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authorAndreas Regel <andreas.regel@gmx.de>2010-02-13 16:48:07 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-05-18 00:46:49 -0300
commit5817ea0c83665dbc117cb7ca637202da0fb1abce (patch)
treedbd3d47d177cdab1c3d8e51e36974415b3baa921 /drivers/media/dvb
parent85532d1454dd3df7327d12bf6ca7ef5a00bb1282 (diff)
V4L/DVB: Budget/STV090x/STV6110x: Initialize the demodulator immediately after the tuner is attached
Signed-off-by: Andreas Regel <andreas.regel@gmx.de> Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/frontends/stv090x.c14
-rw-r--r--drivers/media/dvb/frontends/stv6110x.c20
-rw-r--r--drivers/media/dvb/ttpci/budget.c6
3 files changed, 20 insertions, 20 deletions
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index 3cc1be28534..a461fdff2c9 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -4324,6 +4324,20 @@ static int stv090x_init(struct dvb_frontend *fe)
u32 reg;
if (state->internal->mclk == 0) {
+ /* call tuner init to configure the tuner's clock output
+ divider directly before setting up the master clock of
+ the stv090x. */
+ if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+ goto err;
+
+ if (config->tuner_init) {
+ if (config->tuner_init(fe) < 0)
+ goto err_gateoff;
+ }
+
+ if (stv090x_i2c_gate_ctrl(state, 0) < 0)
+ goto err;
+
stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
msleep(5);
if (stv090x_write_reg(state, STV090x_SYNTCTRL,
diff --git a/drivers/media/dvb/frontends/stv6110x.c b/drivers/media/dvb/frontends/stv6110x.c
index c1ddb83e634..2f9cd244134 100644
--- a/drivers/media/dvb/frontends/stv6110x.c
+++ b/drivers/media/dvb/frontends/stv6110x.c
@@ -361,7 +361,6 @@ struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
{
struct stv6110x_state *stv6110x;
u8 default_regs[] = {0x07, 0x11, 0xdc, 0x85, 0x17, 0x01, 0xe6, 0x1e};
- int ret;
stv6110x = kzalloc(sizeof (struct stv6110x_state), GFP_KERNEL);
if (stv6110x == NULL)
@@ -390,25 +389,6 @@ struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
break;
}
- if (fe->ops.i2c_gate_ctrl) {
- ret = fe->ops.i2c_gate_ctrl(fe, 1);
- if (ret < 0)
- goto error;
- }
-
- ret = stv6110x_write_regs(stv6110x, 0, stv6110x->regs,
- ARRAY_SIZE(stv6110x->regs));
- if (ret < 0) {
- dprintk(FE_ERROR, 1, "Initialization failed");
- goto error;
- }
-
- if (fe->ops.i2c_gate_ctrl) {
- ret = fe->ops.i2c_gate_ctrl(fe, 0);
- if (ret < 0)
- goto error;
- }
-
fe->tuner_priv = stv6110x;
fe->ops.tuner_ops = stv6110x_ops;
diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c
index e5cb1022d9d..f5db13d8b99 100644
--- a/drivers/media/dvb/ttpci/budget.c
+++ b/drivers/media/dvb/ttpci/budget.c
@@ -640,6 +640,12 @@ static void frontend_init(struct budget *budget)
tt1600_stv090x_config.tuner_set_refclk = ctl->tuner_set_refclk;
tt1600_stv090x_config.tuner_get_status = ctl->tuner_get_status;
+ /* call the init function once to initialize
+ tuner's clock output divider and demod's
+ master clock */
+ if (budget->dvb_frontend->ops.init)
+ budget->dvb_frontend->ops.init(budget->dvb_frontend);
+
dvb_attach(isl6423_attach,
budget->dvb_frontend,
&budget->i2c_adap,