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-rw-r--r--drivers/hid/hid-uclogic-core.c15
-rw-r--r--drivers/hid/hid-uclogic-params.c2
2 files changed, 9 insertions, 8 deletions
diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c
index cc53625ed1f7..c4ab94d58a0f 100644
--- a/drivers/hid/hid-uclogic-core.c
+++ b/drivers/hid/hid-uclogic-core.c
@@ -386,15 +386,16 @@ static int uclogic_raw_event_frame(
}
/* If need to, and can, transform the touch ring reports */
- if (frame->touch_byte > 0 && frame->touch_byte < size &&
- frame->touch_flip_at != 0) {
+ if (frame->touch_byte > 0 && frame->touch_byte < size) {
__s8 value = data[frame->touch_byte];
- if (value != 0) {
- value = frame->touch_flip_at - value;
- if (value < 0)
- value = frame->touch_max + value;
- data[frame->touch_byte] = value;
+ if (value != 0) {
+ if (frame->touch_flip_at != 0) {
+ value = frame->touch_flip_at - value;
+ if (value <= 0)
+ value = frame->touch_max + value;
+ }
+ data[frame->touch_byte] = value - 1;
}
}
diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c
index 459f15288ccc..163efd026881 100644
--- a/drivers/hid/hid-uclogic-params.c
+++ b/drivers/hid/hid-uclogic-params.c
@@ -889,7 +889,7 @@ static int uclogic_params_huion_init(struct uclogic_params *params,
UCLOGIC_RDESC_V2_FRAME_TOUCH_DEV_ID_BYTE;
p.frame_list[1].touch_byte = 5;
p.frame_list[1].touch_max = 12;
- p.frame_list[1].touch_flip_at = 6;
+ p.frame_list[1].touch_flip_at = 7;
/* Create v2 frame dial parameters */
rc = uclogic_params_frame_init_with_desc(