* RE: [v2] Bluetooth: btusb: Add support USB ALT 3 for WBS
2021-05-14 3:19 [PATCH v2] Bluetooth: btusb: Add support USB ALT 3 for WBS hildawu
@ 2021-05-14 4:21 ` bluez.test.bot
2021-05-20 15:23 ` [PATCH v2] " Marcel Holtmann
2021-07-11 15:33 ` Pauli Virtanen
2 siblings, 0 replies; 5+ messages in thread
From: bluez.test.bot @ 2021-05-14 4:21 UTC (permalink / raw)
To: linux-bluetooth, hildawu
[-- Attachment #1: Type: text/plain, Size: 2630 bytes --]
This is automated email and please do not reply to this email!
Dear submitter,
Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=482217
---Test result---
Test Summary:
CheckPatch PASS 0.52 seconds
GitLint PASS 0.10 seconds
BuildKernel PASS 504.61 seconds
TestRunner: Setup PASS 331.32 seconds
TestRunner: l2cap-tester PASS 2.44 seconds
TestRunner: bnep-tester PASS 1.85 seconds
TestRunner: mgmt-tester PASS 27.49 seconds
TestRunner: rfcomm-tester PASS 2.05 seconds
TestRunner: sco-tester PASS 1.96 seconds
TestRunner: smp-tester PASS 2.05 seconds
TestRunner: userchan-tester PASS 1.87 seconds
Details
##############################
Test: CheckPatch - PASS - 0.52 seconds
Run checkpatch.pl script with rule in .checkpatch.conf
##############################
Test: GitLint - PASS - 0.10 seconds
Run gitlint with rule in .gitlint
##############################
Test: BuildKernel - PASS - 504.61 seconds
Build Kernel with minimal configuration supports Bluetooth
##############################
Test: TestRunner: Setup - PASS - 331.32 seconds
Setup environment for running Test Runner
##############################
Test: TestRunner: l2cap-tester - PASS - 2.44 seconds
Run test-runner with l2cap-tester
Total: 40, Passed: 40 (100.0%), Failed: 0, Not Run: 0
##############################
Test: TestRunner: bnep-tester - PASS - 1.85 seconds
Run test-runner with bnep-tester
Total: 1, Passed: 1 (100.0%), Failed: 0, Not Run: 0
##############################
Test: TestRunner: mgmt-tester - PASS - 27.49 seconds
Run test-runner with mgmt-tester
Total: 416, Passed: 403 (96.9%), Failed: 0, Not Run: 13
##############################
Test: TestRunner: rfcomm-tester - PASS - 2.05 seconds
Run test-runner with rfcomm-tester
Total: 9, Passed: 9 (100.0%), Failed: 0, Not Run: 0
##############################
Test: TestRunner: sco-tester - PASS - 1.96 seconds
Run test-runner with sco-tester
Total: 8, Passed: 8 (100.0%), Failed: 0, Not Run: 0
##############################
Test: TestRunner: smp-tester - PASS - 2.05 seconds
Run test-runner with smp-tester
Total: 8, Passed: 8 (100.0%), Failed: 0, Not Run: 0
##############################
Test: TestRunner: userchan-tester - PASS - 1.87 seconds
Run test-runner with userchan-tester
Total: 3, Passed: 3 (100.0%), Failed: 0, Not Run: 0
---
Regards,
Linux Bluetooth
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[-- Attachment #6: sco-tester.log --]
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] Bluetooth: btusb: Add support USB ALT 3 for WBS
2021-05-14 3:19 [PATCH v2] Bluetooth: btusb: Add support USB ALT 3 for WBS hildawu
2021-05-14 4:21 ` [v2] " bluez.test.bot
@ 2021-05-20 15:23 ` Marcel Holtmann
2021-07-11 15:33 ` Pauli Virtanen
2 siblings, 0 replies; 5+ messages in thread
From: Marcel Holtmann @ 2021-05-20 15:23 UTC (permalink / raw)
To: Hilda Wu
Cc: Johan Hedberg, Luiz Augusto von Dentz,
open list:BLUETOOTH SUBSYSTEM, open list, Max Chou, Alex Lu,
kidman
Hi Hilda,
> Because mSBC frames do not need to be aligned to the SCO packet
> boundary. Using USB ALT 3 let HCI payload >= 60 bytes, let mSBC
> data satisfy 60 Bytes avoid payload unaligned situation and fixed
> some headset no voise issue.
>
> USB Alt 3 supported also need HFP support transparent MTU in 72 Bytes.
>
> Signed-off-by: Hilda Wu <hildawu@realtek.com>
> ---
> Changes in v2:
> - Updated signed off name.
> - Adjusted coding style.
> ---
> ---
> drivers/bluetooth/btusb.c | 7 +++++++
> 1 file changed, 7 insertions(+)
patch has been applied to bluetooth-next tree.
