linux-kernel - [PATCH v1 0/4] Add output report support for QuickI2C driver

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Message-Id: <20251201073047.3313824-1-even.xu@intel.com>
Date: Mon,  1 Dec 2025 15:30:43 +0800
From: Even Xu <even.xu@...el.com>
To: jikos@...nel.org,
	bentiss@...nel.org
Cc: srinivas.pandruvada@...ux.intel.com,
	linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Even Xu <even.xu@...el.com>
Subject: [PATCH v1 0/4] Add output report support for QuickI2C driver

This patch serial adds support for HID output reports in the Quicki2c
driver by implementing the output_report callback in the HID low-level
driver interface.

This change introduces:
- Refine QuickI2C driver to use size_t for all length-related variables
- Enhance the quicki2c_init_write_buf() function by adding support for
  writing to the output register based on the content being written
- Add quicki2c_hid_output_report() and quicki2c_output_report() function
  that processe the HID output reports request

This enables proper communication with HID devices that require output
report functionality, such as setting device configuration or updating
device firmware.

Even Xu (4):
  HID: Intel-thc-hid: Intel-quicki2c: Use size_t for all length
    variables
  HID: Intel-thc-hid: Intel-quicki2c: Use put_unaligned_le16 for __le16
    writes
  HID: Intel-thc-hid: Intel-quicki2c: Support writing output report
    format
  HID: Intel-thc-hid: Intel-quicki2c: Add output report support

 .../intel-quicki2c/quicki2c-dev.h             |  2 +-
 .../intel-quicki2c/quicki2c-hid.c             |  8 ++
 .../intel-quicki2c/quicki2c-protocol.c        | 95 +++++++++++--------
 .../intel-quicki2c/quicki2c-protocol.h        |  5 +-
 4 files changed, 68 insertions(+), 42 deletions(-)

-- 
2.40.1