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-rw-r--r--drivers/hid/hid-generic.c9
-rw-r--r--drivers/hid/hid-input.c7
-rw-r--r--include/linux/hid.h1
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/hid/hid-generic.c b/drivers/hid/hid-generic.c
index 9e04c6d0fcc8..c2de916747de 100644
--- a/drivers/hid/hid-generic.c
+++ b/drivers/hid/hid-generic.c
@@ -70,6 +70,14 @@ static int hid_generic_probe(struct hid_device *hdev,
return hid_hw_start(hdev, HID_CONNECT_DEFAULT);
}
+static int hid_generic_reset_resume(struct hid_device *hdev)
+{
+ if (hdev->claimed & HID_CLAIMED_INPUT)
+ hidinput_reset_resume(hdev);
+
+ return 0;
+}
+
static const struct hid_device_id hid_table[] = {
{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, HID_ANY_ID, HID_ANY_ID) },
{ }
@@ -81,6 +89,7 @@ static struct hid_driver hid_generic = {
.id_table = hid_table,
.match = hid_generic_match,
.probe = hid_generic_probe,
+ .reset_resume = hid_generic_reset_resume,
};
module_hid_driver(hid_generic);
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 2bbb645c2ff4..9f899ee83f0b 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -2400,6 +2400,13 @@ void hidinput_disconnect(struct hid_device *hid)
}
EXPORT_SYMBOL_GPL(hidinput_disconnect);
+void hidinput_reset_resume(struct hid_device *hid)
+{
+ /* renegotiate host-device shared state after reset */
+ hidinput_change_resolution_multipliers(hid);
+}
+EXPORT_SYMBOL_GPL(hidinput_reset_resume);
+
#ifdef CONFIG_HID_KUNIT_TEST
#include "hid-input-test.c"
#endif
diff --git a/include/linux/hid.h b/include/linux/hid.h
index a4ddb94e3ee5..dce862cafbbd 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -984,6 +984,7 @@ extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct h
extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
extern int hidinput_connect(struct hid_device *hid, unsigned int force);
extern void hidinput_disconnect(struct hid_device *);
+void hidinput_reset_resume(struct hid_device *hid);
struct hid_field *hid_find_field(struct hid_device *hdev, unsigned int report_type,
unsigned int application, unsigned int usage);