synaptics_s7301: add disabling keypad

Change-Id: I5af258d2245024918f08a1a7c93c6efcc4d177b3

drivers/input/touchscreen/synaptics_s7301.c

@@ -591,7 +591,7 @@ static void synaptics_ts_read_points(struct synaptics_drv_data *data,
 #endif
 	u16 addr = data->f11.data_base_addr + 3;
 	u16 x = 0, y = 0;
-	
+
 #if defined(CONFIG_SEC_TOUCHSCREEN_SURFACE_TOUCH)
 	ret = synaptics_ts_read_block(data,
 		palm_addr, &palm, 1);
@@ -1076,9 +1076,11 @@ static int __init synaptics_ts_probe(struct i2c_client *client,
 	__set_bit(EV_KEY, input->evbit);
 	__set_bit(MT_TOOL_FINGER, input->keybit);
 	__set_bit(INPUT_PROP_DIRECT, input->propbit);
+
+	atomic_set(&ddata->keypad_enable, 1);
 
 #if defined(CONFIG_TOUCHSCREEN_SYNAPTICS_S7301_KEYLED)
-	if (pdata->led_event) {
+	if (pdata->led_event && atomic_read(&ddata->keypad_enable)) {
 		__set_bit(EV_LED, input->evbit);
 		__set_bit(LED_MISC, input->ledbit);
 	}
@@ -1106,17 +1108,19 @@ static int __init synaptics_ts_probe(struct i2c_client *client,
 		0, 1, 0, 0);
 #endif
 #if defined (CONFIG_TOUCHSCREEN_SYNAPTICS_S7301_KEYS)
-	if (pdata->support_extend_button) {
-		for (ret = 0; ret < pdata->extend_button_map->nbuttons; ret++) {
-			if (pdata->extend_button_map->map[ret] != KEY_RESERVED)
-				input_set_capability(input, EV_KEY,
-					pdata->extend_button_map->map[ret]);
-		}
-	} else {
-		for (ret = 0; ret < pdata->button_map->nbuttons; ret++)
-			input_set_capability(input, EV_KEY,
-				pdata->button_map->map[ret]);
-	}
+    if(atomic_read(&ddata->keypad_enable)){
+	    if (pdata->support_extend_button) {
+		    for (ret = 0; ret < pdata->extend_button_map->nbuttons; ret++) {
+			    if (pdata->extend_button_map->map[ret] != KEY_RESERVED)
+				    input_set_capability(input, EV_KEY,
+					    pdata->extend_button_map->map[ret]);
+		    }
+	    } else {
+		    for (ret = 0; ret < pdata->button_map->nbuttons; ret++)
+			    input_set_capability(input, EV_KEY,
+				    pdata->button_map->map[ret]);
+	    }
+    }
 #endif
 
 	ret = input_register_device(input);

drivers/input/touchscreen/synaptics_sysfs.c

@@ -1204,6 +1204,37 @@ static ssize_t sec_extra_button_store(struct device *dev,
 	return size;
 }
 
+static ssize_t sec_keypad_enable_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct synaptics_drv_data *data = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", atomic_read(&data->keypad_enable));
+}
+
+static ssize_t sec_keypad_enable_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct synaptics_drv_data *data = dev_get_drvdata(dev);
+
+	unsigned int val = 0;
+	sscanf(buf, "%d", &val);
+	val = (val == 0 ? 0 : 1);
+	atomic_set(&data->keypad_enable, val);
+	if (val) {
+		set_bit(KEY_BACK, data->input->keybit);
+		set_bit(KEY_MENU, data->input->keybit);
+		set_bit(KEY_HOME, data->input->keybit);
+	} else {
+		clear_bit(KEY_BACK, data->input->keybit);
+		clear_bit(KEY_MENU, data->input->keybit);
+		clear_bit(KEY_HOME, data->input->keybit);
+	}
+	input_sync(data->input);
+
+	return count;
+}
+
 static DEVICE_ATTR(touch_sensitivity, S_IRUGO | S_IWUSR,
 	NULL, sec_touchkey_sensitivity_store);
 static DEVICE_ATTR(touchkey_back, S_IRUGO | S_IWUSR,
@@ -1226,6 +1257,8 @@ static DEVICE_ATTR(extra_button_event, S_IRUGO | S_IWUSR,
 	NULL, sec_extra_button_store);
 static DEVICE_ATTR(touchkey_button_status, S_IRUGO | S_IWUSR,
 	sec_touchkey_button_status_show, NULL);
+static DEVICE_ATTR(keypad_enable, S_IRUGO|S_IWUSR,
+	sec_keypad_enable_show, sec_keypad_enable_store);
 
 static struct attribute *sec_touchkey_sysfs_attributes[] = {
 	&dev_attr_touch_sensitivity.attr,
@@ -1239,6 +1272,7 @@ static struct attribute *sec_touchkey_sysfs_attributes[] = {
 	&dev_attr_brightness.attr,
 	&dev_attr_extra_button_event.attr,
 	&dev_attr_touchkey_button_status.attr,
+	&dev_attr_keypad_enable.attr,
 	NULL,
 };
 

include/linux/synaptics_s7301.h

@@ -281,6 +281,7 @@ struct synaptics_drv_data {
 	u16 refer_min;
 	u16 rx_to_rx[42][42];
 	unsigned long func_bit[BITS_TO_LONGS(MAX_FUNC+1)];
+	atomic_t keypad_enable;
 };
 
 extern struct class *sec_class;