tda1997x: get rid of an unused var

1 warning regressions:
  + drivers/media/i2c/tda1997x.c: warning: variable 'last_irq_status' set but not used [-Wunused-but-set-variable]:  => 1421:17

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c
index a480aafecbf66bd971bb143dfcba33b644be42b8..3021913c28fa3ca3001820f176adcd003b1864c8 100644 (file)
--- a/drivers/media/i2c/tda1997x.c
+++ b/drivers/media/i2c/tda1997x.c
@@ -1418,13 +1418,13 @@ static void tda1997x_irq_rate(struct tda1997x_state *state, u8 *flags)
        struct v4l2_subdev *sd = &state->sd;
        u8 reg, source;
 
-       u8 irq_status, last_irq_status;
+       u8 irq_status;
 
        source = io_read(sd, REG_INT_FLG_CLR_RATE);
        io_write(sd, REG_INT_FLG_CLR_RATE, source);
 
        /* read status regs */
-       last_irq_status = irq_status = tda1997x_read_activity_status_regs(sd);
+       irq_status = tda1997x_read_activity_status_regs(sd);
 
        /*
         * read clock status reg until INT_FLG_CLR_RATE is still 0