linux-kernel - [RFC v3 0/2] Extend functionality for GET

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Message-Id: <20220805070507.123151-1-sunil@amarulasolutions.com>
Date:   Fri,  5 Aug 2022 12:35:05 +0530
From:   Suniel Mahesh <sunil@...rulasolutions.com>
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        Zachary Holland <Zachary.Holland@...mp.com>,
        Daniel McLean <Daniel.McLean@...mp.com>,
        Rene Samson Ambrose <renesamson.ambrose@...mp.com>,
        David Sands <David.Sands@...mp.com>
Cc:     linux-kernel@...r.kernel.org, linux-amarula@...rulasolutions.com,
        USB list <linux-usb@...r.kernel.org>
Subject: [RFC v3 0/2] Extend functionality for GET_REPORT

This series does the following:

patch 1/2 extends functionality for GET_REPORT.

The current kernel implementation for GET_REPORT is that the kernel
sends back a zero filled report (of length == report_length), when
the Host request's a particular report from the device/gadget.

This changeset extends functionality for GET_REPORT by sending a
particular report based on report type and report number.

patch 2/2 adds a test application to test the extended
functionality.

please review and share your thoughts.

version 2 patches:
https://lore.kernel.org/lkml/20220802201556.1510069-1-sunil@amarulasolutions.com/

version 1 patches:
https://lore.kernel.org/lkml/20220801123010.2984864-1-sunil@amarulasolutions.com/

Suniel Mahesh (2):
  usb: gadget: f_hid: Extend functionality for GET_REPORT mode
  HID: ghid: add example program for GET_REPORT
---
Changes for v3:
- patch 2/2 got changed, the mapping of report type. 

Changes for v2:
- patch 2/2 got changed. 

 drivers/usb/gadget/function/f_hid.c  | 184 ++++++++++++++++++++++++++-
 include/{ => uapi}/linux/usb/g_hid.h |  10 ++
 samples/Kconfig                      |  10 ++
 samples/Makefile                     |   1 +
 samples/ghid/Makefile                |   4 +
 samples/ghid/test-hid.c              | 134 +++++++++++++++++++
 6 files changed, 341 insertions(+), 2 deletions(-)
 rename include/{ => uapi}/linux/usb/g_hid.h (72%)
 create mode 100644 samples/ghid/Makefile
 create mode 100644 samples/ghid/test-hid.c

-- 
2.25.1