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author | Jiri Slaby <jirislaby@gmail.com> | 2008-06-24 18:42:25 (GMT) |
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committer | Jiri Kosina <jkosina@suse.cz> | 2008-10-14 21:50:52 (GMT) |
commit | 3b239cd739a9499da08326356add3d9d992c7911 (patch) | |
tree | 859cbb6d09d381edcc8e0e9f12437e66bf00c7c5 /drivers/hid/hid-cherry.c | |
parent | 14a21cd459f97e3b3cc4fcde48fc5bcdb81d097e (diff) | |
download | linux-fsl-qoriq-3b239cd739a9499da08326356add3d9d992c7911.tar.xz |
HID: move cherry quirks
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-cherry.c')
-rw-r--r-- | drivers/hid/hid-cherry.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c new file mode 100644 index 0000000..b833b97 --- /dev/null +++ b/drivers/hid/hid-cherry.c @@ -0,0 +1,87 @@ +/* + * HID driver for some cherry "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * 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 "hid-ids.h" + +/* + * Cherry Cymotion keyboard have an invalid HID report descriptor, + * that needs fixing before we can parse it. + */ +static void ch_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) { + dev_info(&hdev->dev, "fixing up Cherry Cymotion report " + "descriptor\n"); + rdesc[11] = rdesc[16] = 0xff; + rdesc[12] = rdesc[17] = 0x03; + } +} + +#define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ch_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_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x301: ch_map_key_clear(KEY_PROG1); break; + case 0x302: ch_map_key_clear(KEY_PROG2); break; + case 0x303: ch_map_key_clear(KEY_PROG3); break; + default: + return 0; + } + + return 1; +} + +static const struct hid_device_id ch_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ch_devices); + +static struct hid_driver ch_driver = { + .name = "cherry", + .id_table = ch_devices, + .report_fixup = ch_report_fixup, + .input_mapping = ch_input_mapping, +}; + +static int ch_init(void) +{ + return hid_register_driver(&ch_driver); +} + +static void ch_exit(void) +{ + hid_unregister_driver(&ch_driver); +} + +module_init(ch_init); +module_exit(ch_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(cherry); |