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Commit 7cfc8aec authored by Mallikarjuna GB's avatar Mallikarjuna GB Committed by Andre Eisenbach
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Reset sniff subrating while in SCO 

Sniff subrating should not be used when link is
in SCO connection. Since the subrating value is
higher, the link would take more time to process
ACL data while in SCO connection causing unwanted
results like delay in SCO disconnects.

Change-Id: I7b964faa397624b65e0158209b8743efe13a6075
parent b1a95a08

system/bta/dm/bta_dm_pm.c

+19 −0
Original line number Diff line number Diff line
@@ -155,6 +155,7 @@ static void bta_dm_pm_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, 


    UINT8 i,j;

    UINT16 policy_setting;

    UINT8 *p = NULL;

#if (BTM_SSR_INCLUDED == TRUE)

    int               index = BTA_DM_PM_SSR0;

#endif
@@ -270,6 +271,24 @@ static void bta_dm_pm_cback(tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, 
    {

        bta_dm_pm_ssr(peer_addr);

    }

    else

    {

        if( ((NULL != (p = BTM_ReadLocalFeatures ())) && HCI_SNIFF_SUB_RATE_SUPPORTED(p)) &&

            ((NULL != (p = BTM_ReadRemoteFeatures (peer_addr))) && HCI_SNIFF_SUB_RATE_SUPPORTED(p)) &&

            (index == BTA_DM_PM_SSR0))

        {

            if (status == BTA_SYS_SCO_OPEN)

            {

                APPL_TRACE_DEBUG("%s: SCO inactive, reset SSR to zero", __func__);

                BTM_SetSsrParams (peer_addr, 0,0,0 );

            }

            else if (status == BTA_SYS_SCO_CLOSE)

            {

                APPL_TRACE_DEBUG("%s: SCO active, back to old SSR", __func__);

                bta_dm_pm_ssr(peer_addr);

            }

        }

    }

#endif



    bta_dm_pm_set_mode(peer_addr, FALSE);