diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-dvb.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-dvb.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index 064bf2cd5f21..d2a12df28af0 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -236,13 +236,38 @@ static struct tda18271_std_map mb86a20s_tda18271_std_map = { static struct tda18271_config kworld_tda18271_config = { .std_map = &mb86a20s_tda18271_std_map, - .gate = TDA18271_GATE_ANALOG, + .gate = TDA18271_GATE_DIGITAL, }; static const struct mb86a20s_config kworld_mb86a20s_config = { .demod_address = 0x10, }; +static int kworld_sbtvd_gate_ctrl(struct dvb_frontend* fe, int enable) +{ + struct saa7134_dev *dev = fe->dvb->priv; + + unsigned char initmsg[] = {0x45, 0x97}; + unsigned char msg_enable[] = {0x45, 0xc1}; + unsigned char msg_disable[] = {0x45, 0x81}; + struct i2c_msg msg = {.addr = 0x4b, .flags = 0, .buf = initmsg, .len = 2}; + + if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1) { + wprintk("could not access the I2C gate\n"); + return -EIO; + } + if (enable) + msg.buf = msg_enable; + else + msg.buf = msg_disable; + if (i2c_transfer(&dev->i2c_adap, &msg, 1) != 1) { + wprintk("could not access the I2C gate\n"); + return -EIO; + } + msleep(20); + return 0; +} + /* ================================================================== * tda1004x based DVB-T cards, helper functions */ @@ -1639,10 +1664,21 @@ static int dvb_init(struct saa7134_dev *dev) &kworld_mb86a20s_config, &dev->i2c_adap); if (fe0->dvb.frontend != NULL) { +#if 0 + dvb_attach(tda829x_attach, fe0->dvb.frontend, + &dev->i2c_adap, 0x4b, + &tda829x_no_probe); +#else + dvb_attach(tda829x_attach, fe0->dvb.frontend, + &dev->i2c_adap, 0x4b, NULL); +#endif dvb_attach(tda18271_attach, fe0->dvb.frontend, 0x60, &dev->i2c_adap, &kworld_tda18271_config); + fe0->dvb.frontend->ops.i2c_gate_ctrl = kworld_sbtvd_gate_ctrl; } + + /* mb86a20s need to use the I2C gateway */ break; default: wprintk("Huh? unknown DVB card?\n"); |