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Commit fdc6f017 authored by Andre Eisenbach's avatar Andre Eisenbach Committed by android-build-merger
Browse files

Limit sniff mode for Nintendo Pro Controller to 11.25ms 

am: f425b665

Change-Id: Ic6398eb054f7bc20c7ab4dc2ee1e603c683c9044
parents 56e55f58 f425b665

system/bta/hh/bta_hh_utils.cc

+6 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#if (BTA_HH_INCLUDED == TRUE)



#include "bta_hh_int.h"

#include "device/include/interop.h"

#include "osi/include/osi.h"



/* if SSR max latency is not defined by remote device, set the default value
@@ -393,6 +394,11 @@ tBTA_HH_STATUS bta_hh_read_ssr_param(const RawAddress& bd_addr, 
        if (ssr_max_latency > BTA_HH_SSR_MAX_LATENCY_DEF)

          ssr_max_latency = BTA_HH_SSR_MAX_LATENCY_DEF;



        if (interop_match_addr(INTEROP_HID_HOST_LIMIT_SNIFF_INTERVAL,

                               &bd_addr)) {

          if (ssr_max_latency > 18 /* slots * 0.625ms */) ssr_max_latency = 18;

        }



        *p_max_ssr_lat = ssr_max_latency;

      } else

        *p_max_ssr_lat = p_cb->kdev[i].dscp_info.ssr_max_latency;

system/device/include/interop.h

+5 −1
Original line number Diff line number Diff line
@@ -89,7 +89,11 @@ typedef enum { 
  // Disable role switch for headsets/car-kits.

  // Some car kits allow role switch but when the Phone initiates role switch,

  // the Remote device will go into bad state that will lead to LMP time out.

  INTEROP_DISABLE_ROLE_SWITCH

  INTEROP_DISABLE_ROLE_SWITCH,



  // Set a very low initial sniff subrating for HID devices that do not

  // set their own sniff interval.

  INTEROP_HID_HOST_LIMIT_SNIFF_INTERVAL,

} interop_feature_t;



// Check if a given |addr| matches a known interoperability workaround as

system/device/include/interop_database.h

+4 −0
Original line number Diff line number Diff line
@@ -143,6 +143,10 @@ static const interop_addr_entry_t interop_addr_database[] = { 


    // AirPods 2 - unacceptably loud volume

    {{{0x94, 0x16, 0x25, 0, 0, 0}}, 3, INTEROP_DISABLE_ABSOLUTE_VOLUME},



    // Nintendo Switch Pro Controller - does not set sniff interval dynamically.

    // Requires custom HID report command to change mode.

    {{{0x98, 0xB6, 0xE9, 0, 0, 0}}, 3, INTEROP_HID_HOST_LIMIT_SNIFF_INTERVAL},

};



typedef struct {

system/device/src/interop.cc

+1 −0
Original line number Diff line number Diff line
@@ -128,6 +128,7 @@ static const char* interop_feature_string_(const interop_feature_t feature) { 
    CASE_RETURN_STR(INTEROP_DISABLE_AVDTP_RECONFIGURE)

    CASE_RETURN_STR(INTEROP_DYNAMIC_ROLE_SWITCH)

    CASE_RETURN_STR(INTEROP_DISABLE_ROLE_SWITCH)

    CASE_RETURN_STR(INTEROP_HID_HOST_LIMIT_SNIFF_INTERVAL)

  }



  return "UNKNOWN";