Fix touch input rotation / Disable single-touch mode

drivers/hid/hid-multitouch.c

@@ -169,7 +169,6 @@ struct mt_device {
 static void mt_post_parse_default_settings(struct mt_device *td,
 					   struct mt_application *app);
 static void mt_post_parse(struct mt_device *td, struct mt_application *app);
-static int cc_seen = 0;
 
 /* classes of device behavior */
 #define MT_CLS_DEFAULT				0x0001
@@ -796,11 +795,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 			app->scantime_logical_max = field->logical_maximum;
 			return 1;
 		case HID_DG_CONTACTCOUNT:
-			if(cc_seen != 1) {
-				app->have_contact_count = true;
-				app->raw_cc = &field->value[usage->usage_index];
-				cc_seen++;
-			}
+			app->have_contact_count = true;
+			app->raw_cc = &field->value[usage->usage_index];
 			return 1;
 		case HID_DG_AZIMUTH:
 			/*
@@ -1290,11 +1286,9 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 	    field->application != HID_DG_TOUCHSCREEN &&
 	    field->application != HID_DG_PEN &&
 	    field->application != HID_DG_TOUCHPAD &&
-	    field->application != HID_GD_MOUSE &&
 	    field->application != HID_GD_KEYBOARD &&
 	    field->application != HID_GD_SYSTEM_CONTROL &&
 	    field->application != HID_CP_CONSUMER_CONTROL &&
-	    field->logical != HID_DG_TOUCHSCREEN &&
 	    field->application != HID_GD_WIRELESS_RADIO_CTLS &&
 	    field->application != HID_GD_SYSTEM_MULTIAXIS &&
 	    !(field->application == HID_VD_ASUS_CUSTOM_MEDIA_KEYS &&
@@ -1346,14 +1340,6 @@ static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
 	struct mt_device *td = hid_get_drvdata(hdev);
 	struct mt_report_data *rdata;
 
-	if (field->application == HID_DG_TOUCHSCREEN ||
-			field->application == HID_DG_TOUCHPAD) {
-		if (usage->type == EV_KEY || usage->type == EV_ABS)
-			set_bit(usage->type, hi->input->evbit);
-
-		return -1;
-	}
-
 	rdata = mt_find_report_data(td, field->report);
 	if (rdata && rdata->is_mt_collection) {
 		/* We own these mappings, tell hid-input to ignore them */
@@ -1565,13 +1551,12 @@ static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
 		/* already handled by hid core */
 		break;
 	case HID_DG_TOUCHSCREEN:
-		suffix = "Touchscreen";
+		/* we do not set suffix = "Touchscreen" */
 		hi->input->name = hdev->name;
 		break;
 	case HID_DG_STYLUS:
 		/* force BTN_STYLUS to allow tablet matching in udev */
 		__set_bit(BTN_STYLUS, hi->input->keybit);
-		__set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
 		break;
 	case HID_VD_ASUS_CUSTOM_MEDIA_KEYS:
 		suffix = "Custom Media Keys";
@@ -1687,7 +1672,6 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	td->hdev = hdev;
 	td->mtclass = *mtclass;
 	td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN;
-	cc_seen = 0;
 	hid_set_drvdata(hdev, td);
 
 	INIT_LIST_HEAD(&td->applications);

drivers/misc/ipts/ipts-dbgfs.c

@@ -22,76 +22,11 @@
 #include "ipts-state.h"
 #include "../mei/mei_dev.h"
 
-const char sensor_mode_fmt[] = "sensor mode : %01d\n";
-const char ipts_status_fmt[] = "sensor mode : %01d\nipts state : %01d\n";
+const char ipts_status_fmt[] = "ipts state : %01d\n";
 const char ipts_debug_fmt[] = ">> tdt : fw status : %s\n"
 							  ">> == DB s:%x, c:%x ==\n"
 							  ">> == WQ h:%u, t:%u ==\n";
 
-static ssize_t ipts_dbgfs_mode_read(struct file *fp, char __user *ubuf,
-						size_t cnt, loff_t *ppos)
-{
-	ipts_info_t *ipts = fp->private_data;
-	char mode[80];
-	int len = 0;
-
-	if (cnt < sizeof(sensor_mode_fmt) - 3)
-		return -EINVAL;
-
-	len = scnprintf(mode, 80, sensor_mode_fmt, ipts->sensor_mode);
-	if (len < 0)
-		return -EIO;
-
-	return simple_read_from_buffer(ubuf, cnt, ppos, mode, len);
-}
-
-static ssize_t ipts_dbgfs_mode_write(struct file *fp, const char __user *ubuf,
-						size_t cnt, loff_t *ppos)
-{
-	ipts_info_t *ipts = fp->private_data;
-	ipts_state_t state;
-	int sensor_mode, len;
-	char mode[3];
-
-	if (cnt == 0 || cnt > 3)
-		return -EINVAL;
-
-	state = ipts_get_state(ipts);
-	if (state != IPTS_STA_RAW_DATA_STARTED && state != IPTS_STA_HID_STARTED) {
-		return -EIO;
-	}
-
-	len = cnt;
-	if (copy_from_user(mode, ubuf, len))
-		return -EFAULT;
-
-	while(len > 0 && (isspace(mode[len-1]) || mode[len-1] == '\n'))
-		len--;
-	mode[len] = '\0';
-
-	if (sscanf(mode, "%d", &sensor_mode) != 1)
-		return -EINVAL;
-
-	if (sensor_mode != TOUCH_SENSOR_MODE_RAW_DATA &&
-					sensor_mode != TOUCH_SENSOR_MODE_HID) {
-		return -EINVAL;
-	}
-
-	if (sensor_mode == ipts->sensor_mode)
-		return 0;
-
-	ipts_switch_sensor_mode(ipts, sensor_mode);
-
-	return cnt;
-}
-
-static const struct file_operations ipts_mode_dbgfs_fops = {
-        .open = simple_open,
-        .read = ipts_dbgfs_mode_read,
-        .write = ipts_dbgfs_mode_write,
-        .llseek = generic_file_llseek,
-};
-
 static ssize_t ipts_dbgfs_status_read(struct file *fp, char __user *ubuf,
 						size_t cnt, loff_t *ppos)
 {
@@ -102,8 +37,7 @@ static ssize_t ipts_dbgfs_status_read(struct file *fp, char __user *ubuf,
 	if (cnt < sizeof(ipts_status_fmt) - 3)
 		return -EINVAL;
 
