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authorMauro Carvalho Chehab <mchehab@redhat.com>2010-10-03 05:27:59 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-12-29 08:16:28 -0200
commit68541cdaadecbc280cd50122f11fdbb249a2ae29 (patch)
treec82b6c50215e59559ed8d0daf454b8f68e46b7d1 /drivers/media/dvb
parent7572f9c5575c721f43b575a71fda1ecd896e0327 (diff)
[media] Add support for Kworld SBTVD board
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/frontends/mb86a20s.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/mb86a20s.c b/drivers/media/dvb/frontends/mb86a20s.c
index b4de8f12df27..d3ad3e75a35a 100644
--- a/drivers/media/dvb/frontends/mb86a20s.c
+++ b/drivers/media/dvb/frontends/mb86a20s.c
@@ -376,6 +376,9 @@ static int mb86a20s_initfe(struct dvb_frontend *fe)
dprintk("\n");
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
/* Initialize the frontend */
rc = mb86a20s_writeregdata(state, mb86a20s_init);
if (rc < 0)
@@ -392,6 +395,9 @@ static int mb86a20s_initfe(struct dvb_frontend *fe)
return rc;
}
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+
return 0;
}
@@ -403,6 +409,9 @@ static int mb86a20s_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
dprintk("\n");
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
/* Does a binary search to get RF strength */
rf_max = 0xfff;
rf_min = 0;
@@ -426,6 +435,9 @@ static int mb86a20s_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
dprintk("signal strength = %d\n", *strength);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+
return 0;
}
@@ -437,7 +449,11 @@ static int mb86a20s_read_status(struct dvb_frontend *fe, fe_status_t *status)
dprintk("\n");
*status = 0;
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
val = mb86a20s_readreg(state, 0x0a) & 0xf;
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
if (val >= 2)
*status |= FE_HAS_SIGNAL;
@@ -467,8 +483,15 @@ static int mb86a20s_set_frontend(struct dvb_frontend *fe,
dprintk("\n");
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
fe->ops.tuner_ops.set_params(fe, p);
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
rc = mb86a20s_writeregdata(state, mb86a20s_reset_reception);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
return rc;
}