This is a note to let you know that I've just added the patch titled
[media] Fix RC5 decoding with Fintek CIR chipset
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fix-rc5-decoding-with-fintek-cir-chipset.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From bbdb34c90aeb8b2253eae88029788ebe1d7f2fd4 Mon Sep 17 00:00:00 2001
From: Jonathan McDowell <noodles@xxxxxxxx>
Date: Sat, 14 May 2016 14:01:26 -0300
Subject: [media] Fix RC5 decoding with Fintek CIR chipset
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From: Jonathan McDowell <noodles@xxxxxxxx>
commit bbdb34c90aeb8b2253eae88029788ebe1d7f2fd4 upstream.
Fix RC5 decoding with Fintek CIR chipset
Commit e87b540be2dd02552fb9244d50ae8b4e4619a34b tightened up the RC5
decoding by adding a check for trailing silence to ensure a valid RC5
command had been received. Unfortunately the trailer length checked was
10 units and the Fintek CIR device does not want to provide details of a
space longer than 6350us. This meant that RC5 remotes working on a
Fintek setup on 3.16 failed on 3.17 and later. Fix this by shortening
the trailer check to 6 units (allowing for a previous space in the
received remote command).
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=117221
Signed-off-by: Jonathan McDowell <noodles@xxxxxxxx>
Signed-off-by: David Härdeman <david@xxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/rc/ir-rc5-decoder.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/media/rc/ir-rc5-decoder.c
+++ b/drivers/media/rc/ir-rc5-decoder.c
@@ -29,7 +29,7 @@
#define RC5_BIT_START (1 * RC5_UNIT)
#define RC5_BIT_END (1 * RC5_UNIT)
#define RC5X_SPACE (4 * RC5_UNIT)
-#define RC5_TRAILER (10 * RC5_UNIT) /* In reality, approx 100 */
+#define RC5_TRAILER (6 * RC5_UNIT) /* In reality, approx 100 */
enum rc5_state {
STATE_INACTIVE,
Patches currently in stable-queue which might be from noodles@xxxxxxxx are
queue-4.4/fix-rc5-decoding-with-fintek-cir-chipset.patch
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