From 0a11bb865a88a7459855ab46f74091e6ca4a1a20 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sat, 10 Feb 2007 10:19:08 -0300 Subject: 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 Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/zl10353.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c index 0d8241de89e..50dac205435 100644 --- a/drivers/media/dvb/frontends/zl10353.c +++ b/drivers/media/dvb/frontends/zl10353.c @@ -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, -- cgit v1.2.3-70-g09d2