-	len = scnprintf(status, 256, ipts_status_fmt, ipts->sensor_mode,
-						     ipts->state);
+	len = scnprintf(status, 256, ipts_status_fmt, ipts->state);
 	if (len < 0)
 		return -EIO;
 
@@ -299,13 +233,6 @@ int ipts_dbgfs_register(ipts_info_t* ipts, const char *name)
 	if (!dir)
 		return -ENOMEM;
 
-        f = debugfs_create_file("mode", S_IRUSR | S_IWUSR, dir,
-                                ipts, &ipts_mode_dbgfs_fops);
-        if (!f) {
-                ipts_err(ipts, "debugfs mode creation failed\n");
-                goto err;
-        }
-
         f = debugfs_create_file("status", S_IRUSR, dir,
                                 ipts, &ipts_status_dbgfs_fops);
         if (!f) {

drivers/misc/ipts/ipts-mei.c

@@ -39,43 +39,6 @@ static struct mei_cl_device_id ipts_mei_cl_tbl[] = {
 	{}
 };
 
-static ssize_t sensor_mode_show(struct device *dev,
-				struct device_attribute *attr, char *buf)
-{
-	ipts_info_t *ipts;
-	ipts = dev_get_drvdata(dev);
-
-	return sprintf(buf, "%d\n", ipts->sensor_mode);
-}
-
-//TODO: Verify the function implementation
-static ssize_t sensor_mode_store(struct device *dev,
-				struct device_attribute *attr, const char *buf,
-				size_t count)
-{
-	int ret;
-	long val;
-	ipts_info_t *ipts;
-
-	ipts = dev_get_drvdata(dev);
-	ret = kstrtol(buf, 10, &val);
-	if (ret)
-	   return ret;
-
-	ipts_dbg(ipts, "try sensor mode = %ld\n", val);
-
-	switch (val) {
-		case TOUCH_SENSOR_MODE_HID:
-			break;
-		case TOUCH_SENSOR_MODE_RAW_DATA:
-			break;
-		default:
-			ipts_err(ipts, "sensor mode %ld is not supported\n", val);
-	}
-
-	return count;
-}
-
 static ssize_t device_info_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
@@ -89,12 +52,9 @@ static ssize_t device_info_show(struct device *dev,
 			ipts->device_info.vendor_id, ipts->device_info.device_id,
 			ipts->device_info.hw_rev, ipts->device_info.fw_rev);
 }
-
-static DEVICE_ATTR_RW(sensor_mode);
 static DEVICE_ATTR_RO(device_info);
 
 static struct attribute *ipts_attrs[] = {
-	&dev_attr_sensor_mode.attr,
 	&dev_attr_device_info.attr,
 	NULL
 };

drivers/misc/ipts/ipts-msg-handler.c

@@ -189,17 +189,6 @@ int ipts_restart(ipts_info_t *ipts)
 	return ret;
 }
 
-int ipts_switch_sensor_mode(ipts_info_t *ipts, int new_sensor_mode)
-{
-	int ret = 0;
-
-        ipts->new_sensor_mode = new_sensor_mode;
-	ipts->switch_sensor_mode = true;
-        ret = ipts_send_sensor_quiesce_io_cmd(ipts);
-
-	return ret;
-}
-
 #define rsp_failed(ipts, cmd, status) ipts_err(ipts, \
 				"0x%08x failed status = %d\n", cmd, status);
 

drivers/misc/ipts/ipts-msg-handler.h

@@ -20,7 +20,6 @@
 int ipts_handle_cmd(ipts_info_t *ipts, u32 cmd, void *data, int data_size);
 int ipts_start(ipts_info_t *ipts);
 void ipts_stop(ipts_info_t *ipts);
-int ipts_switch_sensor_mode(ipts_info_t *ipts, int new_sensor_mode);
 int ipts_handle_resp(ipts_info_t *ipts, touch_sensor_msg_m2h_t *m2h_msg,
                      u32 msg_len);
 int ipts_handle_processed_data(ipts_info_t *ipts);