diff options
Diffstat (limited to '0020-HID-input-fix-uclogic-tablets.patch')
| -rw-r--r-- | 0020-HID-input-fix-uclogic-tablets.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/0020-HID-input-fix-uclogic-tablets.patch b/0020-HID-input-fix-uclogic-tablets.patch new file mode 100644 index 000000000000..f8a95f4638ca --- /dev/null +++ b/0020-HID-input-fix-uclogic-tablets.patch @@ -0,0 +1,46 @@ +From b61400c4e784065c9783442e8ef096fefa811901 Mon Sep 17 00:00:00 2001 +From: Benjamin Tissoires <benjamin.tissoires@redhat.com> +Date: Mon, 22 Aug 2022 08:22:47 +0200 +Subject: [PATCH 20/73] HID: input: fix uclogic tablets + +commit 8db8be9cfc89935c97d791c7e6264e710a7e8a56 upstream. + +commit 87562fcd1342 ("HID: input: remove the need for HID_QUIRK_INVERT") +made the assumption that it was the only one handling tablets and thus +kept an internal state regarding the tool. + +Turns out that the uclogic driver has a timer to release the in range +bit, effectively making hid-input ignoring all in range information +after the very first one. + +Fix that by having a more rationale approach which consists in forwarding +every event and let the input stack filter out the duplicates. + +Reported-by: Stefan Hansson <newbie13xd@gmail.com> +Fixes: 87562fcd1342 ("HID: input: remove the need for HID_QUIRK_INVERT") +Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> +Signed-off-by: Jiri Kosina <jkosina@suse.cz> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/hid/hid-input.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c +index 48c1c02c69f4..871a185a0f1f 100644 +--- a/drivers/hid/hid-input.c ++++ b/drivers/hid/hid-input.c +@@ -1532,7 +1532,10 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct + * assume ours + */ + if (!report->tool) +- hid_report_set_tool(report, input, usage->code); ++ report->tool = usage->code; ++ ++ /* drivers may have changed the value behind our back, resend it */ ++ hid_report_set_tool(report, input, report->tool); + } else { + hid_report_release_tool(report, input, usage->code); + } +-- +2.37.3 + |