Merge branch 'next' into for-linus

Prepare input updates for 6.8 merge window.

11 files changed, 62 insertions, 69 deletions

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 20094b9899f0..05dcacf7061b 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -2818,8 +2818,8 @@ static ssize_t mxt_fw_version_show(struct device *dev,
 {
 	struct mxt_data *data = dev_get_drvdata(dev);
 	struct mxt_info *info = data->info;
-	return scnprintf(buf, PAGE_SIZE, "%u.%u.%02X\n",
-			 info->version >> 4, info->version & 0xf, info->build);
+	return sysfs_emit(buf, "%u.%u.%02X\n",
+			  info->version >> 4, info->version & 0xf, info->build);
 }
 
 /* Hardware Version is returned as FamilyID.VariantID */
@@ -2828,8 +2828,7 @@ static ssize_t mxt_hw_version_show(struct device *dev,
 {
 	struct mxt_data *data = dev_get_drvdata(dev);
 	struct mxt_info *info = data->info;
-	return scnprintf(buf, PAGE_SIZE, "%u.%u\n",
-			 info->family_id, info->variant_id);
+	return sysfs_emit(buf, "%u.%u\n", info->family_id, info->variant_id);
 }
 
 static ssize_t mxt_show_instance(char *buf, int count,
@@ -2839,19 +2838,18 @@ static ssize_t mxt_show_instance(char *buf, int count,
 	int i;
 
 	if (mxt_obj_instances(object) > 1)
-		count += scnprintf(buf + count, PAGE_SIZE - count,
-				   "Instance %u\n", instance);
+		count += sysfs_emit_at(buf, count, "Instance %u\n", instance);
 
 	for (i = 0; i < mxt_obj_size(object); i++)
-		count += scnprintf(buf + count, PAGE_SIZE - count,
-				"\t[%2u]: %02x (%d)\n", i, val[i], val[i]);
-	count += scnprintf(buf + count, PAGE_SIZE - count, "\n");
+		count += sysfs_emit_at(buf, count, "\t[%2u]: %02x (%d)\n",
+				       i, val[i], val[i]);
+	count += sysfs_emit_at(buf, count, "\n");
 
 	return count;
 }
 
 static ssize_t mxt_object_show(struct device *dev,
-				    struct device_attribute *attr, char *buf)
+			       struct device_attribute *attr, char *buf)
 {
 	struct mxt_data *data = dev_get_drvdata(dev);
 	struct mxt_object *object;
@@ -2872,8 +2870,7 @@ static ssize_t mxt_object_show(struct device *dev,
 		if (!mxt_object_readable(object->type))
 			continue;
 
-		count += scnprintf(buf + count, PAGE_SIZE - count,
-				"T%u:\n", object->type);
+		count += sysfs_emit_at(buf, count, "T%u:\n", object->type);
 
 		for (j = 0; j < mxt_obj_instances(object); j++) {
 			u16 size = mxt_obj_size(object);
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 3e102bcc4a1c..2a1db1134476 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -431,7 +431,7 @@ static ssize_t edt_ft5x06_setting_show(struct device *dev,
 		*field = val;
 	}
 
-	count = scnprintf(buf, PAGE_SIZE, "%d\n", val);
+	count = sysfs_emit(buf, "%d\n", val);
 out:
 	mutex_unlock(&tsdata->mutex);
 	return error ?: count;
diff --git a/drivers/input/touchscreen/hideep.c b/drivers/input/touchscreen/hideep.c
index 0f58258306bf..eae90676f4e5 100644
--- a/drivers/input/touchscreen/hideep.c
+++ b/drivers/input/touchscreen/hideep.c
@@ -928,8 +928,7 @@ static ssize_t hideep_fw_version_show(struct device *dev,
 	ssize_t len;
 
