Commit Graph

5 Commits

Author SHA1 Message Date
Thomas Weißschuh
e6de161b5a HID: cmedia: constify fixed up report descriptor
The HID core now allows static report descriptors to be read-only,
make use of it.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20240803-hid-const-fixup-v2-7-f53d7a7b29d8@weissschuh.net
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
2024-08-27 16:30:43 +02:00
Thomas Weißschuh
fe73965d07 HID: change return type of report_fixup() to const
By allowing the drivers to return a "const *" they can constify their
static report arrays.
This makes it clear to driver authors that the HID core will not modify
those reports and they can be reused for multiple devices.
Furthermore security is slightly improved as those reports are protected
against accidental or malicious modifications.

[bentiss: fixup hid-cougar.c and hid-multitouch.c for latest version of
the master branch]

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20240803-hid-const-fixup-v2-6-f53d7a7b29d8@weissschuh.net
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
2024-08-27 16:29:55 +02:00
Thomas Weißschuh
bebf8820b3 HID: cmedia: add support for HS-100B mute button
These chips report mute button events in bit 4 of their report without it
being part of the report descriptor.
Use a custom descriptor that maps this bit.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2021-07-28 11:51:07 +02:00
Thomas Gleixner
9c92ab6191 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
Based on 1 normalized pattern(s):

  this software is licensed under the terms of the gnu general public
  license version 2 as published by the free software foundation and
  may be copied distributed and modified under those terms this
  program is distributed in the hope that it will be useful but
  without any warranty without even the implied warranty of
  merchantability or fitness for a particular purpose see the gnu
  general public license for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 285 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:36:37 +02:00
Ben Chen
ad8ddc5755 HID: Support for CMedia CM6533 HID audio jack controls
The C-Media CM6533 is a USB audio chip featuring it's jack detection
capability.The device originates an interrupt transfer via HID interface each
time when a jack event occurs.  The purpose of this patch is to handle hid raw
events to keep the operating system informed of user interactions.

Signed-off-by: Ben Chen <ben_chen@bizlinktech.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-02 10:31:36 +01:00