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[media] r820t: Invert bits for read ops 

On read, the bit order is inverted.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
This commit is contained in:
Mauro Carvalho Chehab 2013-04-10 07:08:17 -03:00
parent 884655ad2e
commit 103fe2fb23
1 changed files with 6 additions and 3 deletions
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9
drivers/media/tuners/r820t.c
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@ -35,8 +35,10 @@
#include <linux/videodev2.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include "tuner-i2c.h"
#include <linux/bitrev.h>
#include <asm/div64.h>
#include "tuner-i2c.h"
#include "r820t.h"
/*
@ -414,7 +416,7 @@ static int r820t_write_reg_mask(struct r820t_priv *priv, u8 reg, u8 val,
static int r820_read(struct r820t_priv *priv, u8 reg, u8 *val, int len)
{
int rc;
int rc, i;
u8 *p = &priv->buf[1];
priv->buf[0] = reg;
@ -431,7 +433,8 @@ static int r820_read(struct r820t_priv *priv, u8 reg, u8 *val, int len)
__func__, reg, len, len, p);
/* Copy data to the output buffer */
memcpy(val, p, len);
for (i = 0; i < len; i++)
val[i] = bitrev8(p[i]);
return 0;
}