HID: add omitted hid-zydacron.c file
Commit a9885c8f7b ("HID: Zydacron Remote Control driver") added
hid-zydracon driver by Don Prince, but mistakenly omitted hid-zydracon.c
file itself. Properly add the file.
Reported-by: Don Prince <dhprince.devel@yahoo.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina
parent
b355850ba3
commit
d0742abaa1
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@ -0,0 +1,237 @@
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/*
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* HID driver for zydacron remote control
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*
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* Copyright (c) 2010 Don Prince <dhprince.devel@yahoo.co.uk>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/device.h>
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#include <linux/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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struct zc_device {
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struct input_dev *input_ep81;
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unsigned short last_key[4];
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};
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/*
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* Zydacron remote control has an invalid HID report descriptor,
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* that needs fixing before we can parse it.
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*/
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static void zc_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int rsize)
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{
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if (rsize >= 253 &&
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rdesc[0x96] == 0xbc && rdesc[0x97] == 0xff &&
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rdesc[0xca] == 0xbc && rdesc[0xcb] == 0xff &&
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rdesc[0xe1] == 0xbc && rdesc[0xe2] == 0xff) {
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dev_info(&hdev->dev,
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"fixing up zydacron remote control report "
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"descriptor\n");
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rdesc[0x96] = rdesc[0xca] = rdesc[0xe1] = 0x0c;
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rdesc[0x97] = rdesc[0xcb] = rdesc[0xe2] = 0x00;
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}
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}
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#define zc_map_key_clear(c) \
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hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
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static int zc_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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int i;
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struct zc_device *zc = hid_get_drvdata(hdev);
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zc->input_ep81 = hi->input;
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
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return 0;
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dbg_hid("zynacron input mapping event [0x%x]\n",
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usage->hid & HID_USAGE);
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switch (usage->hid & HID_USAGE) {
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/* report 2 */
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case 0x10:
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zc_map_key_clear(KEY_MODE);
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break;
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case 0x30:
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zc_map_key_clear(KEY_SCREEN);
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break;
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case 0x70:
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zc_map_key_clear(KEY_INFO);
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break;
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/* report 3 */
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case 0x04:
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zc_map_key_clear(KEY_RADIO);
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break;
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/* report 4 */
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case 0x0d:
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zc_map_key_clear(KEY_PVR);
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break;
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case 0x25:
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zc_map_key_clear(KEY_TV);
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break;
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case 0x47:
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zc_map_key_clear(KEY_AUDIO);
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break;
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case 0x49:
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zc_map_key_clear(KEY_AUX);
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break;
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case 0x4a:
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zc_map_key_clear(KEY_VIDEO);
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break;
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case 0x48:
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zc_map_key_clear(KEY_DVD);
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break;
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case 0x24:
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zc_map_key_clear(KEY_MENU);
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break;
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case 0x32:
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zc_map_key_clear(KEY_TEXT);
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break;
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default:
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return 0;
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}
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for (i = 0; i < 4; i++)
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zc->last_key[i] = 0;
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return 1;
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}
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static int zc_raw_event(struct hid_device *hdev, struct hid_report *report,
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u8 *data, int size)
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{
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struct zc_device *zc = hid_get_drvdata(hdev);
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int ret = 0;
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unsigned key;
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unsigned short index;
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if (report->id == data[0]) {
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/* break keys */
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for (index = 0; index < 4; index++) {
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key = zc->last_key[index];
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if (key) {
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input_event(zc->input_ep81, EV_KEY, key, 0);
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zc->last_key[index] = 0;
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}
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}
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key = 0;
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switch (report->id) {
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case 0x02:
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case 0x03:
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switch (data[1]) {
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case 0x10:
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key = KEY_MODE;
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index = 0;
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break;
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case 0x30:
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key = KEY_SCREEN;
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index = 1;
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break;
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case 0x70:
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key = KEY_INFO;
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index = 2;
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break;
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case 0x04:
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key = KEY_RADIO;
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index = 3;
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break;
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}
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if (key) {
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input_event(zc->input_ep81, EV_KEY, key, 1);
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zc->last_key[index] = key;
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}
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ret = 1;
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break;
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}
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}
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return ret;
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}
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static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id)
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{
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int ret;
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struct zc_device *zc;
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zc = kzalloc(sizeof(*zc), GFP_KERNEL);
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if (zc == NULL) {
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dev_err(&hdev->dev, "zydacron: can't alloc descriptor\n");
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return -ENOMEM;
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}
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hid_set_drvdata(hdev, zc);
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ret = hid_parse(hdev);
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if (ret) {
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dev_err(&hdev->dev, "zydacron: parse failed\n");
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goto err_free;
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}
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ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
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if (ret) {
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dev_err(&hdev->dev, "zydacron: hw start failed\n");
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goto err_free;
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}
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return 0;
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err_free:
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kfree(zc);
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return ret;
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}
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static void zc_remove(struct hid_device *hdev)
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{
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struct zc_device *zc = hid_get_drvdata(hdev);
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hid_hw_stop(hdev);
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if (NULL != zc)
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kfree(zc);
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}
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static const struct hid_device_id zc_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, zc_devices);
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static struct hid_driver zc_driver = {
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.name = "zydacron",
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.id_table = zc_devices,
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.report_fixup = zc_report_fixup,
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.input_mapping = zc_input_mapping,
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.raw_event = zc_raw_event,
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.probe = zc_probe,
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.remove = zc_remove,
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};
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static int __init zc_init(void)
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{
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return hid_register_driver(&zc_driver);
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}
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static void __exit zc_exit(void)
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{
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hid_unregister_driver(&zc_driver);
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}
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module_init(zc_init);
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module_exit(zc_exit);
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MODULE_LICENSE("GPL");
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