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HID: hid-lg4ff: Set absolute axes parametes on DFP 

The lg4ff driver doesn't fill the "input_absinfo" struct so it is left
with default values. Applications with rely on information in this struct
therefore do not work correctly with the wheel.

Other Logitech wheels probably need this fix too, but again I do not have
enough information to write it.

Signed-off-by: Michal Malý <madcatxster@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Michal Malý 2012-09-24 12:13:29 +02:00 committed by Jiri Kosina
parent 2b24a96001
commit a2063172cc
1 changed files with 17 additions and 0 deletions
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17
drivers/hid/hid-lg4ff.c
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@ -43,6 +43,11 @@
#define G27_REV_MAJ 0x12
#define G27_REV_MIN 0x38
#define DFP_X_MIN 0
#define DFP_X_MAX 16383
#define DFP_PEDAL_MIN 0
#define DFP_PEDAL_MAX 255
#define to_hid_device(pdev) container_of(pdev, struct hid_device, dev)
static void hid_lg4ff_set_range_dfp(struct hid_device *hid, u16 range);
@ -593,6 +598,18 @@ int lg4ff_init(struct hid_device *hid)
return error;
dbg_hid("sysfs interface created\n");
/* Set default axes parameters */
switch (lg4ff_devices[i].product_id) {
case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
dbg_hid("Setting axes parameters for Driving Force Pro\n");
input_set_abs_params(dev, ABS_X, DFP_X_MIN, DFP_X_MAX, 0, 0);
input_set_abs_params(dev, ABS_Y, DFP_PEDAL_MIN, DFP_PEDAL_MAX, 0, 0);
input_set_abs_params(dev, ABS_RZ, DFP_PEDAL_MIN, DFP_PEDAL_MAX, 0, 0);
break;
default:
break;
}
/* Set the maximum range to start with */
entry->range = entry->max_range;
if (entry->set_range != NULL)