diff options
| author | Andreas Regel | 2010-02-13 20:48:07 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2010-05-18 05:46:49 +0200 |
| commit | 5817ea0c83665dbc117cb7ca637202da0fb1abce (patch) | |
| tree | dbd3d47d177cdab1c3d8e51e36974415b3baa921 | |
| parent | V4L/DVB: [STV090x] Use gate control, while tuner is being accessed (diff) | |
| download | kernel-qcow2-linux-5817ea0c83665dbc117cb7ca637202da0fb1abce.tar.gz kernel-qcow2-linux-5817ea0c83665dbc117cb7ca637202da0fb1abce.tar.xz kernel-qcow2-linux-5817ea0c83665dbc117cb7ca637202da0fb1abce.zip | |
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>
| -rw-r--r-- | drivers/media/dvb/frontends/stv090x.c | 14 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/stv6110x.c | 20 | ||||
| -rw-r--r-- | drivers/media/dvb/ttpci/budget.c | 6 |
3 files changed, 20 insertions, 20 deletions
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c index 3cc1be28534e..a461fdff2c9c 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 c1ddb83e6349..2f9cd2441340 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 e5cb1022d9db..f5db13d8b990 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, |