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-rw-r--r--drivers/hid/hid-lgff.c (renamed from drivers/hid/usbhid/hid-lgff.c)34
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/hid/usbhid/hid-lgff.c b/drivers/hid/hid-lgff.c
index 4b7ab6a46d93..51aff08e10ce 100644
--- a/drivers/hid/usbhid/hid-lgff.c
+++ b/drivers/hid/hid-lgff.c
@@ -30,7 +30,9 @@
#include <linux/input.h>
#include <linux/usb.h>
#include <linux/hid.h>
-#include "usbhid.h"
+
+#include "usbhid/usbhid.h"
+#include "hid-lg.h"
struct dev_type {
u16 idVendor;
@@ -48,6 +50,12 @@ static const signed short ff_joystick[] = {
-1
};
+static const signed short ff_wheel[] = {
+ FF_CONSTANT,
+ FF_AUTOCENTER,
+ -1
+};
+
static const struct dev_type devices[] = {
{ 0x046d, 0xc211, ff_rumble },
{ 0x046d, 0xc219, ff_rumble },
@@ -55,7 +63,7 @@ static const struct dev_type devices[] = {
{ 0x046d, 0xc286, ff_joystick },
{ 0x046d, 0xc294, ff_joystick },
{ 0x046d, 0xc295, ff_joystick },
- { 0x046d, 0xca03, ff_joystick },
+ { 0x046d, 0xca03, ff_wheel },
};
static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect)
@@ -100,7 +108,24 @@ static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *ef
return 0;
}
-int hid_lgff_init(struct hid_device* hid)
+static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude)
+{
+ struct hid_device *hid = input_get_drvdata(dev);
+ struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
+ struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
+ magnitude = (magnitude >> 12) & 0xf;
+ *value++ = 0xfe;
+ *value++ = 0x0d;
+ *value++ = magnitude; /* clockwise strength */
+ *value++ = magnitude; /* counter-clockwise strength */
+ *value++ = 0x80;
+ *value++ = 0x00;
+ *value = 0x00;
+ usbhid_submit_report(hid, report, USB_DIR_OUT);
+}
+
+int lgff_init(struct hid_device* hid)
{
struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
@@ -145,6 +170,9 @@ int hid_lgff_init(struct hid_device* hid)
if (error)
return error;
+ if ( test_bit(FF_AUTOCENTER, dev->ffbit) )
+ dev->ff->set_autocenter = hid_lgff_set_autocenter;
+
printk(KERN_INFO "Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n");
return 0;