From: Aaron Armstrong Skomra skomra@gmail.com
commit fcf887e7caaa813eea821d11bf2b7619a37df37a upstream.
The EKR ring claims a range of 0 to 71 but actually reports values 1 to 72. The ring is used in relative mode so this change should not affect users.
Signed-off-by: Aaron Armstrong Skomra aaron.skomra@wacom.com Fixes: 72b236d60218f ("HID: wacom: Add support for Express Key Remote.") Cc: stable@vger.kernel.org # v4.3+ Reviewed-by: Ping Cheng ping.cheng@wacom.com Reviewed-by: Jason Gerecke jason.gerecke@wacom.com Signed-off-by: Jiri Kosina jkosina@suse.cz Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/hid/wacom_wac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -674,7 +674,7 @@ static int wacom_remote_irq(struct wacom input_report_key(input, BTN_BASE2, (data[11] & 0x02));
if (data[12] & 0x80) - input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f)); + input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1); else input_report_abs(input, ABS_WHEEL, 0);