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From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date: Wed, 15 May 2024 15:43:17 -0400
Message-ID: <CABBYNZLuhWF7KgPAZLaqB8dukBtpWDGQKy1bDiStvCJPqny46Q@mail.gmail.com>
Subject: Re: abandoned patches for ATS2851
To: =?UTF-8?B?0JTQsNC90LjQuw==?= <danstiv404@gmail.com>
Cc: linux-bluetooth@vger.kernel.org, johan.hedberg@gmail.com, 
	marcel@holtmann.org
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Hi,

On Wed, May 15, 2024 at 2:54=E2=80=AFPM =D0=94=D0=B0=D0=BD=D0=B8=D0=BB <dan=
stiv404@gmail.com> wrote:
>
> Hello!
> Sorry, this is my first time interacting with a kernel mailing list, and
> I think I should have specified more recipients.
> Now I'm trying again.
>
> 14.05.2024 0:14, =D0=94=D0=B0=D0=BD=D0=B8=D0=BB =D0=BF=D0=B8=D1=88=D0=B5=
=D1=82:
> > Hello!
> > I encountered a problem with a USB bluetooth adapter which probably
> > uses an ATS2851.
> > I'm not 100% sure about this, but the symptoms match the problem
> > described in the patch.
> >
> > Here are the patches I found.
> > 1. It seems to have been applied.
> > https://lore.kernel.org/linux-bluetooth/168150781825.20001.497313946854=
0739153.git-patchwork-notify@kernel.org/T/#t
> >
> >
> > 2. It seems it was not applied.
> > https://lore.kernel.org/linux-bluetooth/20230323135804.3962783-1-raul.c=
heleguini@gmail.com/T/#t
> >
> >
> > 3. It seems it was not applied.
> > https://patchwork.kernel.org/project/bluetooth/patch/20230426184017.205=
1211-1-raul.cheleguini@gmail.com/#25314789
> >
> >
> > Patches 2 and 3 were not applied, as I understand, due to some minor
> > problems with code formatting, is it possible to complete the process
> > of applying them?

These probably need to be resend to get the CI to test them.

> >
> > Here is some information about the device:
> >
> > dmesg
> > [    0.000000] Linux version 6.6.13+bpo-rt-amd64
> > (debian-kernel@lists.debian.org) (gcc-12 (Debian 12.2.0-14) 12.2.0,
> > GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT_RT Debian
> > 6.6.13-1~bpo12+1 (2024-02-15)
> > [    0.000000] Command line:
> > BOOT_IMAGE=3D/boot/vmlinuz-6.6.13+bpo-rt-amd64
> > root=3DUUID=3Db9338182-ab4b-48cb-b492-60e7ed340018 ro
> > systemd.unified_cgroup_hierarchy=3Dfalse quiet reboot=3Dpci
> > ...
> > [  110.420763] usb 1-2: new full-speed USB device number 2 using uhci_h=
cd
> > [  110.609798] usb 1-2: New USB device found, idVendor=3D10d7,
> > idProduct=3Db012, bcdDevice=3D88.91
> > [  110.609814] usb 1-2: New USB device strings: Mfr=3D1, Product=3D2,
> > SerialNumber=3D3
> > [  110.609820] usb 1-2: Product: general adapter
> > [  110.609824] usb 1-2: Manufacturer: Actions
> > [  110.609829] usb 1-2: SerialNumber: ACTIONS1234
> > [  110.614223] Bluetooth: hci1: HCI Read Default Erroneous Data
> > Reporting command is advertised, but not supported.
> > [  110.614245] Bluetooth: hci1: HCI Read Transmit Power Level command
> > is advertised, but not supported.
> > [  110.614252] Bluetooth: hci1: HCI LE Set Random Private Address
> > Timeout command is advertised, but not supported.
> > [  110.666673] Bluetooth: MGMT ver 1.22
> >
> > lsusb -v
> > ...
> > Bus 001 Device 002: ID 10d7:b012 Actions general adapter
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               2.00
> >   bDeviceClass          224 Wireless
> >   bDeviceSubClass         1 Radio Frequency
> >   bDeviceProtocol         1 Bluetooth
> >   bMaxPacketSize0        64
> >   idVendor           0x10d7
> >   idProduct          0xb012
> >   bcdDevice           88.91
> >   iManufacturer           1 Actions
> >   iProduct                2 general adapter
> >   iSerial                 3 ACTIONS1234
> >   bNumConfigurations      1
> > ...
> >
> > btmon
> > ...
> > < HCI Command: LE Extended Create Connection (0x08|0x0043) plen 58 #48
> > [hci0] 2.000505
> >         Filter policy: Accept list is not used (0x00)
> >         Own address type: Public (0x00)
> >         Peer address type: Random (0x01)
> >         Peer address: E8:42:26:5C:0F:07 (Static)
> >         Initiating PHYs: 0x07
> >         Entry 0: LE 1M
> >           Scan interval: 60.000 msec (0x0060)
> >           Scan window: 60.000 msec (0x0060)
> >           Min connection interval: 30.00 msec (0x0018)
> >           Max connection interval: 50.00 msec (0x0028)
> >           Connection latency: 0 (0x0000)
> >           Supervision timeout: 420 msec (0x002a)
> >           Min connection length: 0.000 msec (0x0000)
> >           Max connection length: 0.000 msec (0x0000)
> >         Entry 1: LE 2M
> >           Scan interval: 60.000 msec (0x0060)
> >           Scan window: 60.000 msec (0x0060)
> >           Min connection interval: 30.00 msec (0x0018)
> >           Max connection interval: 50.00 msec (0x0028)
> >           Connection latency: 0 (0x0000)
> >           Supervision timeout: 420 msec (0x002a)
> >           Min connection length: 0.000 msec (0x0000)
> >           Max connection length: 0.000 msec (0x0000)
> >         Entry 2: LE Coded
> >           Scan interval: 60.000 msec (0x0060)
> >           Scan window: 60.000 msec (0x0060)
> >           Min connection interval: 30.00 msec (0x0018)
> >           Max connection interval: 50.00 msec (0x0028)
> >           Connection latency: 0 (0x0000)
> >           Supervision timeout: 420 msec (0x002a)
> >           Min connection length: 0.000 msec (0x0000)
> >           Max connection length: 0.000 msec (0x0000)
> > > HCI Event: Command Status (0x0f) plen 4 #49 [hci0] 2.001242
> >       LE Extended Create Connection (0x08|0x0043) ncmd 1
> >         Status: Unknown HCI Command (0x01)
> > ...
> > The adapter supports le, I was able to connect to a le device from
> > windows 11.
> >


--=20
Luiz Augusto von Dentz