ch_map_key_clear
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;
case 0xff01: ch_map_key_clear(BTN_1); break;
case 0xff02: ch_map_key_clear(BTN_2); break;
case 0xff03: ch_map_key_clear(BTN_3); break;
case 0xff04: ch_map_key_clear(BTN_4); break;
case 0xff05: ch_map_key_clear(BTN_5); break;
case 0xff06: ch_map_key_clear(BTN_6); break;
case 0xff07: ch_map_key_clear(BTN_7); break;
case 0xff08: ch_map_key_clear(BTN_8); break;
case 0xff09: ch_map_key_clear(BTN_9); break;
case 0xff0a: ch_map_key_clear(BTN_A); break;
case 0xff0b: ch_map_key_clear(BTN_B); break;
case 0x00f1: ch_map_key_clear(KEY_WLAN); break;
case 0x00f2: ch_map_key_clear(KEY_BRIGHTNESSDOWN); break;
case 0x00f3: ch_map_key_clear(KEY_BRIGHTNESSUP); break;
case 0x00f4: ch_map_key_clear(KEY_DISPLAY_OFF); break;
case 0x00f7: ch_map_key_clear(KEY_CAMERA); break;
case 0x00f8: ch_map_key_clear(KEY_PROG1); break;