[Letux-kernel] wwan logic inversion

H. Nikolaus Schaller hns at goldelico.com
Fri Nov 23 13:50:18 CET 2018


HI,
I also remember such a thing but there was a patch a while ago.
But I do not remember if it was for gta04a5 or if I did merge it into 4.19...

What does the console log say for rkill unblock/block? It should
report he feedback status and the on-off impulse.

BR,
Nikolaus

> Am 23.11.2018 um 13:06 schrieb Andreas Kemnade <andreas at kemnade.info>:
> 
> Hi,
> 
> I was just wondering about strange suspend current behavior and
> found out that wwan logic misbehaves on my gta04a5:
> 
> root at gta04:~# twl-i2c.sh GPIO r 0
> 0x02
> root at gta04:~# lsusb 
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> root at gta04:~# rfkill block wwan
> root at gta04:~# twl-i2c.sh GPIO r 0
> 0x42
> root at gta04:~# lsusb 
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 003: ID 0af0:8800 Option 
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> root at gta04:~# rfkill unblock wwan
> root at gta04:~# twl-i2c.sh GPIO r 0
> 0x02
> root at gta04:~# lsusb 
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> root at gta04:~# rfkill block wwan
> root at gta04:~# twl-i2c.sh GPIO r 0
> 0x42
> root at gta04:~# lsusb 
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 004: ID 0af0:8800 Option 
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> root at gta04:~# rfkill unblock wwan
> root at gta04:~# twl-i2c.sh GPIO r 0
> 0x02
> root at gta04:~# lsusb 
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> root at gta04:~# uname -a
> Linux gta04 4.19.3-letux+ #72 SMP PREEMPT Thu Nov 22 21:14:08 CET 2018 armv7l GNU/Linux
> root at gta04:~# 
> 
> 
> Regards,
> Andreas
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