X-Git-Url: http://git.agner.ch/gitweb/?a=blobdiff_plain;f=drivers%2Fmedia%2Frc%2Figuanair.c;h=fdae05c4f3775d7f54050c8776f0b882ac2fe630;hb=3ea369eea07eb64adf36a6fb7fddb5d082c84143;hp=b53626ba6f4954bf1bbe4e7caf954f2f597247d6;hpb=0bde7294e2ada03d0f1cc61cec51274081d9a9cf;p=linux-drm-fsl-dcu.git

diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c
index b53626ba6f49..fdae05c4f377 100644
--- a/drivers/media/rc/iguanair.c
+++ b/drivers/media/rc/iguanair.c
@@ -308,22 +308,12 @@ static int iguanair_set_tx_carrier(struct rc_dev *dev, uint32_t carrier)
 		cycles = DIV_ROUND_CLOSEST(24000000, carrier * 2) -
 							ir->cycle_overhead;
 
-		/*  make up the the remainer of 4-cycle blocks */
-		switch (cycles & 3) {
-		case 0:
-			sevens = 0;
-			break;
-		case 1:
-			sevens = 3;
-			break;
-		case 2:
-			sevens = 2;
-			break;
-		case 3:
-			sevens = 1;
-			break;
-		}
-
+		/*
+		 * Calculate minimum number of 7 cycles needed so
+		 * we are left with a multiple of 4; so we want to have
+		 * (sevens * 7) & 3 == cycles & 3
+		 */
+		sevens = (4 - cycles) & 3;
 		fours = (cycles - sevens * 7) / 4;
 
 		/* magic happens here */