15738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 25738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 35738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Copyright (C) 2003-2012 Broadcom Corporation 45738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 55738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 65738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * you may not use this file except in compliance with the License. 75738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * You may obtain a copy of the License at: 85738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 95738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * See the License for the specific language governing permissions and 155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * limitations under the License. 165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 219adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan * Interface to AVRCP optional commands 225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 24181932fad8b91dc6831222e5b616574c39a21565Sharvil Nanavati#include <assert.h> 255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <string.h> 265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 27a11035b5ecbc6cbd9da5bd707683504c47e2744ePavlin Radoslavov#include "bt_common.h" 285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "avrc_api.h" 295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "avrc_int.h" 305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function avrc_vendor_msg 345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Compose a VENDOR DEPENDENT command according to p_msg 365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_msg: Pointer to VENDOR DEPENDENT message structure. 395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 415fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov* None. 425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns pointer to a valid GKI buffer if successful. 445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** NULL if p_msg is NULL. 455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic BT_HDR * avrc_vendor_msg(tAVRC_MSG_VENDOR *p_msg) 485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_cmd; 505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_data; 515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 52181932fad8b91dc6831222e5b616574c39a21565Sharvil Nanavati assert(p_msg != NULL); 535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 549adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#if AVRC_METADATA_INCLUDED == TRUE 5524d873998c25b40d763098189b0ade7c87817661Pavlin Radoslavov assert(AVRC_META_CMD_BUF_SIZE > (AVRC_MIN_CMD_LEN + p_msg->vendor_len)); 565fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd = (BT_HDR *)osi_malloc(AVRC_META_CMD_BUF_SIZE); 579adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#else 5824d873998c25b40d763098189b0ade7c87817661Pavlin Radoslavov assert(AVRC_CMD_BUF_SIZE > (AVRC_MIN_CMD_LEN + p_msg->vendor_len)); 595fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd = (BT_HDR *)osi_malloc(AVRC_CMD_BUF_SIZE); 609adddf4965e9ddb01e339b934c343fcbd842a977Ravi Nagarajan#endif 615fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov 625fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->offset = AVCT_MSG_OFFSET; 635fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_data = (UINT8 *)(p_cmd + 1) + p_cmd->offset; 645fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = (p_msg->hdr.ctype & AVRC_CTYPE_MASK); 655fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = (p_msg->hdr.subunit_type << AVRC_SUBTYPE_SHIFT) | p_msg->hdr.subunit_id; 665fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = AVRC_OP_VENDOR; 675fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov AVRC_CO_ID_TO_BE_STREAM(p_data, p_msg->company_id); 685fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov if (p_msg->vendor_len && p_msg->p_vendor_data) 695fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov memcpy(p_data, p_msg->p_vendor_data, p_msg->vendor_len); 705fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->len = (UINT16)(p_data + p_msg->vendor_len - (UINT8 *)(p_cmd + 1) - p_cmd->offset); 715fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->layer_specific = AVCT_DATA_CTRL; 725fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov 735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return p_cmd; 745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_UnitCmd 795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Send a UNIT INFO command to the peer device. This 815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** function can only be called for controller role connections. 825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Any response message from the peer is passed back through 835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the tAVRC_MSG_CBACK callback function. 845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** handle: Handle of this connection. 875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** label: Transaction label. 895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** None. 925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_BAD_HANDLE if handle is invalid. 955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_UnitCmd(UINT8 handle, UINT8 label) 985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 995fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov BT_HDR *p_cmd = (BT_HDR *)osi_malloc(AVRC_CMD_BUF_SIZE); 1005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_data; 1015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1025fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->offset = AVCT_MSG_OFFSET; 1035fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_data = (UINT8 *)(p_cmd + 1) + p_cmd->offset; 1045fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = AVRC_CMD_STATUS; 1055fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov /* unit & id ignore */ 1065fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = (AVRC_SUB_UNIT << AVRC_SUBTYPE_SHIFT) | AVRC_SUBID_IGNORE; 1075fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = AVRC_OP_UNIT_INFO; 1085fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov memset(p_data, AVRC_CMD_OPRND_PAD, AVRC_UNIT_OPRND_BYTES); 1095fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->len = p_data + AVRC_UNIT_OPRND_BYTES - (UINT8 *)(p_cmd + 1) - p_cmd->offset; 1105fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->layer_specific = AVCT_DATA_CTRL; 1115fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov 1125fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov return AVCT_MsgReq(handle, label, AVCT_CMD, p_cmd); 1135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 1165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_SubCmd 1185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Send a SUBUNIT INFO command to the peer device. This 1205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** function can only be called for controller role connections. 