On read, the bit order is inverted. Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> --- drivers/media/tuners/r820t.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c index 48ff6bb..79ab2b7 100644 --- a/drivers/media/tuners/r820t.c +++ b/drivers/media/tuners/r820t.c @@ -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; } -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html