Hi Kao, Is this device sold with Windows? Can you send full report descriptor (You can get from /sys/kernel/debug/hid)? Thanks, Srinivas On Fri, 2019-12-27 at 10:30 +0800, AceLan Kao wrote: > Hi Bastien, > > Thanks for your suggestion. > I just tried to add the following line into > /lib/udev/hwdb.d/60-sensor.hwdb and got the correct screen rotation. > But the cursor is still un-rotated, the cursor is drawn upside down, > and its coordinates are inverted. > > ######################################### > # STMicro > ######################################### > sensor:modalias:platform:platform:HID-SENSOR-200073 > ACCEL_MOUNT_MATRIX=-1, 0, 0; 0, -1, 0; 0, 0, 1 > > It looks like we should introduce a quirk into hid_sensor_accel_3d > driver. > There are 3 different scale variables in hid_sensor_accel_3d, but I > don't see any of them would work the way I want. > Do you mean to introduce new scale variables? > > drivers/iio/accel/hid-sensor-accel-3d.c:34: int > scale_pre_decml; > drivers/iio/accel/hid-sensor-accel-3d.c:35: int > scale_post_decml; > drivers/iio/accel/hid-sensor-accel-3d.c:36: int > scale_precision; > > Bastien Nocera <hadess@xxxxxxxxxx> 於 2019年12月26日 週四 下午11:03寫道： > > > > On Thu, 2019-12-26 at 17:22 +0800, AceLan Kao wrote: > > > Hi all, > > > > > > I'm working on a new platform which comes with an accelerator > > > meter. > > > It's a STMicroelectronics LSM6DS3US accelerator meter, it doesn't > > > use > > > st_sensors driver, but hid_sensor_accel_3d. > > > After hid_sensor_accel_3d is loaded, the display becomes upside > > > down, > > > so I tried to add some code to make it become normal.(ACCEL_X > > > should > > > have the same modification) > > > > > > I don't know how to fix this in a correct way, please give me > > > some > > > hints. > > > > This needs to be done as a quirk, either by applying a quirk for > > the > > HID descriptors (which should have a definition of the scale, which > > would be negative for this device), or in user-space in systemd's > > hwdb > > database, which your user-space consumers need to take care of: > > https://github.com/systemd/systemd/blob/master/hwdb.d/60-sensor.hwdb > > > > Cheers > >
