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From 85e4af0a7ae2f146769b7475ae531bf8a3f3afb4 Mon Sep 17 00:00:00 2001
From: Matthias Reichl <hias@horus.com>
Date: Tue, 28 Aug 2018 09:49:42 -0400
Subject: [PATCH] media: rc: ir-rc6-decoder: enable toggle bit for Kathrein
 RCU-676 remote
Git-commit: 85e4af0a7ae2f146769b7475ae531bf8a3f3afb4
References: git-fixes
Patch-mainline: v4.20-rc1

The Kathrein RCU-676 remote uses the 32-bit rc6 protocol and toggles
bit 15 (0x8000) on repeated button presses, like MCE remotes.

Add it's customer code 0x80460000 to the 32-bit rc6 toggle
handling code to get proper scancodes and toggle reports.

Signed-off-by: Matthias Reichl <hias@horus.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>

---
 drivers/media/rc/ir-rc6-decoder.c |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- a/drivers/media/rc/ir-rc6-decoder.c
+++ b/drivers/media/rc/ir-rc6-decoder.c
@@ -40,6 +40,7 @@
 #define RC6_6A_MCE_TOGGLE_MASK	0x8000	/* for the body bits */
 #define RC6_6A_LCC_MASK		0xffff0000 /* RC6-6A-32 long customer code mask */
 #define RC6_6A_MCE_CC		0x800f0000 /* MCE customer code */
+#define RC6_6A_KATHREIN_CC	0x80460000 /* Kathrein RCU-676 customer code */
 #ifndef CHAR_BIT
 #define CHAR_BIT 8	/* Normally in <limits.h> */
 #endif
@@ -252,13 +253,17 @@ again:
 				toggle = 0;
 				break;
 			case 32:
-				if ((scancode & RC6_6A_LCC_MASK) == RC6_6A_MCE_CC) {
+				switch (scancode & RC6_6A_LCC_MASK) {
+				case RC6_6A_MCE_CC:
+				case RC6_6A_KATHREIN_CC:
 					protocol = RC_TYPE_RC6_MCE;
 					toggle = !!(scancode & RC6_6A_MCE_TOGGLE_MASK);
 					scancode &= ~RC6_6A_MCE_TOGGLE_MASK;
-				} else {
+					break;
+				default:
 					protocol = RC_TYPE_RC6_6A_32;
 					toggle = 0;
+					break;
 				}
 				break;
 			default: