diff options
| author | Manu Abraham <abraham.manu@gmail.com> | 2008-02-03 19:37:02 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-29 17:53:23 -0200 |
| commit | 40e8ce3dba8e9437ed48c88c268615dc0a4bebb2 (patch) | |
| tree | b5588068dfd4ff2e7a16c420f98110a5be6ce711 /drivers/media/dvb/frontends/tda8261.c | |
| parent | ed3d150eacfa87087f705a908a2586bdec5bf9b7 (diff) | |
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>
Diffstat (limited to 'drivers/media/dvb/frontends/tda8261.c')
| -rw-r--r-- | drivers/media/dvb/frontends/tda8261.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/media/dvb/frontends/tda8261.c b/drivers/media/dvb/frontends/tda8261.c index 16e833fdc77..b6d17779910 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); |