V4L/DVB (3935): Add missing pll gate control calls

I'd missed some of these out, breaking the av7110 tuning. I then checked for
more and added them in where necessary. They may not actually be necessary
in all these locations, but if not, they'll simply have no effect.
Add small delay to stv0299 pll gate control to fix tuning problems.

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

4 files changed, 12 insertions, 2 deletions

diff --git a/drivers/media/dvb/frontends/bsbe1.h b/drivers/media/dvb/frontends/bsbe1.h
index 6b52d5abf19f..b2aeddb14e16 100644
--- a/drivers/media/dvb/frontends/bsbe1.h
+++ b/drivers/media/dvb/frontends/bsbe1.h
@@ -106,6 +106,8 @@ static int alps_bsbe1_tuner_set_params(struct dvb_frontend* fe, struct dvb_front
         data[2] = 0x80 | ((div & 0x18000) >> 10) | 4;
         data[3] = (params->frequency > 1530000) ? 0xE0 : 0xE4;
 
+        if (fe->ops->i2c_gate_ctrl)
+                fe->ops->i2c_gate_ctrl(fe, 1);
         ret = i2c_transfer(i2c, &msg, 1);
         return (ret != 1) ? -EIO : 0;
 }
diff --git a/drivers/media/dvb/frontends/bsru6.h b/drivers/media/dvb/frontends/bsru6.h
index 5d13c5e4df64..5533512b04c6 100644
--- a/drivers/media/dvb/frontends/bsru6.h
+++ b/drivers/media/dvb/frontends/bsru6.h
@@ -120,6 +120,8 @@ static int alps_bsru6_tuner_set_params(struct dvb_frontend *fe, struct dvb_front
         if (params->frequency > 1530000)
                 buf[3] = 0xc0;
 
+        if (fe->ops->i2c_gate_ctrl)
+                fe->ops->i2c_gate_ctrl(fe, 1);
         if (i2c_transfer(i2c, &msg, 1) != 1)
                 return -EIO;
         return 0;
diff --git a/drivers/media/dvb/frontends/lg_h06xf.h b/drivers/media/dvb/frontends/lg_h06xf.h
index d8449f8cff71..c59fe4180522 100644
--- a/drivers/media/dvb/frontends/lg_h06xf.h
+++ b/drivers/media/dvb/frontends/lg_h06xf.h
@@ -29,6 +29,8 @@ static int lg_h06xf_pll_set(struct dvb_frontend* fe, struct i2c_adapter* i2c_ada
         int err;
 
         dvb_pll_configure(&dvb_pll_lg_tdvs_h06xf, buf, params->frequency, 0);
+        if (fe->ops->i2c_gate_ctrl)
+                fe->ops->i2c_gate_ctrl(fe, 1);
         if ((err = i2c_transfer(i2c_adap, &msg, 1)) != 1) {
                 printk(KERN_WARNING "lg_h06xf: %s error "
                         "(addr %02x <- %02x, err = %i)\n",
@@ -45,6 +47,8 @@ static int lg_h06xf_pll_set(struct dvb_frontend* fe, struct i2c_adapter* i2c_ada
         buf[0] |= 0x18;
         buf[1] = 0x50;
         msg.len = 2;
+        if (fe->ops->i2c_gate_ctrl)
+                fe->ops->i2c_gate_ctrl(fe, 1);
         if ((err = i2c_transfer(i2c_adap, &msg, 1)) != 1) {
                 printk(KERN_WARNING "lg_h06xf: %s error "
                         "(addr %02x <- %02x, err = %i)\n",
diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c
index 5a81310235a4..e91bb5842dc4 100644
--- a/drivers/media/dvb/frontends/stv0299.c
+++ b/drivers/media/dvb/frontends/stv0299.c
@@ -604,10 +604,12 @@ static int stv0299_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
         struct stv0299_state* state = fe->demodulator_priv;
 
         if (enable) {
-                return stv0299_writeregI(state, 0x05, 0xb5);
+                stv0299_writeregI(state, 0x05, 0xb5);
         } else {
-                return stv0299_writeregI(state, 0x05, 0x35);
+                stv0299_writeregI(state, 0x05, 0x35);
         }
+        udelay(1);
+        return 0;
 }
 
 static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)