 	mutex_lock(&ts->dev_mutex);
-	len = scnprintf(buf, PAGE_SIZE, "%04x\n",
-			be16_to_cpu(ts->dwz_info.release_ver));
+	len = sysfs_emit(buf, "%04x\n", be16_to_cpu(ts->dwz_info.release_ver));
 	mutex_unlock(&ts->dev_mutex);
 
 	return len;
@@ -943,8 +942,7 @@ static ssize_t hideep_product_id_show(struct device *dev,
 	ssize_t len;
 
 	mutex_lock(&ts->dev_mutex);
-	len = scnprintf(buf, PAGE_SIZE, "%04x\n",
-			be16_to_cpu(ts->dwz_info.product_id));
+	len = sysfs_emit(buf, "%04x\n", be16_to_cpu(ts->dwz_info.product_id));
 	mutex_unlock(&ts->dev_mutex);
 
 	return len;
diff --git a/drivers/input/touchscreen/hycon-hy46xx.c b/drivers/input/touchscreen/hycon-hy46xx.c
index d0f257989fd6..2e01d87977c1 100644
--- a/drivers/input/touchscreen/hycon-hy46xx.c
+++ b/drivers/input/touchscreen/hycon-hy46xx.c
@@ -202,7 +202,7 @@ static ssize_t hycon_hy46xx_setting_show(struct device *dev,
 		*field = val;
 	}
 
-	count = scnprintf(buf, PAGE_SIZE, "%d\n", val);
+	count = sysfs_emit(buf, "%d\n", val);
 
 out:
 	mutex_unlock(&tsdata->mutex);
diff --git a/drivers/input/touchscreen/ilitek_ts_i2c.c b/drivers/input/touchscreen/ilitek_ts_i2c.c
index 90c4934e750a..fc4e39b6651a 100644
--- a/drivers/input/touchscreen/ilitek_ts_i2c.c
+++ b/drivers/input/touchscreen/ilitek_ts_i2c.c
@@ -512,12 +512,12 @@ static ssize_t firmware_version_show(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct ilitek_ts_data *ts = i2c_get_clientdata(client);
 
-	return scnprintf(buf, PAGE_SIZE,
-			 "fw version: [%02X%02X.%02X%02X.%02X%02X.%02X%02X]\n",
-			 ts->firmware_ver[0], ts->firmware_ver[1],
-			 ts->firmware_ver[2], ts->firmware_ver[3],
-			 ts->firmware_ver[4], ts->firmware_ver[5],
-			 ts->firmware_ver[6], ts->firmware_ver[7]);
+	return sysfs_emit(buf,
+			  "fw version: [%02X%02X.%02X%02X.%02X%02X.%02X%02X]\n",
+			  ts->firmware_ver[0], ts->firmware_ver[1],
+			  ts->firmware_ver[2], ts->firmware_ver[3],
+			  ts->firmware_ver[4], ts->firmware_ver[5],
+			  ts->firmware_ver[6], ts->firmware_ver[7]);
 }
 static DEVICE_ATTR_RO(firmware_version);
 
@@ -527,8 +527,8 @@ static ssize_t product_id_show(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct ilitek_ts_data *ts = i2c_get_clientdata(client);
 
-	return scnprintf(buf, PAGE_SIZE, "product id: [%04X], module: [%s]\n",
-			 ts->mcu_ver, ts->product_id);
+	return sysfs_emit(buf, "product id: [%04X], module: [%s]\n",
+			  ts->mcu_ver, ts->product_id);
 }
 static DEVICE_ATTR_RO(product_id);
 
diff --git a/drivers/input/touchscreen/iqs5xx.c b/drivers/input/touchscreen/iqs5xx.c
index a3f4fb85bee5..4d226118f3cc 100644
--- a/drivers/input/touchscreen/iqs5xx.c
+++ b/drivers/input/touchscreen/iqs5xx.c
@@ -943,12 +943,12 @@ static ssize_t fw_info_show(struct device *dev,
 	if (!iqs5xx->dev_id_info.bl_status)
 		return -ENODATA;
 
