected. > > > > dmesg excerpt: > > [ 19.866905] drivers/hid/hid-core.c: logical range invalid 0x88140 > > 0x77ec0 > > [ 19.866914] hid-sensor-hub 0018:2047:0855.0007: item 0 1 0 8 > > parsing failed > > [ 19.866926] hid-sensor-hub 0018:2047:0855.0007: parse failed > > [ 19.866933] hid-sensor-hub: probe of 0018:2047:0855.0007 failed > > with error -22 > > > > Add a report fixup to change magnetic flux logical minimums to > > -557376 > > for the parsing to succeed and the sensors to get detected. > > After applying the fix the sensors get detected, with corresponding > > drivers > > (hid-accel-3d,hid-gyro-3d,etc) loaded, and its possible to read their > > values. > > > > Signed-off-by: Fernando D S Lima <fernandodsl@xxxxxxxxx> > Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx> Applied to for-4.3/upstream-fixes. Thanks, -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
