Messages in this thread | | | Date | Fri, 4 Sep 2015 14:48:41 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [PATCH v1] HID: sensor-hub: Fixup for Lenovo ThinkPad Helix 2 sensor hub report |
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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@gmail.com> > Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Applied to for-4.3/upstream-fixes. Thanks,
-- Jiri Kosina SUSE Labs
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