NXP Semiconductors
UM11490
Feature Configuration Guide for NXP-based Wireless Modules on i.MX 8M Quad EVK
Step 12 - Verify the Hands-free Audio Gateway Profile capability of the connected
Bluetooth device
root@imx8mqevk:~# bluetoothctl
[GT-S7560M]# info 04:1B:BA:C7:92:36
Output command example:
Device 04:1B:BA:C7:92:36 (public)
Name: GT-S7560M
Alias: GT-S7560M
Class: 0x005a020c
Icon: phone
Paired: yes
Trusted: yes
Blocked: no
Connected: yes
LegacyPairing: no
UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb)
UUID: Audio Source (0000110a-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Headset AG (00001112-0000-1000-8000-00805f9b34fb)
UUID: NAP (00001116-0000-1000-8000-00805f9b34fb)
UUID: Handsfree Audio Gateway (0000111f-0000-1000-8000-00805f9b34fb)
UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
Modalias: bluetooth:v0075p0100d0100
[GT-S7560M]#
Step 13 - Set SCO voice data path through PCM interface
root@imx8mqevk:~# hcitool -i hci0 cmd 0x3F 0x001D 0x01
Command output example:
< HCI Command: ogf 0x3f, ocf 0x001d, plen 1
01
> HCI Event: 0x0e plen 4
01 1D FC 00
root@imx8mqevk:~#
where:
Parameter
Length
Definition
OGF
1
0x3F
OCF
2
0x001D
Voice path
1
0x00 = Host
0x01 = PCM
UM11490
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User manual
Rev. 2 — 29 January 2021
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