1215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Any response message from the peer is passed back through 1225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the tAVRC_MSG_CBACK callback function. 1235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 1255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** handle: Handle of this connection. 1265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** label: Transaction label. 1285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** page: Specifies which part of the subunit type table 1305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** is requested. For AVRCP it is typically zero. 1315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Value range is 0-7. 1325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 1345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** None. 1355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 1375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_BAD_HANDLE if handle is invalid. 1385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 1405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_SubCmd(UINT8 handle, UINT8 label, UINT8 page) 1415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1425fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov BT_HDR *p_cmd = (BT_HDR *)osi_malloc(AVRC_CMD_BUF_SIZE); 1435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 *p_data; 1445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1455fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->offset = AVCT_MSG_OFFSET; 1465fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_data = (UINT8 *)(p_cmd + 1) + p_cmd->offset; 1475fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = AVRC_CMD_STATUS; 1485fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov /* unit & id ignore */ 1495fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = (AVRC_SUB_UNIT << AVRC_SUBTYPE_SHIFT) | AVRC_SUBID_IGNORE; 1505fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = AVRC_OP_SUB_INFO; 1515fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov *p_data++ = ((page&AVRC_SUB_PAGE_MASK) << AVRC_SUB_PAGE_SHIFT) | AVRC_SUB_EXT_CODE; 1525fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov memset(p_data, AVRC_CMD_OPRND_PAD, AVRC_SUB_OPRND_BYTES); 1535fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->len = p_data + AVRC_SUB_OPRND_BYTES - (UINT8 *)(p_cmd + 1) - p_cmd->offset; 1545fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov p_cmd->layer_specific = AVCT_DATA_CTRL; 1555fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov 1565fe6f0cf6b223e3ed6be4912d55b3ed5b41ce0cdPavlin Radoslavov return AVCT_MsgReq(handle, label, AVCT_CMD, p_cmd); 1575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 1605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_VendorCmd 1625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Send a VENDOR DEPENDENT command to the peer device. This 1645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** function can only be called for controller role connections. 1655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Any response message from the peer is passed back through 1665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** the tAVRC_MSG_CBACK callback function. 1675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 1695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** handle: Handle of this connection. 1705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** label: Transaction label. 1725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_msg: Pointer to VENDOR DEPENDENT message structure. 1745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 1765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** None. 1775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 1795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_BAD_HANDLE if handle is invalid. 1805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 1825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_VendorCmd(UINT8 handle, UINT8 label, tAVRC_MSG_VENDOR *p_msg) 1835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 1845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_buf = avrc_vendor_msg(p_msg); 1855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_buf) 1865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVCT_MsgReq( handle, label, AVCT_CMD, p_buf); 1875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 1885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVCT_NO_RESOURCES; 1895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 1905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 1925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 1935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function AVRC_VendorRsp 1955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 1965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description Send a VENDOR DEPENDENT response to the peer device. This 1975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** function can only be called for target role connections. 1985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** This function must be called when a VENDOR DEPENDENT 1995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** command message is received from the peer through the 2005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** tAVRC_MSG_CBACK callback function. 2015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Input Parameters: 2035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** handle: Handle of this connection. 2045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** label: Transaction label. Must be the same value as 2065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** passed with the command message in the callback function. 2075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** p_msg: Pointer to VENDOR DEPENDENT message structure. 2095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Output Parameters: 2115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** None. 2125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns AVRC_SUCCESS if successful. 2145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** AVRC_BAD_HANDLE if handle is invalid. 2155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project******************************************************************************/ 2175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source ProjectUINT16 AVRC_VendorRsp(UINT8 handle, UINT8 label, tAVRC_MSG_VENDOR *p_msg) 2185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project BT_HDR *p_buf = avrc_vendor_msg(p_msg); 2205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_buf) 2215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVCT_MsgReq( handle, label, AVCT_RSP, p_buf); 2225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project else 2235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return AVCT_NO_RESOURCES; 2245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 228