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Message-Id: <20131202191158.918563913@linuxfoundation.org>
Date: Mon, 2 Dec 2013 11:11:58 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Simon Wood <simon@...gewell.org>,
Jiri Kosina <jkosina@...e.cz>
Subject: [PATCH 3.10 135/173] HID: lg: fix ReportDescriptor for Logitech Formula Vibration
3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Simon Wood <simon@...gewell.org>
commit 7f50547059bd55ac6a98c29fd1989421bdc36ec9 upstream.
By default the Logitech Formula Vibration 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@...gewell.org>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/hid/hid-lg.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -45,6 +45,7 @@
/* Size of the original descriptors of the Driving Force (and Pro) wheels */
#define DF_RDESC_ORIG_SIZE 130
#define DFP_RDESC_ORIG_SIZE 97
+#define FV_RDESC_ORIG_SIZE 130
#define MOMO_RDESC_ORIG_SIZE 87
/* Fixed report descriptors for Logitech Driving Force (and Pro)
@@ -170,6 +171,73 @@ static __u8 dfp_rdesc_fixed[] = {
0xC0 /* End Collection */
};
+static __u8 fv_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, 0x0C, /* Report Count (12), */
+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, 0x0C, /* Usage Maximum (0Ch), */
+0x81, 0x02, /* Input (Variable), */
+0x95, 0x02, /* Report Count (2), */
+0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+0x09, 0x01, /* Usage (01h), */
+0x81, 0x02, /* Input (Variable), */
+0x09, 0x02, /* Usage (02h), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x95, 0x01, /* Report Count (1), */
+0x75, 0x08, /* Report Size (8), */
+0x81, 0x02, /* Input (Variable), */
+0x05, 0x01, /* Usage Page (Desktop), */
+0x25, 0x07, /* Logical Maximum (7), */
+0x46, 0x3B, 0x01, /* Physical Maximum (315), */
+0x75, 0x04, /* Report Size (4), */
+0x65, 0x14, /* Unit (Degrees), */
+0x09, 0x39, /* Usage (Hat Switch), */
+0x81, 0x42, /* Input (Variable, Null State), */
+0x75, 0x01, /* Report Size (1), */
+0x95, 0x04, /* Report Count (4), */
+0x65, 0x00, /* Unit, */
+0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+0x09, 0x01, /* Usage (01h), */
+0x25, 0x01, /* Logical Maximum (1), */
+0x45, 0x01, /* Physical Maximum (1), */
+0x81, 0x02, /* Input (Variable), */
+0x05, 0x01, /* Usage Page (Desktop), */
+0x95, 0x01, /* Report Count (1), */
+0x75, 0x08, /* Report Size (8), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x09, 0x31, /* Usage (Y), */
+0x81, 0x02, /* Input (Variable), */
+0x09, 0x32, /* Usage (Z), */
+0x81, 0x02, /* Input (Variable), */
+0xC0, /* End Collection, */
+0xA1, 0x02, /* Collection (Logical), */
+0x26, 0xFF, 0x00, /* Logical Maximum (255), */
+0x46, 0xFF, 0x00, /* Physical Maximum (255), */
+0x95, 0x07, /* Report Count (7), */
+0x75, 0x08, /* Report Size (8), */
+0x09, 0x03, /* Usage (03h), */
+0x91, 0x02, /* Output (Variable), */
+0xC0, /* End Collection, */
+0xC0 /* End Collection */
+};
+
static __u8 momo_rdesc_fixed[] = {
0x05, 0x01, /* Usage Page (Desktop), */
0x09, 0x04, /* Usage (Joystik), */
@@ -275,6 +343,15 @@ static __u8 *lg_report_fixup(struct hid_
}
break;
+ case USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL:
+ if (*rsize == FV_RDESC_ORIG_SIZE) {
+ hid_info(hdev,
+ "fixing up Logitech Formula Vibration report descriptor\n");
+ rdesc = fv_rdesc_fixed;
+ *rsize = sizeof(fv_rdesc_fixed);
+ }
+ break;
+
case USB_DEVICE_ID_LOGITECH_DFP_WHEEL:
if (*rsize == DFP_RDESC_ORIG_SIZE) {
hid_info(hdev,
--
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