Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index de10367..e780969 100644
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * adv7180.c Analog Devices ADV7180 video decoder driver
  * Copyright (c) 2009 Intel Corporation
  * Copyright (C) 2013 Cogent Embedded, Inc.
  * Copyright (C) 2013 Renesas Solutions Corp.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/errno.h>
@@ -189,6 +180,9 @@
 
 #define V4L2_CID_ADV_FAST_SWITCH	(V4L2_CID_USER_ADV7180_BASE + 0x00)
 
+/* Initial number of frames to skip to avoid possible garbage */
+#define ADV7180_NUM_OF_SKIP_FRAMES       2
+
 struct adv7180_state;
 
 #define ADV7180_FLAG_RESET_POWERED	BIT(0)
@@ -761,7 +755,7 @@
 	struct adv7180_state *state = to_state(sd);
 
 	if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
-		cfg->type = V4L2_MBUS_CSI2;
+		cfg->type = V4L2_MBUS_CSI2_DPHY;
 		cfg->flags = V4L2_MBUS_CSI2_1_LANE |
 				V4L2_MBUS_CSI2_CHANNEL_0 |
 				V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
@@ -778,6 +772,13 @@
 	return 0;
 }
 
+static int adv7180_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
+{
+	*frames = ADV7180_NUM_OF_SKIP_FRAMES;
+
+	return 0;
+}
+
 static int adv7180_g_pixelaspect(struct v4l2_subdev *sd, struct v4l2_fract *aspect)
 {
 	struct adv7180_state *state = to_state(sd);
@@ -858,10 +859,15 @@
 	.get_fmt = adv7180_get_pad_format,
 };
 
+static const struct v4l2_subdev_sensor_ops adv7180_sensor_ops = {
+	.g_skip_frames = adv7180_get_skip_frames,
+};
+
 static const struct v4l2_subdev_ops adv7180_ops = {
 	.core = &adv7180_core_ops,
 	.video = &adv7180_video_ops,
 	.pad = &adv7180_pad_ops,
+	.sensor = &adv7180_sensor_ops,
 };
 
 static irqreturn_t adv7180_irq(int irq, void *devid)
@@ -1323,17 +1329,17 @@
 	}
 
 	if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
-		state->csi_client = i2c_new_dummy(client->adapter,
+		state->csi_client = i2c_new_dummy_device(client->adapter,
 				ADV7180_DEFAULT_CSI_I2C_ADDR);
-		if (!state->csi_client)
-			return -ENOMEM;
+		if (IS_ERR(state->csi_client))
+			return PTR_ERR(state->csi_client);
 	}
 
 	if (state->chip_info->flags & ADV7180_FLAG_I2P) {
-		state->vpp_client = i2c_new_dummy(client->adapter,
+		state->vpp_client = i2c_new_dummy_device(client->adapter,
 				ADV7180_DEFAULT_VPP_I2C_ADDR);
-		if (!state->vpp_client) {
-			ret = -ENOMEM;
+		if (IS_ERR(state->vpp_client)) {
+			ret = PTR_ERR(state->vpp_client);
 			goto err_unregister_csi_client;
 		}
 	}