Regards
Marcel
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] Bluetooth: btusb: Add support USB ALT 3 for WBS
2021-05-14 3:19 [PATCH v2] Bluetooth: btusb: Add support USB ALT 3 for WBS hildawu
2021-05-14 4:21 ` [v2] " bluez.test.bot
2021-05-20 15:23 ` [PATCH v2] " Marcel Holtmann
@ 2021-07-11 15:33 ` Pauli Virtanen
2021-07-20 20:48 ` Trent Piepho
2 siblings, 1 reply; 5+ messages in thread
From: Pauli Virtanen @ 2021-07-11 15:33 UTC (permalink / raw)
To: linux-bluetooth
Hi,
pe, 2021-05-14 kello 11:19 +0800, hildawu@realtek.com kirjoitti:
> From: Hilda Wu <hildawu@realtek.com>
>
> Because mSBC frames do not need to be aligned to the SCO packet
> boundary. Using USB ALT 3 let HCI payload >= 60 bytes, let mSBC
> data satisfy 60 Bytes avoid payload unaligned situation and fixed
> some headset no voise issue.
>
> USB Alt 3 supported also need HFP support transparent MTU in 72
> Bytes.
>
> Signed-off-by: Hilda Wu <hildawu@realtek.com>
> ---
> Changes in v2:
> - Updated signed off name.
> - Adjusted coding style.
> ---
This change seemed to break msbc audio on some non-realtek adapters I
have. Tested Pipewire on BCM20702A1 (0b05:17cb), CSR8510A10 (0a12:0001)
-> no sound output and input appears garbled. Reverting this patch
makes it work again. Indeed these adapters report SCO mtu=64 which is
less than 72. On the other hand, with RTL8761BU (0bda:8771) msbc audio
works fine with this patch out of the box, indeed reading/writing 72
byte packets to/from the sco socket.
ALT 3 on RTL8761BU does appear to address garbled audio with some
headsets. Maybe the altsetting should be determined based on a quirk,
the mtu requirement be checked, or something similar? AFAIK, userspace
can't do anything to fix this.
Best,
Pauli Virtanen
> ---
> drivers/bluetooth/btusb.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index 6f253378e893..1e98f985740b 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -1752,6 +1752,13 @@ static void btusb_work(struct work_struct
> *work)
> * which work with WBS at all.
> */
> new_alts = btusb_find_altsetting(data, 6) ? 6
> :
> 1;
> + /* Because mSBC frames do not need to be
> aligned to the
> + * SCO packet boundary. If support the Alt 3,
> use the
> + * Alt 3 for HCI payload >= 60 Bytes let air
> packet
> + * data satisfy 60 bytes.
> + */
> + if (new_alts == 1 &&
> btusb_find_altsetting(data, 3))
> + new_alts = 3;
> }
>
> if (btusb_switch_alt_setting(hdev, new_alts) < 0)
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] Bluetooth: btusb: Add support USB ALT 3 for WBS
2021-07-11 15:33 ` Pauli Virtanen
@ 2021-07-20 20:48 ` Trent Piepho
0 siblings, 0 replies; 5+ messages in thread
From: Trent Piepho @ 2021-07-20 20:48 UTC (permalink / raw)
To: linux-bluetooth, Pauli Virtanen, hildawu, marcel
On Sunday, July 11, 2021 8:33:57 AM PDT Pauli Virtanen wrote:
> pe, 2021-05-14 kello 11:19 +0800, hildawu@realtek.com kirjoitti:
> > Because mSBC frames do not need to be aligned to the SCO packet
> > boundary. Using USB ALT 3 let HCI payload >= 60 bytes, let mSBC
> > data satisfy 60 Bytes avoid payload unaligned situation and fixed
> > some headset no voise issue.
> >
> > USB Alt 3 supported also need HFP support transparent MTU in 72
> > Bytes.
>
> This change seemed to break msbc audio on some non-realtek adapters I
> have. Tested Pipewire on BCM20702A1 (0b05:17cb), CSR8510A10 (0a12:0001)
> -> no sound output and input appears garbled. Reverting this patch
> makes it work again. Indeed these adapters report SCO mtu=64 which is
> less than 72. On the other hand, with RTL8761BU (0bda:8771) msbc audio
> works fine with this patch out of the box, indeed reading/writing 72
> byte packets to/from the sco socket
When I fixed WBS when previous patches from Intel and Realtek broke it for
most adapters, I also tested alt 3. I also found it didn't work for many
adapters.
It is annoying that a chipset vendor can not be bothered to do the basic
testing I am able to do by buying random bt adapters from amazon. Nor
respond when their patches, once accepted, cause problems.
^ permalink raw reply [flat|nested] 5+ messages in thread