summaryrefslogtreecommitdiffstats
path: root/drivers/hid/wacom_wac.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:29 +0000
commit83506c85f8d4332b3edfdc8f1fd07aa691415350 (patch)
tree316b9630e093bb3b80e5d6e1c304151b5597901e /drivers/hid/wacom_wac.c
parentAdding upstream version 5.10.209. (diff)
downloadlinux-upstream/5.10.216.tar.xz
linux-upstream/5.10.216.zip
Adding upstream version 5.10.216.upstream/5.10.216
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hid/wacom_wac.c')
-rw-r--r--drivers/hid/wacom_wac.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 726a5d766..c454768ff 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -2540,7 +2540,14 @@ static void wacom_wac_pen_report(struct hid_device *hdev,
wacom_wac->hid_data.tipswitch);
input_report_key(input, wacom_wac->tool[0], sense);
if (wacom_wac->serial[0]) {
- input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
+ /*
+ * xf86-input-wacom does not accept a serial number
+ * of '0'. Report the low 32 bits if possible, but
+ * if they are zero, report the upper ones instead.
+ */
+ __u32 serial_lo = wacom_wac->serial[0] & 0xFFFFFFFFu;
+ __u32 serial_hi = wacom_wac->serial[0] >> 32;
+ input_event(input, EV_MSC, MSC_SERIAL, (int)(serial_lo ? serial_lo : serial_hi));
input_report_abs(input, ABS_MISC, sense ? id : 0);
}