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HID: lg: fix Report Descriptor for Logitech MOMO Force (Black) 

By default the Logitech MOMO Force (Black) presents a combined accel/brake
axis ('Y'). This patch modifies the HID descriptor to present seperate
accel/brake axes ('Y' and 'Z').

Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Simon Wood 2013-10-10 08:20:13 -06:00 committed by Jiri Kosina
parent 7f50547059
commit 348cbaa800
1 changed files with 58 additions and 0 deletions
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58
drivers/hid/hid-lg.c
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@ -47,6 +47,7 @@
#define DFP_RDESC_ORIG_SIZE 97
#define FV_RDESC_ORIG_SIZE 130
#define MOMO_RDESC_ORIG_SIZE 87
#define MOMO2_RDESC_ORIG_SIZE 87
/* Fixed report descriptors for Logitech Driving Force (and Pro)
* wheel controllers
@ -284,6 +285,54 @@ static __u8 momo_rdesc_fixed[] = {
0xC0 /* End Collection */
};
static __u8 momo2_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystik), */
0xA1, 0x01, /* Collection (Application), */
0xA1, 0x02, /* Collection (Logical), */
0x95, 0x01, /* Report Count (1), */
0x75, 0x0A, /* Report Size (10), */
0x15, 0x00, /* Logical Minimum (0), */
0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
0x35, 0x00, /* Physical Minimum (0), */
0x46, 0xFF, 0x03, /* Physical Maximum (1023), */
0x09, 0x30, /* Usage (X), */
0x81, 0x02, /* Input (Variable), */
0x95, 0x0A, /* Report Count (10), */
0x75, 0x01, /* Report Size (1), */
0x25, 0x01, /* Logical Maximum (1), */
0x45, 0x01, /* Physical Maximum (1), */
0x05, 0x09, /* Usage Page (Button), */
0x19, 0x01, /* Usage Minimum (01h), */
0x29, 0x0A, /* Usage Maximum (0Ah), */
0x81, 0x02, /* Input (Variable), */
0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
0x09, 0x00, /* Usage (00h), */
0x95, 0x04, /* Report Count (4), */
0x81, 0x02, /* Input (Variable), */
0x95, 0x01, /* Report Count (1), */
0x75, 0x08, /* Report Size (8), */
0x26, 0xFF, 0x00, /* Logical Maximum (255), */
0x46, 0xFF, 0x00, /* Physical Maximum (255), */
0x09, 0x01, /* Usage (01h), */
0x81, 0x02, /* Input (Variable), */
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x31, /* Usage (Y), */
0x81, 0x02, /* Input (Variable), */
0x09, 0x32, /* Usage (Z), */
0x81, 0x02, /* Input (Variable), */
0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
0x09, 0x00, /* Usage (00h), */
0x81, 0x02, /* Input (Variable), */
0xC0, /* End Collection, */
0xA1, 0x02, /* Collection (Logical), */
0x09, 0x02, /* Usage (02h), */
0x95, 0x07, /* Report Count (7), */
0x91, 0x02, /* Output (Variable), */
0xC0, /* End Collection, */
0xC0 /* End Collection */
};
/*
* Certain Logitech keyboards send in report #3 keys which are far
* above the logical maximum described in descriptor. This extends
@ -343,6 +392,15 @@ static __u8 *lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
}
break;
case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2:
if (*rsize == MOMO2_RDESC_ORIG_SIZE) {
hid_info(hdev,
"fixing up Logitech Momo Racing Force (Black) report descriptor\n");
rdesc = momo2_rdesc_fixed;
*rsize = sizeof(momo2_rdesc_fixed);
}
break;
case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
if (*rsize == FV_RDESC_ORIG_SIZE) {
hid_info(hdev,