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Diffstat (limited to 'drivers/media/common/ir-functions.c')
-rw-r--r--drivers/media/common/ir-functions.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/media/common/ir-functions.c b/drivers/media/common/ir-functions.c
index fcb19413562..e7c3ab951a4 100644
--- a/drivers/media/common/ir-functions.c
+++ b/drivers/media/common/ir-functions.c
@@ -21,7 +21,6 @@
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/string.h>
#include <linux/jiffies.h>
#include <media/ir-common.h>
@@ -107,21 +106,20 @@ void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
}
/* -------------------------------------------------------------------------- */
-
+/* extract mask bits out of data and pack them into the result */
u32 ir_extract_bits(u32 data, u32 mask)
{
- int mbit, vbit;
- u32 value;
+ u32 vbit = 1, value = 0;
+
+ do {
+ if (mask&1) {
+ if (data&1)
+ value |= vbit;
+ vbit<<=1;
+ }
+ data>>=1;
+ } while (mask>>=1);
- value = 0;
- vbit = 0;
- for (mbit = 0; mbit < 32; mbit++) {
- if (!(mask & ((u32)1 << mbit)))
- continue;
- if (data & ((u32)1 << mbit))
- value |= (1 << vbit);
- vbit++;
- }
return value;
}
@@ -346,8 +344,8 @@ void ir_rc5_timer_end(unsigned long data)
}
/* Set/reset key-up timer */
- timeout = current_jiffies + (500 + ir->rc5_key_timeout
- * HZ) / 1000;
+ timeout = current_jiffies +
+ msecs_to_jiffies(ir->rc5_key_timeout);
mod_timer(&ir->timer_keyup, timeout);
/* Save code for repeat test */