On Sat, May 14, 2016 at 06:01:26PM +0100, Jonathan McDowell wrote: >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). > >Signed-off-by: Jonathan McDowell <noodles@xxxxxxxx> Signed-off-by: David Härdeman <david@xxxxxxxxxxx> >Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=117221 >Cc: stable@xxxxxxxxxxxxxxx > >----- >diff --git a/drivers/media/rc/ir-rc5-decoder.c b/drivers/media/rc/ir-rc5-decoder.c >index 6ffe776..a0fd4e6 100644 >--- 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, >----- > >J. > >-- >What did the first punk rock girl wear to your school? > -- David Härdeman -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
