Changes

[12.0.0+] The Enable vfunc called above for Audio does the following:

[12.0.0+] The Enable vfunc called above for Audio does the following:

* Calls a func which does the following:

* Calls a func which does the following:

** Uses BSA to enable AV. Besides the callback, the only field in the passed struct which is set is <code>features</code>. This is set for "remote control target".

** Uses BSA to enable AV. Besides the callback, the only field in the passed struct which is set is <code>features</code>. This is ORRed to set the bit for "remote control target", which with [13.0.0+] is only done if [[System_Settings|system-setting]] <code>bluetooth_debug!is_av_rc_tg</code> is set to true.

** Error handling + state setup is done.

** Error handling + state setup is done.

** Uses BSA to register AV twice, with the default input struct.

** Uses BSA to register AV twice, with the default input struct.

Various btdrv service commands use a custom BSA extension (message-ids based at 0x8CA/2250), this is referred to as "robson". The following BSA modules are supported by the BSA server task thread (including the aforementioned robson): sys, dm, disc, sec, hh, [12.0.0+] av, dg, tm, ble.

Various btdrv service commands use a custom BSA extension (message-ids based at 0x8CA/2250), this is referred to as "robson". The following BSA modules are supported by the BSA server task thread (including the aforementioned robson): sys, dm, disc, sec, hh, [12.0.0+] av, dg, tm, ble.

The following L2CAP services are registered (dynamic channels): SDP, ATT (GATT), RFCOMM, HID (PSMs: 0x11, 0x13, 0x8001, 0x8003), [12.0.0+] AVCTP/AVCTP_Browsing (these PSMs aren't actually registered even though they should be), [12.0.0+] AVDTP.

The following L2CAP services are registered (dynamic channels): SDP, ATT (GATT), RFCOMM, HID (PSMs: 0x11, 0x13, 0x8001, 0x8003), [12.0.0+] AVCTP/AVCTP_Browsing (only when the features bitfield passed to BSA_AvEnable by [[#EnableBluetooth]] has bit0 ("remote control target") or bit1 set), [12.0.0+] AVDTP.

<code>l2cu_send_peer_echo_rsp</code> is called with p_data=NULL and data_len=0, therefore no data is returned in the L2CAP ECHO response.

<code>l2cu_send_peer_echo_rsp</code> is called with p_data=NULL and data_len=0, therefore no data is returned in the L2CAP ECHO response.