Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/soc/codecs/cs42l51-i2c.c b/sound/soc/codecs/cs42l51-i2c.c
index 4b5731a..70260e0 100644
--- a/sound/soc/codecs/cs42l51-i2c.c
+++ b/sound/soc/codecs/cs42l51-i2c.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * cs42l56.c -- CS42L51 ALSA SoC I2C audio driver
  *
  * Copyright 2014 CirrusLogic, Inc.
  *
  * Author: Brian Austin <brian.austin@cirrus.com>
- *
- * 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.
- *
  */
 
 #include <linux/i2c.h>
@@ -29,18 +25,27 @@
 	struct regmap_config config;
 
 	config = cs42l51_regmap;
-	config.val_bits = 8;
-	config.reg_bits = 8;
 
 	return cs42l51_probe(&i2c->dev, devm_regmap_init_i2c(i2c, &config));
 }
 
+static int cs42l51_i2c_remove(struct i2c_client *i2c)
+{
+	return cs42l51_remove(&i2c->dev);
+}
+
+static const struct dev_pm_ops cs42l51_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(cs42l51_suspend, cs42l51_resume)
+};
+
 static struct i2c_driver cs42l51_i2c_driver = {
 	.driver = {
 		.name = "cs42l51",
 		.of_match_table = cs42l51_of_match,
+		.pm = &cs42l51_pm_ops,
 	},
 	.probe = cs42l51_i2c_probe,
+	.remove = cs42l51_i2c_remove,
 	.id_table = cs42l51_i2c_id,
 };