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| author | Antti Palosaari <crope@iki.fi> | 2007-02-10 14:19:08 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-02-21 16:35:21 +0100 |
| commit | 0a11bb865a88a7459855ab46f74091e6ca4a1a20 (patch) | |
| tree | 426fdd77a892ab5f001caaf6204c7ab3ac225bbd /drivers/media/dvb/frontends/zl10353.c | |
| parent | V4L/DVB (5215): Experimental support for signal strength/BER/uncorrectable count (diff) | |
| download | linux-0a11bb865a88a7459855ab46f74091e6ca4a1a20.tar.xz linux-0a11bb865a88a7459855ab46f74091e6ca4a1a20.zip | |
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>
Diffstat (limited to 'drivers/media/dvb/frontends/zl10353.c')
| -rw-r--r-- | drivers/media/dvb/frontends/zl10353.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c index 0d8241de89ee..50dac2054353 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, |