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-rw-r--r--drivers/media/common/ir-common.c68
-rw-r--r--drivers/media/common/saa7146_fops.c1
-rw-r--r--drivers/media/common/saa7146_i2c.c10
3 files changed, 69 insertions, 10 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_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 781f23f0cbc..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)
@@ -387,8 +386,6 @@ static int saa7146_i2c_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, in
/* exported algorithm data */
static struct i2c_algorithm saa7146_algo = {
- .name = "saa7146 i2c algorithm",
- .id = I2C_ALGO_SAA7146,
.master_xfer = saa7146_i2c_xfer,
.functionality = saa7146_i2c_func,
};
@@ -404,15 +401,12 @@ 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_ALGO_SAA7146;
+ i2c_adapter->id = I2C_HW_SAA7146;
i2c_adapter->timeout = SAA7146_I2C_TIMEOUT;
i2c_adapter->retries = SAA7146_I2C_RETRIES;
}