diff options
Diffstat (limited to 'drivers/media/video/ivtv')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-i2c.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c index 9e3d32b8004c..0ecde9ca05c1 100644 --- a/drivers/media/video/ivtv/ivtv-i2c.c +++ b/drivers/media/video/ivtv/ivtv-i2c.c @@ -579,9 +579,11 @@ static struct i2c_client ivtv_i2c_client_template = { .name = "ivtv internal", }; -/* init + register i2c algo-bit adapter */ +/* init + register i2c adapter + instantiate IR receiver */ int init_ivtv_i2c(struct ivtv *itv) { + int retval; + IVTV_DEBUG_I2C("i2c init\n"); /* Sanity checks for the I2C hardware arrays. They must be the @@ -619,9 +621,32 @@ int init_ivtv_i2c(struct ivtv *itv) ivtv_setsda(itv, 1); if (itv->options.newi2c > 0) - return i2c_add_adapter(&itv->i2c_adap); + retval = i2c_add_adapter(&itv->i2c_adap); else - return i2c_bit_add_bus(&itv->i2c_adap); + retval = i2c_bit_add_bus(&itv->i2c_adap); + + /* Instantiate the IR receiver device, if present */ + if (retval == 0) { + struct i2c_board_info info; + /* The external IR receiver is at i2c address 0x34 (0x35 for + reads). Future Hauppauge cards will have an internal + receiver at 0x30 (0x31 for reads). In theory, both can be + fitted, and Hauppauge suggest an external overrides an + internal. + + That's why we probe 0x1a (~0x34) first. CB + */ + const unsigned short addr_list[] = { + 0x1a, 0x18, 0x64, 0x30, + I2C_CLIENT_END + }; + + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "ir_video", I2C_NAME_SIZE); + i2c_new_probed_device(&itv->i2c_adap, &info, addr_list); + } + + return retval; } void exit_ivtv_i2c(struct ivtv *itv) |