summaryrefslogtreecommitdiffstats
path: root/drivers/hid/hid-saitek.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 21:11:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 21:11:42 -0700
commitd464c92b5234227c1698862a1906827e2e398ae0 (patch)
tree85bfa3a222fd04ab6bee19d0143426c7080553d4 /drivers/hid/hid-saitek.c
parent3b59bf081622b6446db77ad06c93fe23677bc533 (diff)
parent4a247a4119ee932e06e985e0a95a13c3eed4715b (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina: "It contains HID driver updates all over the place -- a lot of new hardware support especially in the multitouch area, including generic handling of all multitouch devices by the hid-multitiouch driver automatically." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (42 commits) HID: multitouch: add PID for Fructel product HID: wacom: Add reporting of wheel for Intuos4 WL HID: wacom: Replace __set_bit with input_set_capability HID: tivo: add support for BT-version (0x1200) HID: wacom: Reset stylus buttons - Intuos4 WL HID: multitouch: detect serial protocol HID: handle all multitouch devices through hid-multitouch HID: multitouch: fix handling of buggy reports descriptors for Dell ST2220T HID: make it possible to force hid-core claim the device HID: multitouch: add support for eGalax 0x722a HID: usbhid: add quirk no_get for quanta 3008 devices HID: multitouch: add more eGalax devices HID: multitouch: add new PID from Ideacom HID: multitouch: add support for Atmel maXTouch 03eb:2118 HID: waltop: Add support for tablet with PID 0038 HID: waltop: Replace original rdescs with links HID: uclogic: Replace original rdescs with links HID: wacom: Add pad buttons reporting on Intuos4 WL HID: wacom: report distance for Intuos4 WL HID: kye: Add support for 3 tablets ...
Diffstat (limited to 'drivers/hid/hid-saitek.c')
-rw-r--r--drivers/hid/hid-saitek.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/hid/hid-saitek.c b/drivers/hid/hid-saitek.c
new file mode 100644
index 00000000000..45aea77bb61
--- /dev/null
+++ b/drivers/hid/hid-saitek.c
@@ -0,0 +1,70 @@
+/*
+ * HID driver for Saitek devices, currently only the PS1000 (USB gamepad).
+ * Fixes the HID report descriptor by removing a non-existent axis and
+ * clearing the constant bit on the input reports for buttons and d-pad.
+ * (This module is based on "hid-ortek".)
+ *
+ * Copyright (c) 2012 Andreas Hübner
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+
+#include "hid-ids.h"
+
+static __u8 *saitek_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ if (*rsize == 137 && rdesc[20] == 0x09 && rdesc[21] == 0x33
+ && rdesc[94] == 0x81 && rdesc[95] == 0x03
+ && rdesc[110] == 0x81 && rdesc[111] == 0x03) {
+
+ hid_info(hdev, "Fixing up Saitek PS1000 report descriptor\n");
+
+ /* convert spurious axis to a "noop" Logical Minimum (0) */
+ rdesc[20] = 0x15;
+ rdesc[21] = 0x00;
+
+ /* clear constant bit on buttons and d-pad */
+ rdesc[95] = 0x02;
+ rdesc[111] = 0x02;
+
+ }
+ return rdesc;
+}
+
+static const struct hid_device_id saitek_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000)},
+ { }
+};
+
+MODULE_DEVICE_TABLE(hid, saitek_devices);
+
+static struct hid_driver saitek_driver = {
+ .name = "saitek",
+ .id_table = saitek_devices,
+ .report_fixup = saitek_report_fixup
+};
+
+static int __init saitek_init(void)
+{
+ return hid_register_driver(&saitek_driver);
+}
+
+static void __exit saitek_exit(void)
+{
+ hid_unregister_driver(&saitek_driver);
+}
+
+module_init(saitek_init);
+module_exit(saitek_exit);
+MODULE_LICENSE("GPL");