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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>
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@ -35,8 +35,10 @@
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#include <linux/videodev2.h>
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#include <linux/videodev2.h>
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#include <linux/mutex.h>
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#include <linux/mutex.h>
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#include <linux/slab.h>
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#include <linux/slab.h>
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#include "tuner-i2c.h"
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#include <linux/bitrev.h>
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#include <asm/div64.h>
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#include <asm/div64.h>
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#include "tuner-i2c.h"
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#include "r820t.h"
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#include "r820t.h"
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/*
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/*
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@ -414,7 +416,7 @@ static int r820t_write_reg_mask(struct r820t_priv *priv, u8 reg, u8 val,
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static int r820_read(struct r820t_priv *priv, u8 reg, u8 *val, int len)
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static int r820_read(struct r820t_priv *priv, u8 reg, u8 *val, int len)
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{
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{
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int rc;
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int rc, i;
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u8 *p = &priv->buf[1];
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u8 *p = &priv->buf[1];
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priv->buf[0] = reg;
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priv->buf[0] = reg;
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@ -431,7 +433,8 @@ static int r820_read(struct r820t_priv *priv, u8 reg, u8 *val, int len)
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__func__, reg, len, len, p);
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__func__, reg, len, len, p);
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/* Copy data to the output buffer */
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/* Copy data to the output buffer */
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memcpy(val, p, len);
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for (i = 0; i < len; i++)
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val[i] = bitrev8(p[i]);
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return 0;
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return 0;
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}
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}
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