Bluetooth Connect Disconnect on imx8

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Bluetooth Connect Disconnect on imx8

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ducho7783
Contributor III

Hi

Currently I'm working on imx8mp board there i working with bluetooth but issue is while connecting bluetooth it getting disconnect within few second, I'm using bluetoothctl for these tings i took HCI logs also from btmon.

Can anyone help me to solve this problem.

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ducho7783
Contributor III

Thanks for your info I got solution by some command I tried

$ pactl list modules short

and then I'm doing blueoothctl

power on,scan on,pair MAC XXXXXXXXX 

then when it will disconnect, at the time use connect MAC XXXXXXXXX.

reference from  https://askubuntu.com/questions/1020257/bluez5-cannot-connect-to-a-paired-bluetooth-device-on-ubuntu...

Thanks.

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Zhiming_Liu
NXP TechSupport
NXP TechSupport

Hello @ducho7783 

1.Does this issue can be reproduced on EVK?

2.If yes, please share your BSP version.

 

Best Regards

Zhiming

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ducho7783
Contributor III

Hi @Zhiming_Liu 

Yeah This is EVK which we are using and below I have mention more information regarding this.

module - phyCORE-i.MX 8M plus

kernel version - 5.4.70

bluetooth module name - RTL8822BU USB Module for this we use rtl8822b_fw.bin , rtl8822b_config.bin firmware.

bsp info - Yogurt Vendor xwayland (Phytec Vendor Distribution) BSP-Yocto-FSL-i.MX8MP-PD21.1.2-rc1 phyboard-pollux-imx8mp-2

BlueZ verison - 5.50

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Zhiming_Liu
NXP TechSupport
NXP TechSupport

The bluetoot module is not from NXP. If  this module is from Phytec, you should consult them about this issue.

I think this should relate to BSP or firmware, you can try to update them.

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ducho7783
Contributor III

Thanks for your info I got solution by some command I tried

$ pactl list modules short

and then I'm doing blueoothctl

power on,scan on,pair MAC XXXXXXXXX 

then when it will disconnect, at the time use connect MAC XXXXXXXXX.

reference from  https://askubuntu.com/questions/1020257/bluez5-cannot-connect-to-a-paired-bluetooth-device-on-ubuntu...

Thanks.

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