[media] ir-core: convert drivers/media/video/cx88 to ir-core

[pandora-kernel.git] / drivers / media / IR / ir-functions.c

diff --git a/drivers/media/IR/ir-functions.c b/drivers/media/IR/ir-functions.c
index db591e4..f4c4115 100644 (file)
--- a/drivers/media/IR/ir-functions.c
+++ b/drivers/media/IR/ir-functions.c
@@ -111,140 +111,6 @@ u32 ir_extract_bits(u32 data, u32 mask)
 }
 EXPORT_SYMBOL_GPL(ir_extract_bits);
 
-static int inline getbit(u32 *samples, int bit)
-{
-       return (samples[bit/32] & (1 << (31-(bit%32)))) ? 1 : 0;
-}
-
-/* sump raw samples for visual debugging ;) */
-int ir_dump_samples(u32 *samples, int count)
-{
-       int i, bit, start;
-
-       printk(KERN_DEBUG "ir samples: ");
-       start = 0;
-       for (i = 0; i < count * 32; i++) {
-               bit = getbit(samples,i);
-               if (bit)
-                       start = 1;
-               if (0 == start)
-                       continue;
-               printk("%s", bit ? "#" : "_");
-       }
-       printk("\n");
-       return 0;
-}
-EXPORT_SYMBOL_GPL(ir_dump_samples);
-
-/* decode raw samples, pulse distance coding used by NEC remotes */
-int ir_decode_pulsedistance(u32 *samples, int count, int low, int high)
-{
-       int i,last,bit,len;
-       u32 curBit;
-       u32 value;
-
-       /* find start burst */
-       for (i = len = 0; i < count * 32; i++) {
-               bit = getbit(samples,i);
-               if (bit) {
-                       len++;
-               } else {
-                       if (len >= 29)
-                               break;
-                       len = 0;
-               }
-       }
-
-       /* start burst to short */
-       if (len < 29)
-               return 0xffffffff;
-
-       /* find start silence */
-       for (len = 0; i < count * 32; i++) {
-               bit = getbit(samples,i);
-               if (bit) {
-                       break;
-               } else {
-                       len++;
-               }
-       }
-
-       /* silence to short */
-       if (len < 7)
-               return 0xffffffff;
-
-       /* go decoding */
-       len   = 0;
-       last = 1;
-       value = 0; curBit = 1;
-       for (; i < count * 32; i++) {
-               bit  = getbit(samples,i);
-               if (last) {
-                       if(bit) {
-                               continue;
-                       } else {
-                               len = 1;
-                       }
-               } else {
-                       if (bit) {
-                               if (len > (low + high) /2)
-                                       value |= curBit;
-                               curBit <<= 1;
-                               if (curBit == 1)
-                                       break;
-                       } else {
-                               len++;
-                       }
-               }
-               last = bit;
-       }
-
-       return value;
-}
-EXPORT_SYMBOL_GPL(ir_decode_pulsedistance);
-
-/* decode raw samples, biphase coding, used by rc5 for example */
-int ir_decode_biphase(u32 *samples, int count, int low, int high)
-{
-       int i,last,bit,len,flips;
-       u32 value;
-
-       /* find start bit (1) */
-       for (i = 0; i < 32; i++) {
-               bit = getbit(samples,i);
-               if (bit)
-                       break;
-       }
-
-       /* go decoding */
-       len   = 0;
-       flips = 0;
-       value = 1;
-       for (; i < count * 32; i++) {
-               if (len > high)
-                       break;
-               if (flips > 1)
-                       break;
-               last = bit;
-               bit  = getbit(samples,i);
-               if (last == bit) {
-                       len++;
-                       continue;
-               }
-               if (len < low) {
-                       len++;
-                       flips++;
-                       continue;
-               }
-               value <<= 1;
-               value |= bit;
-               flips = 0;
-               len   = 1;
-       }
-       return value;
-}
-EXPORT_SYMBOL_GPL(ir_decode_biphase);
-
 /* RC5 decoding stuff, moved from bttv-input.c to share it with
  * saa7134 */