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V4L/DVB (5216): Zl10353: add i2c_gate_ctrl support 

Implement I2C gate control for Megasky GL861 and SigmaTek AU6610 support.

Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Antti Palosaari 2007-02-10 10:19:08 -03:00 committed by Mauro Carvalho Chehab
parent 67b60aad16
commit 0a11bb865a
1 changed files with 15 additions and 2 deletions
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17
drivers/media/dvb/frontends/zl10353.c
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@ -142,14 +142,16 @@ static int zl10353_set_parameters(struct dvb_frontend *fe,
zl10353_single_write(fe, 0x66, 0xE9);
zl10353_single_write(fe, 0x6C, 0xCD);
zl10353_single_write(fe, 0x6D, 0x7E);
zl10353_single_write(fe, 0x62, 0x0A);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
// if there is no attached secondary tuner, we call set_params to program
// a potential tuner attached somewhere else
if (state->config.no_tuner) {
if (fe->ops.tuner_ops.set_params) {
fe->ops.tuner_ops.set_params(fe, param);
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
}
}
@ -294,6 +296,16 @@ static int zl10353_init(struct dvb_frontend *fe)
return 0;
}
static int zl10353_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
u8 val = 0x0a;
if (enable)
val |= 0x10;
return zl10353_single_write(fe, 0x62, val);
}
static void zl10353_release(struct dvb_frontend *fe)
{
struct zl10353_state *state = fe->demodulator_priv;
@ -352,6 +364,7 @@ static struct dvb_frontend_ops zl10353_ops = {
.init = zl10353_init,
.sleep = zl10353_sleep,
.i2c_gate_ctrl = zl10353_i2c_gate_ctrl,
.write = zl10353_write,
.set_frontend = zl10353_set_parameters,