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Commit 38df6a71 authored by Matthew Xie's avatar Matthew Xie
Browse files

Blacklist Devices that donot handle absolute volume well 

Use vendor prefix address, include hbs730 headset, passat carkit
bug 11124170

Change-Id: I80f634366ce332c55581d7b1e36641e5ce3ad346
parent 3005e0ed

system/btif/src/btif_rc.c

+34 −0
Original line number Diff line number Diff line
@@ -144,6 +144,7 @@ static int uinput_driver_check(); 
static int  uinput_create(char *name);

static int  init_uinput (void);

static void close_uinput (void);

static BOOLEAN dev_blacklisted_for_absolute_volume(BD_ADDR peer_dev);



static const struct {

    const char *name;
@@ -161,6 +162,11 @@ static const struct { 
    { NULL,           0,                0,                0 }

};



static const UINT8 rc_black_addr_prefix[][3] = {

    {0x0, 0x18, 0x6b}, // HBS-730

    {0x0, 0x26, 0x7E}  // VW Passat

};



static void send_reject_response (UINT8 rc_handle, UINT8 label,

    UINT8 pdu, UINT8 status);

static UINT8 opcode_from_pdu(UINT8 pdu);
@@ -325,6 +331,11 @@ void handle_rc_features() 
    bt_bdaddr_t rc_addr;

    bdcpy(rc_addr.address, btif_rc_cb.rc_addr);



    if (dev_blacklisted_for_absolute_volume(btif_rc_cb.rc_addr))

    {

        btif_rc_cb.rc_features &= ~BTA_AV_FEAT_ADV_CTRL;

    }



    if (btif_rc_cb.rc_features & BTA_AV_FEAT_BROWSE)

    {

        rc_features |= BTRC_FEAT_BROWSE;
@@ -1620,3 +1631,26 @@ void lbl_destroy() 
{

    pthread_mutex_destroy(&(device.lbllock));

}



/*******************************************************************************

**      Function       dev_blacklisted_for_absolute_volume

**

**      Description    Blacklist Devices that donot handle absolute volume well

**

**      Returns        True if the device is in the list

*******************************************************************************/

static BOOLEAN dev_blacklisted_for_absolute_volume(BD_ADDR peer_dev)

{

    int i;

    int blacklist_size = sizeof(rc_black_addr_prefix)/sizeof(rc_black_addr_prefix[0]);

    for (i = 0; i < blacklist_size; i++) {

        if (rc_black_addr_prefix[i][0] == peer_dev[0] &&

            rc_black_addr_prefix[i][1] == peer_dev[1] &&

            rc_black_addr_prefix[i][2] == peer_dev[2]) {

            BTIF_TRACE_WARNING3("blacklist absolute volume for %02x:%02x:%02x",

                                peer_dev[0], peer_dev[1], peer_dev[2]);

            return TRUE;

        }

    }

    return FALSE;

}