TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HID: pidff: Add hid_pidff_init_with_quirks and export as GPL symbol

Browse Source 
This lays out a way to provide an initial set of quirks to enable before
device initialization takes place. GPL symbol export needed for the
possibility of building HID drivers which use this function as modules.

Adding a wrapper function to ensure compatibility with the old behavior
of hid_pidff_init.

Signed-off-by: Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com>
Reviewed-by: Michał Kopeć <michal@nozomi.space>
Reviewed-by: Paul Dino Jones <paul@spacefreak18.xyz>
Tested-by: Paul Dino Jones <paul@spacefreak18.xyz>
Tested-by: Cristóferson Bueno <cbueno81@gmail.com>
Tested-by: Pablo Cisneros <patchkez@protonmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
This commit is contained in:
Tomasz Pakuła 2025-02-01 12:38:51 +01:00 committed by Jiri Kosina
parent a4119108d2
commit 36de0164bb
2 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/hid/usbhid/hid-pidff.c
View File

@ -1281,8 +1281,9 @@ static int pidff_check_autocenter(struct pidff_device *pidff,
/*
* Check if the device is PID and initialize it
* Set initial quirks
*/
int hid_pidff_init(struct hid_device *hid)
int hid_pidff_init_with_quirks(struct hid_device *hid, __u32 initial_quirks)
{
struct pidff_device *pidff;
struct hid_input *hidinput = list_entry(hid->inputs.next,
@ -1304,6 +1305,7 @@ int hid_pidff_init(struct hid_device *hid)
return -ENOMEM;
pidff->hid = hid;
pidff->quirks = initial_quirks;
hid_device_io_start(hid);
@ -1382,3 +1384,14 @@ int hid_pidff_init(struct hid_device *hid)
kfree(pidff);
return error;
}
EXPORT_SYMBOL_GPL(hid_pidff_init_with_quirks);
/*
* Check if the device is PID and initialize it
* Wrapper made to keep the compatibility with old
* init function
*/
int hid_pidff_init(struct hid_device *hid)
{
return hid_pidff_init_with_quirks(hid, 0);
}

2
include/linux/hid.h
View File

@ -1224,8 +1224,10 @@ void hid_quirks_exit(__u16 bus);
#ifdef CONFIG_HID_PID
int hid_pidff_init(struct hid_device *hid);
int hid_pidff_init_with_quirks(struct hid_device *hid, __u32 initial_quirks);
#else
#define hid_pidff_init NULL
#define hid_pidff_init_with_quirks NULL
#endif
/* HID PIDFF quirks */