-	return scnprintf(buf, PAGE_SIZE, "%u.%u.%u.%u:%u.%u\n",
-			 be16_to_cpu(iqs5xx->dev_id_info.prod_num),
-			 be16_to_cpu(iqs5xx->dev_id_info.proj_num),
-			 iqs5xx->dev_id_info.major_ver,
-			 iqs5xx->dev_id_info.minor_ver,
-			 iqs5xx->exp_file[0], iqs5xx->exp_file[1]);
+	return sysfs_emit(buf, "%u.%u.%u.%u:%u.%u\n",
+			  be16_to_cpu(iqs5xx->dev_id_info.prod_num),
+			  be16_to_cpu(iqs5xx->dev_id_info.proj_num),
+			  iqs5xx->dev_id_info.major_ver,
+			  iqs5xx->dev_id_info.minor_ver,
+			  iqs5xx->exp_file[0], iqs5xx->exp_file[1]);
 }
 
 static DEVICE_ATTR_WO(fw_file);
diff --git a/drivers/input/touchscreen/iqs7211.c b/drivers/input/touchscreen/iqs7211.c
index dc084f873762..f0a56cde899e 100644
--- a/drivers/input/touchscreen/iqs7211.c
+++ b/drivers/input/touchscreen/iqs7211.c
@@ -2401,12 +2401,12 @@ static ssize_t fw_info_show(struct device *dev,
 {
 	struct iqs7211_private *iqs7211 = dev_get_drvdata(dev);
 
-	return scnprintf(buf, PAGE_SIZE, "%u.%u.%u.%u:%u.%u\n",
-			 le16_to_cpu(iqs7211->ver_info.prod_num),
-			 le32_to_cpu(iqs7211->ver_info.patch),
-			 le16_to_cpu(iqs7211->ver_info.major),
-			 le16_to_cpu(iqs7211->ver_info.minor),
-			 iqs7211->exp_file[1], iqs7211->exp_file[0]);
+	return sysfs_emit(buf, "%u.%u.%u.%u:%u.%u\n",
+			  le16_to_cpu(iqs7211->ver_info.prod_num),
+			  le32_to_cpu(iqs7211->ver_info.patch),
+			  le16_to_cpu(iqs7211->ver_info.major),
+			  le16_to_cpu(iqs7211->ver_info.minor),
+			  iqs7211->exp_file[1], iqs7211->exp_file[0]);
 }
 
 static DEVICE_ATTR_RO(fw_info);
diff --git a/drivers/input/touchscreen/melfas_mip4.c b/drivers/input/touchscreen/melfas_mip4.c
index aa325486f618..78e1c63e530e 100644
--- a/drivers/input/touchscreen/melfas_mip4.c
+++ b/drivers/input/touchscreen/melfas_mip4.c
@@ -1336,9 +1336,9 @@ static ssize_t mip4_sysfs_read_fw_version(struct device *dev,
 	/* Take lock to prevent racing with firmware update */
 	mutex_lock(&ts->input->mutex);
 
-	count = snprintf(buf, PAGE_SIZE, "%04X %04X %04X %04X\n",
-			 ts->fw_version.boot, ts->fw_version.core,
-			 ts->fw_version.app, ts->fw_version.param);
+	count = sysfs_emit(buf, "%04X %04X %04X %04X\n",
+			   ts->fw_version.boot, ts->fw_version.core,
+			   ts->fw_version.app, ts->fw_version.param);
 
 	mutex_unlock(&ts->input->mutex);
 
@@ -1362,8 +1362,8 @@ static ssize_t mip4_sysfs_read_hw_version(struct device *dev,
 	 * product_name shows the name or version of the hardware
 	 * paired with current firmware in the chip.
 	 */
-	count = snprintf(buf, PAGE_SIZE, "%.*s\n",
-			 (int)sizeof(ts->product_name), ts->product_name);
+	count = sysfs_emit(buf, "%.*s\n",
+			   (int)sizeof(ts->product_name), ts->product_name);
 
 	mutex_unlock(&ts->input->mutex);
 
