[PATCH v3 06/10] HID: pidff: Add MISSING_DEVICE_CONTROL quirk
From: Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com>
Date: 2025-01-06 21:35:52
Also in:
linux-usb
Subsystem:
hid core layer, the rest, usb hid pid drivers (usb wheelbases, joysticks, rudders, ...), usb hid/hidbp drivers (usb keyboards, mice, remote controls, ...) · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds, Tomasz Pakuła, Oleg Makarenko
With this quirk, a PID device isn't required to have the PID_DEVICE_CONTROL field available. Some devices like VRS Direct Force Pro do not implement PID_DEVICE_CONTROL in their descriptors while still having the necessary control fields like PID_ENABLE_ACTUATORS or PID_RESET. Fixes initialization of VRS Direct Force Pro Co-developed-by: Makarenko Oleg <oleg@makarenk.ooo> Signed-off-by: Makarenko Oleg <oleg@makarenk.ooo> Signed-off-by: Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com> --- drivers/hid/usbhid/hid-pidff.c | 3 ++- include/linux/hid.h | 5 +++-- 2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/hid/usbhid/hid-pidff.c b/drivers/hid/usbhid/hid-pidff.c
index d792a07b5a5d..53b16a4e54a6 100644
--- a/drivers/hid/usbhid/hid-pidff.c
+++ b/drivers/hid/usbhid/hid-pidff.c@@ -1000,7 +1000,8 @@ static int pidff_find_special_fields(struct pidff_device *pidff) 0x57, 0); pidff->device_control = pidff_find_special_field(pidff->reports[PID_DEVICE_CONTROL], - 0x96, 1); + 0x96, pidff->quirks & HID_PIDFF_QUIRK_MISSING_DEVICE_CONTROL ? 0 : 1); + pidff->block_load_status = pidff_find_special_field(pidff->reports[PID_BLOCK_LOAD], 0x8b, 1);
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 29f0a91f505f..2af9db0296d1 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h@@ -1228,8 +1228,9 @@ int hid_pidff_init(struct hid_device *hid); #endif /* HID PIDFF quirks */ -#define HID_PIDFF_QUIRK_MISSING_DELAY BIT(0) -#define HID_PIDFF_QUIRK_MISSING_PBO BIT(1) +#define HID_PIDFF_QUIRK_MISSING_DELAY BIT(0) +#define HID_PIDFF_QUIRK_MISSING_PBO BIT(1) +#define HID_PIDFF_QUIRK_MISSING_DEVICE_CONTROL BIT(2) #define dbg_hid(fmt, ...) pr_debug("%s: " fmt, __FILE__, ##__VA_ARGS__)
--
2.47.1