diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/hid/hid-kensington.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/hid/hid-kensington.c b/drivers/hid/hid-kensington.c new file mode 100644 index 000000000..b31f7f431 --- /dev/null +++ b/drivers/hid/hid-kensington.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * HID driver for Kensigton Slimblade Trackball + * + * Copyright (c) 2009 Jiri Kosina + */ + +/* + */ + +#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, +}; +module_hid_driver(ks_driver); + +MODULE_LICENSE("GPL"); |