@@ -1382,7 +1382,7 @@ static ssize_t mip4_sysfs_read_product_id(struct device *dev,
 
 	mutex_lock(&ts->input->mutex);
 
-	count = snprintf(buf, PAGE_SIZE, "%04X\n", ts->product_id);
+	count = sysfs_emit(buf, "%04X\n", ts->product_id);
 
 	mutex_unlock(&ts->input->mutex);
 
@@ -1401,8 +1401,8 @@ static ssize_t mip4_sysfs_read_ic_name(struct device *dev,
 
 	mutex_lock(&ts->input->mutex);
 
-	count = snprintf(buf, PAGE_SIZE, "%.*s\n",
-			 (int)sizeof(ts->ic_name), ts->ic_name);
+	count = sysfs_emit(buf, "%.*s\n",
+			   (int)sizeof(ts->ic_name), ts->ic_name);
 
 	mutex_unlock(&ts->input->mutex);
 
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index d6d04b9f04fc..60354ebc7242 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -456,8 +456,8 @@ static ssize_t mtouch_firmware_rev_show(struct device *dev,
 	struct usbtouch_usb *usbtouch = usb_get_intfdata(intf);
 	struct mtouch_priv *priv = usbtouch->priv;
 
-	return scnprintf(output, PAGE_SIZE, "%1x.%1x\n",
-			 priv->fw_rev_major, priv->fw_rev_minor);
+	return sysfs_emit(output, "%1x.%1x\n",
+			  priv->fw_rev_major, priv->fw_rev_minor);
 }
 static DEVICE_ATTR(firmware_rev, 0444, mtouch_firmware_rev_show, NULL);
 
diff --git a/drivers/input/touchscreen/wdt87xx_i2c.c b/drivers/input/touchscreen/wdt87xx_i2c.c
index 128341a6696b..32c7be54434c 100644
--- a/drivers/input/touchscreen/wdt87xx_i2c.c
+++ b/drivers/input/touchscreen/wdt87xx_i2c.c
@@ -887,7 +887,7 @@ static ssize_t config_csum_show(struct device *dev,
 	cfg_csum = wdt->param.xmls_id1;
 	cfg_csum = (cfg_csum << 16) | wdt->param.xmls_id2;
 
-	return scnprintf(buf, PAGE_SIZE, "%x\n", cfg_csum);
+	return sysfs_emit(buf, "%x\n", cfg_csum);
 }
 
 static ssize_t fw_version_show(struct device *dev,
@@ -896,7 +896,7 @@ static ssize_t fw_version_show(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct wdt87xx_data *wdt = i2c_get_clientdata(client);
 
-	return scnprintf(buf, PAGE_SIZE, "%x\n", wdt->param.fw_id);
+	return sysfs_emit(buf, "%x\n", wdt->param.fw_id);
 }
 
 static ssize_t plat_id_show(struct device *dev,
@@ -905,7 +905,7 @@ static ssize_t plat_id_show(struct device *dev,
 	struct i2c_client *client = to_i2c_client(dev);
 	struct wdt87xx_data *wdt = i2c_get_clientdata(client);
 
-	return scnprintf(buf, PAGE_SIZE, "%x\n", wdt->param.plat_id);
+	return sysfs_emit(buf, "%x\n", wdt->param.plat_id);
 }
 
 static ssize_t update_config_store(struct device *dev,
diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
index 5be5112845e1..5680075f0bb8 100644
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@@ -20,6 +20,7 @@
 #include <linux/device.h>
 #include <linux/sysfs.h>
 #include <linux/input/mt.h>
+#include <linux/input/touchscreen.h>
 #include <linux/platform_data/zforce_ts.h>
 #include <linux/regulator/consumer.h>
 #include <linux/of.h>
@@ -106,6 +107,7 @@ struct zforce_point {
 struct zforce_ts {
 	struct i2c_client	*client;
 	struct input_dev	*input;
+	struct touchscreen_properties prop;
 	const struct zforce_ts_platdata *pdata;
 	char			phys[32];
 
