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2022-07-23HID: amd_sfh: Fix implicit declaration error on i386Basavaraj Natikar1-0/+2
Add depended header file to fix error on i386 due to implicit declaration of function ‘writeq’. Fixes: 93ce5e0231d7 ("HID: amd_sfh: Implement SFH1.1 functionality") Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-22HID: apple: Add "GANSS" to the non-Apple listHilton Chain1-1/+2
While using the name "SONiX USB DEVICE" for wired mode, my GANSS keyboard uses "GANSS" for bluetooth mode as well, so adding this to the list. Signed-off-by: Hilton Chain <hako@ultrarare.space> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-22HID: alps: Declare U1_UNICORN_LEGACY supportArtem Borisov1-0/+2
U1_UNICORN_LEGACY id was added to the driver, but was not declared in the device id table, making it impossible to use. Fixes: 640e403 ("HID: alps: Add AUI1657 device ID") Signed-off-by: Artem Borisov <dedsa2002@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: wacom: Force pen out of prox if no events have been received in a whileJason Gerecke3-0/+44
Prox-out events may not be reliably sent by some AES firmware. This can cause problems for users, particularly due to arbitration logic disabling touch input while the pen is in prox. This commit adds a timer which is reset every time a new prox event is received. When the timer expires we check to see if the pen is still in prox and force it out if necessary. This is patterend off of the same solution used by 'hid-letsketch' driver which has a similar problem. Link: https://github.com/linuxwacom/input-wacom/issues/310 Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: nintendo: Add missing array terminationGuenter Roeck1-0/+1
joycon_dpad_inputs_jc[] is unterminated. This may result in odd warnings such as input: input_set_capability: invalid code 3077588140 for type 1 or in kernel crashes in nintendo_hid_probe(). Terminate the array to fix the problem. Fixes: 2af16c1f846bd ("HID: nintendo: add nintendo switch controller driver") Cc: Daniel J. Ogorchock <djogorchock@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: lg-g15: Fix comment typoJason Wang1-1/+1
The double `with' is duplicated in line 769, remove one. Signed-off-by: Jason Wang <wangborong@cdjrlc.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Implement SFH1.1 functionalityBasavaraj Natikar8-0/+895
Newer AMD SOCs use SFH1.1 memory access with new PCI-id. Hence add new sfh1_1 sub directory to implement SFH1.1 functionality by defining new PCI id, interface functions, descriptor functions and handlers which invokes sfh1.1. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Move interrupt handling to common interfaceBasavaraj Natikar3-8/+10
Interrupt handling can be used in multiple files to support all AMD SOCs. Hence move interrupt handling to common interface. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Move amd_sfh_work to common interfaceBasavaraj Natikar2-2/+4
amd_sfh_work can be used in multiple files to support all AMD SOCs. Hence move amd_sfh_work to common interface. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Move global functions to staticBasavaraj Natikar3-12/+5
Move global functions declared from header files and make them as static functions wherever applicable. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Add remove operation in amd_mp2_opsBasavaraj Natikar2-1/+4
Add remove operation as part of amd_mp2_ops structure to support all AMD SOCs and use wherever applicable. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Add PM operations in amd_mp2_opsBasavaraj Natikar3-39/+58
Add PM operations as part of amd_mp2_ops structure to support all AMD SOCs and use wherever applicable. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Add descriptor operations in amd_mp2_opsBasavaraj Natikar7-25/+42
Add dynamic descriptor operations as part of amd_mp2_ops structure to support all AMD SOCs and use wherever applicable. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Move request_list variable to client dataBasavaraj Natikar2-5/+8
request_list variable can be used in multiple files to support all AMD SOCs. Hence move request_list variable to client data. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Move request_list struct to header fileBasavaraj Natikar2-10/+9
request_list structure can be used in multiple files to support all AMD SOCs. Hence move request_list structure to header file. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Move common macros and structuresBasavaraj Natikar2-41/+60
Introduce common macros and structures to support multiple generations of AMD SOCs, move them to amd_sfh_common.h. Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: amd_sfh: Add NULL check for hid deviceBasavaraj Natikar1-4/+8
