Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423111Ab2KNQB2 (ORCPT ); Wed, 14 Nov 2012 11:01:28 -0500 Received: from mail-wi0-f172.google.com ([209.85.212.172]:38882 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423016Ab2KNP74 (ORCPT ); Wed, 14 Nov 2012 10:59:56 -0500 From: Benjamin Tissoires To: "benjamin.tissoires" , Dmitry Torokhov , Henrik Rydberg , Jiri Kosina , Stephane Chatty , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 10/14] Input: mt: add input_mt_is_used Date: Wed, 14 Nov 2012 16:59:22 +0100 Message-Id: <1352908766-4492-11-git-send-email-benjamin.tissoires@gmail.com> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1352908766-4492-1-git-send-email-benjamin.tissoires@gmail.com> References: <1352908766-4492-1-git-send-email-benjamin.tissoires@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1665 Lines: 47 This patch extracts the test (slot->frame == mt->frame) so that it can be used in third party drivers. Signed-off-by: Benjamin Tissoires --- drivers/input/input-mt.c | 2 +- include/linux/input/mt.h | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index c0ec7d4..475b9d4 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -247,7 +247,7 @@ void input_mt_sync_frame(struct input_dev *dev) if (mt->flags & INPUT_MT_DROP_UNUSED) { for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { - if (s->frame == mt->frame) + if (input_mt_is_used(mt, s)) continue; input_mt_slot(dev, s - mt->slots); input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h index cc5cca7..2e86bd0 100644 --- a/include/linux/input/mt.h +++ b/include/linux/input/mt.h @@ -69,6 +69,12 @@ static inline bool input_mt_is_active(const struct input_mt_slot *slot) return input_mt_get_value(slot, ABS_MT_TRACKING_ID) >= 0; } +static inline bool input_mt_is_used(const struct input_mt *mt, + const struct input_mt_slot *slot) +{ + return slot->frame == mt->frame; +} + int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, unsigned int flags); void input_mt_destroy_slots(struct input_dev *dev); -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/