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Merge branch 'topic/kbuild-fixes-for-next' of git://git.kernel.org/pub/scm/linux...
[linux-drm-fsl-dcu.git]
/
drivers
/
media
/
rc
/
iguanair.c
diff --git
a/drivers/media/rc/iguanair.c
b/drivers/media/rc/iguanair.c
index b53626ba6f4954bf1bbe4e7caf954f2f597247d6..fdae05c4f3775d7f54050c8776f0b882ac2fe630 100644
(file)
--- 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;
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 */
fours = (cycles - sevens * 7) / 4;
/* magic happens here */