From 8f5bb6b3be37f35c2c47e378c09b5a028313c6c0 Mon Sep 17 00:00:00 2001 From: Taeyoung Kim Date: Fri, 4 Dec 2015 21:15:50 +0900 Subject: [PATCH] touchscreen: add touchscreen hal interface - If a target has touchscreen, the touchscreen can be enabled or disable by some scenarios. Thus the hal interface for touchscreen is added. Change-Id: I037af46a8dbeff606655e4714fc37bd20a9e3f99 Signed-off-by: Taeyoung Kim --- hw/touchscreen.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 hw/touchscreen.h diff --git a/hw/touchscreen.h b/hw/touchscreen.h new file mode 100644 index 0000000..9614164 --- /dev/null +++ b/hw/touchscreen.h @@ -0,0 +1,48 @@ +/* + * libdevice-node + * + * Copyright (c) 2015 Samsung Electronics Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the License); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +#ifndef __HW_TOUCHSCREEN_H__ +#define __HW_TOUCHSCREEN_H__ + +#include + +/** + * The id of this device + */ +#define TOUCHSCREEN_HARDWARE_DEVICE_ID "touchscreen" + +/** + * The version of this device + */ +#define TOUCHSCREEN_HARDWARE_DEVICE_VERSION MAKE_VERSION(0,1) + +enum touchscreen_state { + TOUCHSCREEN_OFF, /* Disable touchscreen */ + TOUCHSCREEN_ON, /* Enable touchscreen */ +}; + +struct touchscreen_device { + struct hw_common common; + + /* Control touchscreen state */ + int (*get_state)(enum touchscreen_state *state); + int (*set_state)(enum touchscreen_state state); +}; + +#endif -- 2.34.1