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Message-Id: <70E30E57-1478-466B-B02E-1E05FC38F625@holtmann.org>
Date:   Tue, 2 Nov 2021 19:41:14 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Joseph Hwang <josephsih@...omium.org>
Cc:     linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Pali Rohár <pali@...nel.org>,
        CrosBT Upstreaming <chromeos-bluetooth-upstreaming@...omium.org>,
        josephsih@...gle.com, Miao-chen Chou <mcchou@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v7 2/2] Bluetooth: aosp: Support AOSP Bluetooth Quality
 Report

Hi Joseph,

> This patch adds the support of the AOSP Bluetooth Quality Report
> (BQR) events.
> 
> Multiple vendors have supported the AOSP Bluetooth Quality Report.
> When a Bluetooth controller supports the capability, it can enable
> the aosp capability through hci_set_aosp_capable. Then hci_core will
> set up the hdev->aosp_set_quality_report callback through aosp_do_open
> if the controller responds to support the quality report capability.
> 
> Note that Intel also supports a distinct telemetry quality report
> specification. Intel sets up the hdev->set_quality_report callback
> in the btusb driver module.
> 
> Reviewed-by: Miao-chen Chou <mcchou@...omium.org>
> Signed-off-by: Joseph Hwang <josephsih@...omium.org>
> 
> ---
> 
> Changes in v7:
> - Remove the unnecessary debug print.
> 
> Changes in v6:
> - Use the decimal version instead of hexadecimal version to be
>  consistent with the AOSP specification.
> - Move the code of checking the bluetooth_quality_report_support field
>  to the previous patch.
> 
> Changes in v5:
> - Fix the patch per
>  [RFC PATCH] Bluetooth: Add framework for AOSP quality report setting
> - Declare aosp_set_quality_report.
> - Use aosp_do_open() to set hdev->aosp_set_quality_report.
> - Add aosp_has_quality_report().
> - In mgmt, use hdev->aosp_set_quality_report and
>  hdev->set_quality_report separately.
> 
> Changes in v4:
> - Move the AOSP BQR support from the driver level to net/bluetooth/aosp.
> - Fix the drivers to use hci_set_aosp_capable to enable aosp.
> - Add Mediatek to support the capability too.
> 
> Changes in v3:
> - Fix the auto build test ERROR
>  "undefined symbol: btandroid_set_quality_report" that occurred
>  with some kernel configs.
> - Note that the mgmt-tester "Read Exp Feature - Success" failed.
>  But on my test device, the same test passed. Please kindly let me
>  know what may be going wrong. These patches do not actually
>  modify read/set experimental features.
> - As to CheckPatch failed. No need to modify the MAINTAINERS file.
>  Thanks.
> 
> Changes in v2:
> - Fix the titles of patches 2/3 and 3/3 and reduce their lengths.
> 
> net/bluetooth/aosp.c | 87 ++++++++++++++++++++++++++++++++++++++++++++
> net/bluetooth/aosp.h | 13 +++++++
> net/bluetooth/mgmt.c | 17 ++++++---
> 3 files changed, 112 insertions(+), 5 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel

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