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Commit ed6366c4 authored by Andre Eisenbach's avatar Andre Eisenbach
Browse files

Add Developer menu entry to disable Bluetooth absolute volume 

Bug: 27078729
Change-Id: I24ac605c6d02dc3fe3904c441ec416cb66b63168
parent 102cfe4e

system/btif/src/btif_rc.c

+24 −1
Original line number Original line Diff line number Diff line
@@ -34,6 +34,15 @@ 
#include <hardware/bluetooth.h>

#include <hardware/bluetooth.h>

#include <hardware/bt_rc.h>

#include <hardware/bt_rc.h>





/**

 * TODO(eisenbach): cutils/properties.h is only being used to pull-in runtime

 * settings on Android. Remove this conditional include once we have a generic

 * way to obtain system properties.

 */

#if !defined(OS_GENERIC)

#include <cutils/properties.h>

#endif  /* !defined(OS_GENERIC) */



#include "avrc_defs.h"

#include "avrc_defs.h"

#include "bta_api.h"

#include "bta_api.h"

#include "bta_av_api.h"

#include "bta_av_api.h"
@@ -271,6 +280,7 @@ static bt_status_t get_player_app_setting_cmd(uint8_t num_attrib, uint8_t* attri 
static void btif_rc_upstreams_evt(UINT16 event, tAVRC_COMMAND* p_param, UINT8 ctype, UINT8 label);

static void btif_rc_upstreams_evt(UINT16 event, tAVRC_COMMAND* p_param, UINT8 ctype, UINT8 label);

static void btif_rc_upstreams_rsp_evt(UINT16 event, tAVRC_RESPONSE *pavrc_resp, UINT8 ctype, UINT8 label);

static void btif_rc_upstreams_rsp_evt(UINT16 event, tAVRC_RESPONSE *pavrc_resp, UINT8 ctype, UINT8 label);

static void rc_start_play_status_timer(void);

static void rc_start_play_status_timer(void);

static bool absolute_volume_disabled(void);





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

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

**  Static variables

**  Static variables
@@ -461,7 +471,8 @@ void handle_rc_features(BD_ADDR bd_addr) 
    bt_bdaddr_t rc_addr;

    bt_bdaddr_t rc_addr;

    bdcpy(rc_addr.address, btif_rc_cb.rc_addr);

    bdcpy(rc_addr.address, btif_rc_cb.rc_addr);





    if (interop_match(INTEROP_DISABLE_ABSOLUTE_VOLUME, &rc_addr))

    if (interop_match(INTEROP_DISABLE_ABSOLUTE_VOLUME, &rc_addr)

        || absolute_volume_disabled())

        btif_rc_cb.rc_features &= ~BTA_AV_FEAT_ADV_CTRL;

        btif_rc_cb.rc_features &= ~BTA_AV_FEAT_ADV_CTRL;





    if (btif_rc_cb.rc_features & BTA_AV_FEAT_BROWSE)

    if (btif_rc_cb.rc_features & BTA_AV_FEAT_BROWSE)
@@ -4240,3 +4251,15 @@ static void sleep_ms(period_ms_t timeout_ms) { 
        err = nanosleep(&delay, &delay);

        err = nanosleep(&delay, &delay);

    } while (err == -1 && errno == EINTR);

    } while (err == -1 && errno == EINTR);

}

}



static bool absolute_volume_disabled() {

#if !defined(OS_GENERIC)

    char volume_disabled[PROPERTY_VALUE_MAX] = {0};

    property_get("persist.bluetooth.disableabsvol", volume_disabled, "false");

    if (strncmp(volume_disabled, "true", 4) == 0) {

        BTIF_TRACE_WARNING("%s: Absolute volume disabled by property", __func__);

        return true;

    }

#endif  /* !defined(OS_GENERIC) */

    return false;

}