diff options
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 42 | ||||
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 36 | ||||
| -rw-r--r-- | include/media/v4l2-common.h | 13 |
3 files changed, 65 insertions, 26 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index ac23ff53543..829006ebdf3 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -980,35 +980,25 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, /* initialize hardware #2 */ if (TUNER_ABSENT != dev->tuner_type) { - if (dev->radio_type != UNSET) { - v4l2_i2c_new_subdev(&dev->i2c_adap, "tuner", "tuner", - dev->radio_addr); - } - if (dev->tda9887_conf & TDA9887_PRESENT) { - unsigned short addrs[] = { 0x42, 0x43, 0x4a, 0x4b, - I2C_CLIENT_END }; + int has_demod = (dev->tda9887_conf & TDA9887_PRESENT); - v4l2_i2c_new_probed_subdev(&dev->i2c_adap, - "tuner", "tuner", addrs); - } - if (dev->tuner_addr != ADDR_UNSET) { + /* Note: radio tuner address is always filled in, + so we do not need to probe for a radio tuner device. */ + if (dev->radio_type != UNSET) v4l2_i2c_new_subdev(&dev->i2c_adap, - "tuner", "tuner", dev->tuner_addr); + "tuner", "tuner", dev->radio_addr); + if (has_demod) + v4l2_i2c_new_probed_subdev(&dev->i2c_adap, "tuner", + "tuner", v4l2_i2c_tuner_addrs(ADDRS_DEMOD)); + if (dev->tuner_addr == ADDR_UNSET) { + enum v4l2_i2c_tuner_type type = + has_demod ? ADDRS_TV_WITH_DEMOD : ADDRS_TV; + + v4l2_i2c_new_probed_subdev(&dev->i2c_adap, "tuner", + "tuner", v4l2_i2c_tuner_addrs(type)); } else { - unsigned short addrs[] = { - 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ - 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, - 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, - I2C_CLIENT_END - }; - - if (dev->tda9887_conf & TDA9887_PRESENT) { - v4l2_i2c_new_probed_subdev(&dev->i2c_adap, - "tuner", "tuner", addrs + 4); - } else { - v4l2_i2c_new_probed_subdev(&dev->i2c_adap, - "tuner", "tuner", addrs); - } + v4l2_i2c_new_subdev(&dev->i2c_adap, + "tuner", "tuner", dev->tuner_addr); } } saa7134_board_init2(dev); diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 0f450a73477..26e162f13f7 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -991,4 +991,40 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter, } EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev); +/* Return a list of I2C tuner addresses to probe. Use only if the tuner + addresses are unknown. */ +const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type) +{ + static const unsigned short radio_addrs[] = { +#if defined(CONFIG_MEDIA_TUNER_TEA5761) || defined(CONFIG_MEDIA_TUNER_TEA5761_MODULE) + 0x10, +#endif + 0x60, + I2C_CLIENT_END + }; + static const unsigned short demod_addrs[] = { + 0x42, 0x43, 0x4a, 0x4b, + I2C_CLIENT_END + }; + static const unsigned short tv_addrs[] = { + 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, + I2C_CLIENT_END + }; + + switch (type) { + case ADDRS_RADIO: + return radio_addrs; + case ADDRS_DEMOD: + return demod_addrs; + case ADDRS_TV: + return tv_addrs; + case ADDRS_TV_WITH_DEMOD: + return tv_addrs + 4; + } + return NULL; +} +EXPORT_SYMBOL_GPL(v4l2_i2c_tuner_addrs); + #endif diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index 95e74f1874e..0f864f8daaf 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -150,6 +150,19 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter, void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client, const struct v4l2_subdev_ops *ops); +enum v4l2_i2c_tuner_type { + ADDRS_RADIO, /* Radio tuner addresses */ + ADDRS_DEMOD, /* Demod tuner addresses */ + ADDRS_TV, /* TV tuner addresses */ + /* TV tuner addresses if demod is present, this excludes + addresses used by the demodulator from the list of + candidates. */ + ADDRS_TV_WITH_DEMOD, +}; +/* Return a list of I2C tuner addresses to probe. Use only if the tuner + addresses are unknown. */ +const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type); + /* ------------------------------------------------------------------------- */ /* Internal ioctls */ |