Only tablets with the WACOM_QUIRK_BBTOUCH_LOWRES flag set should have
their coordinates expanded. This fix was never backported from upstream
to the 2.6.30 kernel; only the 2.6.38+ kernels.
Signed-off-by: Jason Gerecke <jason.gere...@wacom.com>
---
2.6.30/wacom_wac.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/2.6.30/wacom_wac.c b/2.6.30/wacom_wac.c
index 3b65a8d..e2696ef 100644
--- a/2.6.30/wacom_wac.c
+++ b/2.6.30/wacom_wac.c
@@ -1375,6 +1375,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t
len)
static int wacom_bpt_touch(struct wacom_wac *wacom)
{
+ struct wacom_features *features = &wacom->features;
struct input_dev *input = wacom->input;
unsigned char *data = wacom->data;
int i, touch_count = 0;
@@ -1404,8 +1405,10 @@ static int wacom_bpt_touch(struct wacom_wac *wacom)
if (touch) {
int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
- x <<= 5;
- y <<= 5;
+ if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
+ x <<= 5;
+ y <<= 5;
+ }
input_report_abs(input, ABS_X, x);
input_report_abs(input, ABS_Y, y);
}
--
2.17.0
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