From: Chris Bagwell Date: Thu, 27 Oct 2011 05:28:34 +0000 (-0700) Subject: Input: wacom - relax Bamboo stylus ID check X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c5981411f60c31f0dff6f0f98d2d3711384badaf;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git Input: wacom - relax Bamboo stylus ID check Bit 0x02 always means tip versus eraser. Bit 0x01 is something related to version of stylus and different values are starting to be used. Relaxing proximity check is required to be used with 3rd generation Bamboo Pen and Touch tablets. Signed-off-by: Chris Bagwell Acked-by: Ping Cheng Signed-off-by: Dmitry Torokhov --- diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 7fefd93596ea..d1ced325939d 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -842,12 +842,7 @@ static int wacom_bpt_pen(struct wacom_wac *wacom) unsigned char *data = wacom->data; int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0; - /* - * Similar to Graphire protocol, data[1] & 0x20 is proximity and - * data[1] & 0x18 is tool ID. 0x30 is safety check to ignore - * 2 unused tool ID's. - */ - prox = (data[1] & 0x30) == 0x30; + prox = (data[1] & 0x20) == 0x20; /* * All reports shared between PEN and RUBBER tool must be