- Because now we are using stylus on sofiap and this will keep touch always on high sensitive mode which will easy to lead to the problem such as ghost touch , residue points etc. So we add a pen notifier to touch and then the firmware of the touch can adjust the mode according to the status of the pen. Change-Id: I328fbe973d960e0decc60b86e4d16140e66e2cb9 Signed-off-by: wengjun1 <wengjun1@motorola.com> Reviewed-on: https://gerrit.mot.com/1438179 SME-Granted: SME Approvals Granted SLTApproved: Slta Waiver Tested-by: Jira Key Reviewed-by: Jianqiu Huang <huangjq9@motorola.com> Reviewed-by: Huosheng Liao <liaohs@motorola.com> Submit-Approved: Jira Key
26 lines
902 B
C
26 lines
902 B
C
/*
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* Copyright (c) 2019, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _PEN_DETECTION_DRM_NOTIFY_H_
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#define _PEN_DETECTION_DRM_NOTIFY_H_
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#include <linux/notifier.h>
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/* The event of pen insertion */
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#define PEN_DETECTION_INSERT 0x01
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/* The event of pen pull-out */
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#define PEN_DETECTION_PULL 0x02
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int pen_detection_register_client(struct notifier_block *nb);
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int pen_detection_unregister_client(struct notifier_block *nb);
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#endif
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