On removal of hid device during SFH set report may cause NULL pointer exception. Hence add NULL check for hid device before accessing. Fixes: 4b2c53d93a4b ("SFH:Transport Driver to add support of AMD Sensor Fusion Hub (SFH)") Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: core: remove unneeded assignment in hid_process_report()Lukas Bulwahn1-1/+1
Commit bebcc522fbee ("HID: core: for input reports, process the usages by priority list") split the iteration into two distinct loops in hid_process_report(). After this change, the variable field is only used while iterating in the second loop and the assignment of values to this variable in the first loop is simply not needed. Remove the unneeded assignment during retrieval. No functional change and no change in the resulting object code. This was discovered as a dead store with clang-analyzer. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Reviewed-by: Tom Rix <trix@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21ID: intel-ish-hid: hid-client: drop unexpected word "the" in the commentsJiang Jian1-1/+1
there is an unexpected word "the" in the comments that need to be dropped file: drivers/hid/intel-ish-hid/ishtp-hid-client.c line: 331 * @device: Pointer to the the ishtp client device for which this message changed to * @device: Pointer to the ishtp client device for which this message Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-07-21HID: mcp2221: prevent a buffer overflow in mcp_smbus_write()Harshit Mogalapalli1-0/+3
Smatch Warning: drivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy() '&mcp->txbuf[5]' too small (59 vs 255) drivers/hid/hid-mcp2221.c:388 mcp_smbus_write() error: __memcpy() 'buf' too small (34 vs 255) The 'len' variable can take a value between 0-255 as it can come from data->block[0] and it is user data. So add an bound check to prevent a buffer overflow in memcpy(). Fixes: 67a95c21463d ("HID: mcp2221: add usb to i2c-smbus host bridge") Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-15HID: nintendo: Set phys property of input device based on HID physThomas Schneider1-0/+2
While the MAC address the uniq identifier is set to (cf. commit 1425247383c5 ("HID: nintendo: set controller uniq to MAC")) is certainly unique, the physical location can be more helpful in user interfaces. The underlying hid_device already provides a suitable value, so we can simply reuse this here. Signed-off-by: Thomas Schneider <qsx@chaotikum.eu> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-09HID: multitouch: new device class fix Lenovo X12 trackpad stickyTao Jin1-1/+12
The trackpad of the given device sends continuous report of pointers status as per wxn8 spec. However, the spec did not clarify when the fingers are lifted so fast that between the interval of two report frames fingers on pad reduced from >=2 to 0. The second last report contains >=2 fingers with tip state 1 and the last report contains only 1 finger with tip state 0. Although this can happen unfrequently, a quick fix will be improve the consistency to 100%. A quick fix is to disable MT_QUIRK_ALWAYS_VALID and enable MT_QUIRK_NOT_SEEN_MEANS_UP. Test for hid-tools is added in [1] In addition to this, I2C device 04CA:00B1 may also need similar class but with MT_QUIRK_FORCE_MULTI_INPUT disabled (but it does not harm to enable it on non-multi-input device either). The respective owner has been notified and a patch may coming soon after test. [1]: https://gitlab.freedesktop.org/libevdev/hid-tools/-/merge_requests/130 Signed-off-by: Tao Jin <tao-j@outlook.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-09HID: cp2112: prevent a buffer overflow in cp2112_xfer()Harshit Mogalapalli1-0/+5
Smatch warnings: drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'data->block[1]' too small (33 vs 255) drivers/hid/hid-cp2112.c:793 cp2112_xfer() error: __memcpy() 'buf' too small (64 vs 255) The 'read_length' variable is provided by 'data->block[0]' which comes from user and it(read_length) can take a value between 0-255. Add an upper bound to 'read_length' variable to prevent a buffer overflow in memcpy(). Fixes: 542134c0375b ("HID: cp2112: Fix I2C_BLOCK_DATA transactions") Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-08HID: hid-input: add Surface Go battery quirkMaximilian Luz2-0/+3
Similar to the Surface Go (1), the (Elantech) touchscreen/digitizer in the Surface Go 2 mistakenly reports the battery of the stylus. Instead of over the touchscreen device, battery information is provided via bluetooth and the touchscreen device reports an empty battery. Apply the HID_BATTERY_QUIRK_IGNORE quirk to ignore this battery and prevent the erroneous low battery warnings. Cc: stable@vger.kernel.org Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-08HID: intel-ish-hid: ipc: use time_before to replace "jiffies < a"Li Qiong1-1/+1