@@ -266,7 +268,6 @@ static int zforce_setconfig(struct zforce_ts *ts, char b1)
 static int zforce_start(struct zforce_ts *ts)
 {
 	struct i2c_client *client = ts->client;
-	const struct zforce_ts_platdata *pdata = ts->pdata;
 	int ret;
 
 	dev_dbg(&client->dev, "starting device\n");
@@ -277,7 +278,7 @@ static int zforce_start(struct zforce_ts *ts)
 		return ret;
 	}
 
-	ret = zforce_resolution(ts, pdata->x_max, pdata->y_max);
+	ret = zforce_resolution(ts, ts->prop.max_x, ts->prop.max_y);
 	if (ret) {
 		dev_err(&client->dev, "Unable to set resolution, %d\n", ret);
 		goto error;
@@ -337,7 +338,6 @@ static int zforce_stop(struct zforce_ts *ts)
 static int zforce_touch_event(struct zforce_ts *ts, u8 *payload)
 {
 	struct i2c_client *client = ts->client;
-	const struct zforce_ts_platdata *pdata = ts->pdata;
 	struct zforce_point point;
 	int count, i, num = 0;
 
@@ -355,8 +355,8 @@ static int zforce_touch_event(struct zforce_ts *ts, u8 *payload)
 		point.coord_y =
 			payload[9 * i + 4] << 8 | payload[9 * i + 3];
 
-		if (point.coord_x > pdata->x_max ||
-		    point.coord_y > pdata->y_max) {
+		if (point.coord_x > ts->prop.max_x ||
+		    point.coord_y > ts->prop.max_y) {
 			dev_warn(&client->dev, "coordinates (%d,%d) invalid\n",
 				point.coord_x, point.coord_y);
 			point.coord_x = point.coord_y = 0;
@@ -390,10 +390,9 @@ static int zforce_touch_event(struct zforce_ts *ts, u8 *payload)
 						point.state != STATE_UP);
 
 		if (point.state != STATE_UP) {
-			input_report_abs(ts->input, ABS_MT_POSITION_X,
-					 point.coord_x);
-			input_report_abs(ts->input, ABS_MT_POSITION_Y,
-					 point.coord_y);
+			touchscreen_report_pos(ts->input, &ts->prop,
+					       point.coord_x, point.coord_y,
+					       true);
 			input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR,
 					 point.area_major);
 			input_report_abs(ts->input, ABS_MT_TOUCH_MINOR,
@@ -719,15 +718,8 @@ static struct zforce_ts_platdata *zforce_parse_dt(struct device *dev)
 		return ERR_PTR(-ENOMEM);
 	}
 
-	if (of_property_read_u32(np, "x-size", &pdata->x_max)) {
-		dev_err(dev, "failed to get x-size property\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (of_property_read_u32(np, "y-size", &pdata->y_max)) {
-		dev_err(dev, "failed to get y-size property\n");
-		return ERR_PTR(-EINVAL);
-	}
+	of_property_read_u32(np, "x-size", &pdata->x_max);
+	of_property_read_u32(np, "y-size", &pdata->y_max);
 
 	return pdata;
 }
@@ -856,6 +848,12 @@ static int zforce_probe(struct i2c_client *client)
 	input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
 			     pdata->y_max, 0, 0);
 
+	touchscreen_parse_properties(input_dev, true, &ts->prop);
+	if (ts->prop.max_x == 0 || ts->prop.max_y == 0) {
+		dev_err(&client->dev, "no size specified\n");
+		return -EINVAL;
+	}
+
 	input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0,
 			     ZFORCE_MAX_AREA, 0, 0);
 	input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0,