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-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 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,
142 zl10353_single_write(fe, 0x66, 0xE9); 142 zl10353_single_write(fe, 0x66, 0xE9);
143 zl10353_single_write(fe, 0x6C, 0xCD); 143 zl10353_single_write(fe, 0x6C, 0xCD);
144 zl10353_single_write(fe, 0x6D, 0x7E); 144 zl10353_single_write(fe, 0x6D, 0x7E);
145 zl10353_single_write(fe, 0x62, 0x0A); 145 if (fe->ops.i2c_gate_ctrl)
146 fe->ops.i2c_gate_ctrl(fe, 0);
146 147
147 // if there is no attached secondary tuner, we call set_params to program 148 // if there is no attached secondary tuner, we call set_params to program
148 // a potential tuner attached somewhere else 149 // a potential tuner attached somewhere else
149 if (state->config.no_tuner) { 150 if (state->config.no_tuner) {
150 if (fe->ops.tuner_ops.set_params) { 151 if (fe->ops.tuner_ops.set_params) {
151 fe->ops.tuner_ops.set_params(fe, param); 152 fe->ops.tuner_ops.set_params(fe, param);
152 if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); 153 if (fe->ops.i2c_gate_ctrl)
154 fe->ops.i2c_gate_ctrl(fe, 0);
153 } 155 }
154 } 156 }
155 157
@@ -294,6 +296,16 @@ static int zl10353_init(struct dvb_frontend *fe)
294 return 0; 296 return 0;
295} 297}
296 298
299static int zl10353_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
300{
301 u8 val = 0x0a;
302
303 if (enable)
304 val |= 0x10;
305
306 return zl10353_single_write(fe, 0x62, val);
307}
308
297static void zl10353_release(struct dvb_frontend *fe) 309static void zl10353_release(struct dvb_frontend *fe)
298{ 310{
299 struct zl10353_state *state = fe->demodulator_priv; 311 struct zl10353_state *state = fe->demodulator_priv;
@@ -352,6 +364,7 @@ static struct dvb_frontend_ops zl10353_ops = {
352 364
353 .init = zl10353_init, 365 .init = zl10353_init,
354 .sleep = zl10353_sleep, 366 .sleep = zl10353_sleep,
367 .i2c_gate_ctrl = zl10353_i2c_gate_ctrl,
355 .write = zl10353_write, 368 .write = zl10353_write,
356 369
357 .set_frontend = zl10353_set_parameters, 370 .set_frontend = zl10353_set_parameters,