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media: rc: ir-rc6-decoder: enable toggle bit for Zotac remotes

Message ID 20190207092912.5444-1-hias@horus.com (mailing list archive)
State New, archived
Headers show
Series media: rc: ir-rc6-decoder: enable toggle bit for Zotac remotes | expand

Commit Message

Matthias Reichl Feb. 7, 2019, 9:29 a.m. UTC 
The Zotac RC2604323/01G and RC2604329/02BG remotes use the 32-bit
rc6 protocol and toggle bit 15 (0x8000) on repeated button presses,
like MCE remotes.

Add the customer code 0x80340000 to the 32-bit rc6 toggle
handling code to get proper scancodes and toggle reports.

Signed-off-by: Matthias Reichl <hias@horus.com>
---
LibreELEC bug report and more info are here:
https://forum.libreelec.tv/thread/14388-ir-remote-malfunction-after-upgrade-to-le-9-0/
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Patch

diff --git a/drivers/media/rc/ir-rc6-decoder.c b/drivers/media/rc/ir-rc6-decoder.c
index d96aed1343e4..5cc302fa4daa 100644
--- 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_ZOTAC_CC		0x80340000 /* Zotac customer code */
 #define RC6_6A_KATHREIN_CC	0x80460000 /* Kathrein RCU-676 customer code */
 #ifndef CHAR_BIT
 #define CHAR_BIT 8	/* Normally in <limits.h> */
@@ -246,6 +247,7 @@  static int ir_rc6_decode(struct rc_dev *dev, struct ir_raw_event ev)
 				switch (scancode & RC6_6A_LCC_MASK) {
 				case RC6_6A_MCE_CC:
 				case RC6_6A_KATHREIN_CC:
+				case RC6_6A_ZOTAC_CC:
 					protocol = RC_PROTO_RC6_MCE;
 					toggle = !!(scancode & RC6_6A_MCE_TOGGLE_MASK);
 					scancode &= ~RC6_6A_MCE_TOGGLE_MASK;