From 1155961946f2c6ac0f2db2bc6318ec01c79fb3fa Mon Sep 17 00:00:00 2001 From: JJ Ding <jj_ding@emc.com.tw> Date: Fri, 9 Sep 2011 10:22:19 -0700 Subject: Input: elantech - correct x, y value range for v2 hardware MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit x, y values are actually 12-bit long. Also update protocol document to reflect the change. Signed-off-by: JJ Ding <jj_ding@emc.com.tw> Acked-by: Daniel Kurtz <djkurtz@chromium.org> Acked-by: Éric Piel <eric.piel@tremplin-utc.net> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> --- drivers/input/mouse/elantech.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/input') diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 32503565faf..da161dae350 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -290,15 +290,15 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse) /* pass through... */ case 1: /* - * byte 1: . . . . . x10 x9 x8 + * byte 1: . . . . x11 x10 x9 x8 * byte 2: x7 x6 x5 x4 x4 x2 x1 x0 */ - x1 = ((packet[1] & 0x07) << 8) | packet[2]; + x1 = ((packet[1] & 0x0f) << 8) | packet[2]; /* - * byte 4: . . . . . . y9 y8 + * byte 4: . . . . y11 y10 y9 y8 * byte 5: y7 y6 y5 y4 y3 y2 y1 y0 */ - y1 = ETP_YMAX_V2 - (((packet[4] & 0x03) << 8) | packet[5]); + y1 = ETP_YMAX_V2 - (((packet[4] & 0x0f) << 8) | packet[5]); input_report_abs(dev, ABS_X, x1); input_report_abs(dev, ABS_Y, y1); -- cgit v1.2.3-70-g09d2