time_before deals with timer wrapping correctly. Signed-off-by: Li Qiong <liqiong@nfschina.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-08HID: logitech-hidpp: Fix syntax errors in commentsXiang wangx1-1/+1
Delete the redundant word 'in'. Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-08HID: uclogic: properly format kernel-doc comment for hid_dbg() wrappersBagas Sanjaya1-10/+14
Running kernel-doc script on drivers/hid/hid-uclogic-params.c, it found 6 warnings for hid_dbg() wrapper functions below: drivers/hid/hid-uclogic-params.c:48: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Dump tablet interface pen parameters with hid_dbg(), indented with one tab. drivers/hid/hid-uclogic-params.c:48: warning: missing initial short description on line: * Dump tablet interface pen parameters with hid_dbg(), indented with one tab. drivers/hid/hid-uclogic-params.c:48: info: Scanning doc for function Dump drivers/hid/hid-uclogic-params.c:80: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Dump tablet interface frame parameters with hid_dbg(), indented with two drivers/hid/hid-uclogic-params.c:80: warning: missing initial short description on line: * Dump tablet interface frame parameters with hid_dbg(), indented with two drivers/hid/hid-uclogic-params.c:80: info: Scanning doc for function Dump drivers/hid/hid-uclogic-params.c:105: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Dump tablet interface parameters with hid_dbg(). drivers/hid/hid-uclogic-params.c:105: warning: missing initial short description on line: * Dump tablet interface parameters with hid_dbg(). One of them is reported by kernel test robot. Fix these warnings by properly format kernel-doc comment for these functions. Link: https://lore.kernel.org/linux-doc/202205272033.XFYlYj8k-lkp@intel.com/ Fixes: a228809fa6f39c ("HID: uclogic: Move param printing to a function") Reported-by: kernel test robot <lkp@intel.com> Tested-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: José Expósito <jose.exposito89@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Cc: Nikolai Kondrashov <spbnick@gmail.com> Cc: Jiri Kosina <jikos@kernel.org> Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com> Cc: llvm@lists.linux.dev Cc: linux-input@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-08HID: apple: Properly handle function keys on non-Apple keyboardHilton Chain1-5/+29
This commit extends fa33382c7f74 ("HID: apple: Properly handle function keys on Keychron keyboards") by adding an array of known non-Apple keyboards' device names, and the function apple_is_non_apple_keyboard() to identify and create exception for them. Signed-off-by: Hilton Chain <hako@ultrarare.space> Reviewed-by: Bryan Cain <bryancain3@gmail.com> Tested-by: Bryan Cain <bryancain3@gmail.com> Reviewed-by: José Expósito <jose.exposito89@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-08HID: nintendo: fix unused const warningDaniel J. Ogorchock1-2/+1
JC_RUMBLE_ZERO_AMP_PKT_CNT is only used when force feedback support in the driver is enabled. Place the declaration in the CONFIG_NINTENDO_FF ifdef to avoid a warning when compiling without rumble support. Signed-off-by: Daniel J. Ogorchock <djogorchock@gmail.com> Reviewed-by: Silvan Jegen <s.jegen@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2022-06-08HID: i2c-hid: elan: Add support for Elan eKTH6915 i2c-hid touchscreensDouglas Anderson3-0/+146
Like many i2c-hid touchscreen controllers, the Elan eKTH6915 has a reset GPIO hooked up to it. According to the datasheet, the way we're supposed to turn the touchscreen on is: 1. Turn on the 3.3V supply. 2. Turn on the IO supply. It's OK if this is hardwired to the 3.3V supply, but if it's not then it must be turned on _after_ the 3.3V supply. 3. Wait >= 1 ms. 4. Deassert the reset GPIO (reset GPIO is active low, so there would be a leakage path if this was deasserted _before_ the IO supply). 5. Wait 300 ms. Much of the above can be handled by the generic i2c-hid-of driver, but the "reset" GPIO is not supported by that driver. Thus we'll do the same as we did for Goodix and add a new tiny driver that uses the i2c-hid core. NOTE: support for this new touchscreen could theorically fit into the Goodix driver. I've made it a separate driver because the Elan driver supports _two_ regulators and it's unclear exactly how that would fit in with commit 18eeef46d359 ("HID: i2c-hid: goodix: Tie the reset line to true state of the regulator"). Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>