Merge tag 'for-linus-2023042601' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - import a bunch of HID selftests from out-of-tree hid-tools project
   (Benjamin Tissoires)

 - drastically reducing Bluetooth disconnects on hid-nintendo driven
   devices (Daniel J. Ogorchock)

 - lazy initialization of battery interfaces in wacom driver (Jason
   Gerecke)

 - generic support for all Kye tablets (David Yang)

 - proper rumble queue overrun handling in hid-nintendo (Daniel J.
   Ogorchock)

 - support for ADC measurement in logitech-hidpp driver (Bastien Nocera)

 - reset GPIO support in i2c-hid (Hans de Goede)

 - improved handling of generic "Digitizer" usage (Jason Gerecke)

 - support for KEY_CAMERA_FOCUS (Feng Qi)

 - quirks for Apple Geyser 3 and Apple Geyser 4 (Alex Henrie)

 - assorted functional fixes and device ID additions

* tag 'for-linus-2023042601' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (54 commits)
  HID: amd_sfh: Fix max supported HID devices
  HID: wacom: generic: Set battery quirk only when we see battery data
  HID: wacom: Lazy-init batteries
  HID: Ignore battery for ELAN touchscreen on ROG Flow X13 GV301RA
  HID: asus: explicitly include linux/leds.h
  HID: lg-g15: explicitly include linux/leds.h
  HID: steelseries: explicitly include linux/leds.h
  HID: apple: Set the tilde quirk flag on the Geyser 3
  HID: apple: explicitly include linux/leds.h
  HID: mcp2221: fix get and get_direction for gpio
  HID: mcp2221: fix report layout for gpio get
  HID: wacom: Set a default resolution for older tablets
  HID: i2c-hid-of: Add reset GPIO support to i2c-hid-of
  HID: i2c-hid-of: Allow using i2c-hid-of on non OF platforms
  HID: i2c-hid-of: Consistenly use dev local variable in probe()
  HID: kye: Fix rdesc for kye tablets
  HID: amd_sfh: Support for additional light sensor
  HID: amd_sfh: Handle "no sensors" enabled for SFH1.1
  HID: amd_sfh: Increase sensor command timeout for SFH1.1
  HID: amd_sfh: Correct the stop all command
  ...

2 files changed, 18 insertions, 1 deletions

diff --git a/include/linux/hid.h b/include/linux/hid.h
index 1ea8c7a3570b..4e4c4fe36911 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -156,6 +156,7 @@ struct hid_item {
 #define HID_UP_DIGITIZER	0x000d0000
 #define HID_UP_PID		0x000f0000
 #define HID_UP_BATTERY		0x00850000
+#define HID_UP_CAMERA		0x00900000
 #define HID_UP_HPVENDOR         0xff7f0000
 #define HID_UP_HPVENDOR2        0xff010000
 #define HID_UP_MSVENDOR		0xff000000
@@ -873,7 +874,7 @@ extern bool hid_is_usb(const struct hid_device *hdev);
 /* We ignore a few input applications that are not widely used */
 #define IS_INPUT_APPLICATION(a) \
 		(((a >= HID_UP_GENDESK) && (a <= HID_GD_MULTIAXIS)) \
-		|| ((a >= HID_DG_PEN) && (a <= HID_DG_WHITEBOARD)) \
+		|| ((a >= HID_DG_DIGITIZER) && (a <= HID_DG_WHITEBOARD)) \
 		|| (a == HID_GD_SYSTEM_CONTROL) || (a == HID_CP_CONSUMER_CONTROL) \
 		|| (a == HID_GD_WIRELESS_RADIO_CTLS))
 
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 9642ee02d713..0a81e0f5beb4 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -170,6 +170,12 @@ usb_find_last_int_out_endpoint(struct usb_host_interface *alt,
 	return usb_find_common_endpoints_reverse(alt, NULL, NULL, NULL, int_out);
 }
 
+enum usb_wireless_status {
+	USB_WIRELESS_STATUS_NA = 0,
+	USB_WIRELESS_STATUS_DISCONNECTED,
+	USB_WIRELESS_STATUS_CONNECTED,
+};
+
 /**
  * struct usb_interface - what usb device drivers talk to
  * @altsetting: array of interface structures, one for each alternate
@@ -197,6 +203,10 @@ usb_find_last_int_out_endpoint(struct usb_host_interface *alt,
  *	following a reset or suspend operation it doesn't support.
  * @authorized: This allows to (de)authorize individual interfaces instead
  *	a whole device in contrast to the device authorization.
+ * @wireless_status: if the USB device uses a receiver/emitter combo, whether
+ *	the emitter is connected.
+ * @wireless_status_work: Used for scheduling wireless status changes
+ *	from atomic context.
  * @dev: driver model's view of this device
  * @usb_dev: if an interface is bound to the USB major, this will point
  *	to the sysfs representation for that device.
@@ -253,6 +263,8 @@ struct usb_interface {
 	unsigned needs_binding:1;	/* needs delayed unbind/rebind */
 	unsigned resetting_device:1;	/* true: bandwidth alloc after reset */
 	unsigned authorized:1;		/* used for interface authorization */
+	enum usb_wireless_status wireless_status;
+	struct work_struct wireless_status_work;
 
 	struct device dev;		/* interface specific device info */
 	struct device *usb_dev;
@@ -887,6 +899,10 @@ static inline int usb_interface_claimed(struct usb_interface *iface)
 
 extern void usb_driver_release_interface(struct usb_driver *driver,
 			struct usb_interface *iface);
+
+int usb_set_wireless_status(struct usb_interface *iface,
+			enum usb_wireless_status status);
+
 const struct usb_device_id *usb_match_id(struct usb_interface *interface,
 					 const struct usb_device_id *id);
 extern int usb_match_one_id(struct usb_interface *interface,