Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c
index 0b0f748..9593a9a 100644
--- a/sound/soc/codecs/rt286.c
+++ b/sound/soc/codecs/rt286.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * rt286.c  --  RT286 ALSA SoC audio codec driver
  *
  * Copyright 2013 Realtek Semiconductor Corp.
  * Author: Bard Liao <bardliao@realtek.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/module.h>
@@ -296,10 +293,10 @@
 
 	rt286_jack_detect(rt286, &hp, &mic);
 
-	if (hp == true)
+	if (hp)
 		status |= SND_JACK_HEADPHONE;
 
-	if (mic == true)
+	if (mic)
 		status |= SND_JACK_MICROPHONE;
 
 	snd_soc_jack_report(rt286->jack, status,
@@ -924,10 +921,10 @@
 	/* Clear IRQ */
 	regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1);
 
-	if (hp == true)
+	if (hp)
 		status |= SND_JACK_HEADPHONE;
 
-	if (mic == true)
+	if (mic)
 		status |= SND_JACK_MICROPHONE;
 
 	snd_soc_jack_report(rt286->jack, status,