cregit-Linux how code gets into the kernel

Release 4.7 drivers/hid/hid-twinhan.c

Directory: drivers/hid
/*
 * HID driver for TwinHan IR remote control
 *
 * Based on hid-gyration.c
 *
 * Copyright (c) 2009 Bruno Prémont <bonbons@linux-vserver.org>
 */

/*
 * 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.
 */

#include <linux/device.h>
#include <linux/input.h>
#include <linux/hid.h>
#include <linux/module.h>

#include "hid-ids.h"

/*      Remote control key layout + listing:
 *
 *      Full Screen                              Power
 *      KEY_SCREEN                          KEY_POWER2
 *
 *      1                     2                      3
 *      KEY_NUMERIC_1   KEY_NUMERIC_2    KEY_NUMERIC_3
 *
 *      4                     5                      6
 *      KEY_NUMERIC_4   KEY_NUMERIC_5    KEY_NUMERIC_6
 *
 *      7                     8                      9
 *      KEY_NUMERIC_7   KEY_NUMERIC_8    KEY_NUMERIC_9
 *
 *      REC                   0               Favorite
 *      KEY_RECORD      KEY_NUMERIC_0    KEY_FAVORITES
 *
 *      Rewind                                 Forward
 *      KEY_REWIND           CH+           KEY_FORWARD
 *                     KEY_CHANNELUP
 *
 *      VOL-                  >                   VOL+
 *      KEY_VOLUMEDOWN    KEY_PLAY        KEY_VOLUMEUP
 *
 *                           CH-
 *                    KEY_CHANNELDOWN
 *      Recall                                    Stop
 *      KEY_RESTART                           KEY_STOP
 *
 *      Timeshift/Pause     Mute                Cancel
 *      KEY_PAUSE         KEY_MUTE          KEY_CANCEL
 *
 *      Capture            Preview                 EPG
 *      KEY_PRINT        KEY_PROGRAM           KEY_EPG
 *
 *      Record List          Tab              Teletext
 *      KEY_LIST            KEY_TAB           KEY_TEXT
 */


#define th_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
                                        EV_KEY, (c))

static int twinhan_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_KEYBOARD) return 0; switch (usage->hid & HID_USAGE) { /* Map all keys from Twinhan Remote */ case 0x004: th_map_key_clear(KEY_TEXT); break; case 0x006: th_map_key_clear(KEY_RESTART); break; case 0x008: th_map_key_clear(KEY_EPG); break; case 0x00c: th_map_key_clear(KEY_REWIND); break; case 0x00e: th_map_key_clear(KEY_PROGRAM); break; case 0x00f: th_map_key_clear(KEY_LIST); break; case 0x010: th_map_key_clear(KEY_MUTE); break; case 0x011: th_map_key_clear(KEY_FORWARD); break; case 0x013: th_map_key_clear(KEY_PRINT); break; case 0x017: th_map_key_clear(KEY_PAUSE); break; case 0x019: th_map_key_clear(KEY_FAVORITES); break; case 0x01d: th_map_key_clear(KEY_SCREEN); break; case 0x01e: th_map_key_clear(KEY_NUMERIC_1); break; case 0x01f: th_map_key_clear(KEY_NUMERIC_2); break; case 0x020: th_map_key_clear(KEY_NUMERIC_3); break; case 0x021: th_map_key_clear(KEY_NUMERIC_4); break; case 0x022: th_map_key_clear(KEY_NUMERIC_5); break; case 0x023: th_map_key_clear(KEY_NUMERIC_6); break; case 0x024: th_map_key_clear(KEY_NUMERIC_7); break; case 0x025: th_map_key_clear(KEY_NUMERIC_8); break; case 0x026: th_map_key_clear(KEY_NUMERIC_9); break; case 0x027: th_map_key_clear(KEY_NUMERIC_0); break; case 0x028: th_map_key_clear(KEY_PLAY); break; case 0x029: th_map_key_clear(KEY_CANCEL); break; case 0x02b: th_map_key_clear(KEY_TAB); break; /* Power = 0x0e0 + 0x0e1 + 0x0e2 + 0x03f */ case 0x03f: th_map_key_clear(KEY_POWER2); break; case 0x04a: th_map_key_clear(KEY_RECORD); break; case 0x04b: th_map_key_clear(KEY_CHANNELUP); break; case 0x04d: th_map_key_clear(KEY_STOP); break; case 0x04e: th_map_key_clear(KEY_CHANNELDOWN); break; /* Volume down = 0x0e1 + 0x051 */ case 0x051: th_map_key_clear(KEY_VOLUMEDOWN); break; /* Volume up = 0x0e1 + 0x052 */ case 0x052: th_map_key_clear(KEY_VOLUMEUP); break; /* Kill the extra keys used for multi-key "power" and "volume" keys * as well as continuously to release CTRL,ALT,META,... keys */ case 0x0e0: case 0x0e1: case 0x0e2: case 0x0e3: case 0x0e4: case 0x0e5: case 0x0e6: case 0x0e7: default: return -1; } return 1; }

Contributors

PersonTokensPropCommitsCommitProp
bruno premontbruno premont386100.00%1100.00%
Total386100.00%1100.00%

static const struct hid_device_id twinhan_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, { } }; MODULE_DEVICE_TABLE(hid, twinhan_devices); static struct hid_driver twinhan_driver = { .name = "twinhan", .id_table = twinhan_devices, .input_mapping = twinhan_input_mapping, }; module_hid_driver(twinhan_driver); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
bruno premontbruno premont46799.36%133.33%
h hartley sweetenh hartley sweeten20.43%133.33%
al viroal viro10.21%133.33%
Total470100.00%3100.00%
Directory: drivers/hid
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