diff options
author | Jiri Kosina <jkosina@suse.cz> | 2009-03-04 15:09:40 (GMT) |
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committer | Jiri Kosina <jkosina@suse.cz> | 2009-03-30 13:12:53 (GMT) |
commit | fdf93aa33268889e126aa677f2072238bd76adb0 (patch) | |
tree | 62283ae9912df1b74b6062478ef9bd135e39cc8d /drivers/hid/hid-kensington.c | |
parent | 3f866fbd52d1863db5c07700e560aef22c4fdc01 (diff) | |
download | linux-fsl-qoriq-fdf93aa33268889e126aa677f2072238bd76adb0.tar.xz |
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.c | 65 |
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 0000000..747fee5 --- /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); |