V4L/DVB (9457): Optimization, Fix a Bug

* cut down some I/O operations by disabling "disable gate"
* budget_av was left with the gate open, thereby more susceptible
to RF interference due to I/O operations

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 8 deletions

diff --git a/drivers/media/dvb/frontends/tda8261.c b/drivers/media/dvb/frontends/tda8261.c
index 16e833fdc77e..b6d177799104 100644
--- a/drivers/media/dvb/frontends/tda8261.c
+++ b/drivers/media/dvb/frontends/tda8261.c
@@ -37,14 +37,10 @@ struct tda8261_state {
 
 static int tda8261_read(struct tda8261_state *state, u8 *buf)
 {
-        struct dvb_frontend *fe = state->fe;
         const struct tda8261_config *config = state->config;
         int err = 0;
         struct i2c_msg msg = { .addr    = config->addr, .flags = I2C_M_RD,.buf = buf,  .len = 2 };
 
-        if (fe->ops.i2c_gate_ctrl)
-                fe->ops.i2c_gate_ctrl(fe, 1);
-
         if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1)
                 printk("%s: read error, err=%d\n", __func__, err);
 
@@ -53,14 +49,10 @@ static int tda8261_read(struct tda8261_state *state, u8 *buf)
 
 static int tda8261_write(struct tda8261_state *state, u8 *buf)
 {
-        struct dvb_frontend *fe = state->fe;
         const struct tda8261_config *config = state->config;
         int err = 0;
         struct i2c_msg msg = { .addr = config->addr, .flags = 0, .buf = buf, .len = 4 };
 
-        if (fe->ops.i2c_gate_ctrl)
-                fe->ops.i2c_gate_ctrl(fe, 1);
-
         if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1)
                 printk("%s: write error, err=%d\n", __func__, err);