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authorJiri Kosina <jkosina@suse.cz>2009-03-04 16:09:40 +0100
committerJiri Kosina <jkosina@suse.cz>2009-03-30 15:12:53 +0200
commitfdf93aa33268889e126aa677f2072238bd76adb0 (patch)
tree62283ae9912df1b74b6062478ef9bd135e39cc8d /drivers/hid/hid-kensington.c
parent3f866fbd52d1863db5c07700e560aef22c4fdc01 (diff)
downloadlinux-fdf93aa33268889e126aa677f2072238bd76adb0.tar.gz
HID: support for Kensington slimblade device
0x47d/0x2041 device sends two extra buttons in 0xff00 usage page and therefore requires special handling. Reported-by: Jason Noble <nobleja@polezero.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-kensington.c')
-rw-r--r--drivers/hid/hid-kensington.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/hid/hid-kensington.c b/drivers/hid/hid-kensington.c
new file mode 100644
index 000000000000..747fee5b2a73
--- /dev/null
+++ b/drivers/hid/hid-kensington.c
@@ -0,0 +1,65 @@
+/*
+ * HID driver for Kensigton Slimblade Trackball
+ *
+ * Copyright (c) 2009 Jiri Kosina
+ */
+
+/*
+ * 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/input.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "hid-ids.h"
+
+#define ks_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c))
+
+static int ks_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
+ return 0;
+
+ switch (usage->hid & HID_USAGE) {
+ case 0x01: ks_map_key(BTN_MIDDLE); break;
+ case 0x02: ks_map_key(BTN_SIDE); break;
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+static const struct hid_device_id ks_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, ks_devices);
+
+static struct hid_driver ks_driver = {
+ .name = "kensington",
+ .id_table = ks_devices,
+ .input_mapping = ks_input_mapping,
+};
+
+static int ks_init(void)
+{
+ return hid_register_driver(&ks_driver);
+}
+
+static void ks_exit(void)
+{
+ hid_unregister_driver(&ks_driver);
+}
+
+module_init(ks_init);
+module_exit(ks_exit);
+MODULE_LICENSE("GPL");
+
+HID_COMPAT_LOAD_DRIVER(kensington);