4 files changed, 70 insertions, 11 deletions

diff --git a/drivers/media/common/ir-common.c b/drivers/media/common/ir-common.c
index ab7a1fba442..a0e700d7a4a 100644
--- a/drivers/media/common/ir-common.c
+++ b/drivers/media/common/ir-common.c
@@ -1,5 +1,4 @@
 /*
- * $Id: ir-common.c,v 1.11 2005/07/07 14:44:43 mchehab Exp $
  *
  * some common structs and functions to handle infrared remotes via
  * input layer ...
@@ -335,6 +334,72 @@ int ir_dump_samples(u32 *samples, int count)
 	return 0;
 }
 
+/* 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;
+}
+
 /* decode raw samples, biphase coding, used by rc5 for example */
 int ir_decode_biphase(u32 *samples, int count, int low, int high)
 {
@@ -383,6 +448,7 @@ EXPORT_SYMBOL_GPL(ir_input_keydown);
 EXPORT_SYMBOL_GPL(ir_extract_bits);
 EXPORT_SYMBOL_GPL(ir_dump_samples);
 EXPORT_SYMBOL_GPL(ir_decode_biphase);
+EXPORT_SYMBOL_GPL(ir_decode_pulsedistance);
 
 /*
  * Local variables:
diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c
index cd5828b5e9e..206cc2f61f2 100644
--- a/drivers/media/common/saa7146_core.c
+++ b/drivers/media/common/saa7146_core.c
@@ -168,10 +168,8 @@ void saa7146_pgtable_free(struct pci_dev *pci, struct saa7146_pgtable *pt)
 		return;
 	pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
 	pt->cpu = NULL;
-	if (NULL != pt->slist) {
-		kfree(pt->slist);
-		pt->slist = NULL;
-	}
+	kfree(pt->slist);
+	pt->slist = NULL;
 }
 
 int saa7146_pgtable_alloc(struct pci_dev *pci, struct saa7146_pgtable *pt)
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index c04fd11526e..37888989ea2 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -1,5 +1,4 @@
 #include <media/saa7146_vv.h>
-#include <linux/version.h>
 
 #define BOARD_CAN_DO_VBI(dev)   (dev->revision != 0 && dev->vv_data->vbi_minor != -1) 
 
diff --git a/drivers/media/common/saa7146_i2c.c b/drivers/media/common/saa7146_i2c.c
index 6284894505c..fec6beab8c2 100644
--- a/drivers/media/common/saa7146_i2c.c
+++ b/drivers/media/common/saa7146_i2c.c
@@ -1,4 +1,3 @@
-#include <linux/version.h>
 #include <media/saa7146_vv.h>
 
 static u32 saa7146_i2c_func(struct i2c_adapter *adapter)
@@ -402,12 +401,9 @@ int saa7146_i2c_adapter_prepare(struct saa7146_dev *dev, struct i2c_adapter *i2c
 	saa7146_i2c_reset(dev);
 
 	if( NULL != i2c_adapter ) {
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-		i2c_adapter->data = dev;
-#else
 		BUG_ON(!i2c_adapter->class);
 		i2c_set_adapdata(i2c_adapter,dev);
-#endif
+		i2c_adapter->dev.parent    = &dev->pci->dev;
 		i2c_adapter->algo	   = &saa7146_algo;
 		i2c_adapter->algo_data     = NULL;
 		i2c_adapter->id		   = I2C_HW_SAA7146;