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authorAntti Palosaari <crope@iki.fi>2007-02-10 10:19:08 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-02-21 13:35:21 -0200
commit0a11bb865a88a7459855ab46f74091e6ca4a1a20 (patch)
tree426fdd77a892ab5f001caaf6204c7ab3ac225bbd /drivers/media
parent67b60aad168cfdd40ffec12f14b93e2e68f7d486 (diff)
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')
-rw-r--r--drivers/media/dvb/frontends/zl10353.c17
1 files changed, 15 insertions, 2 deletions
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,