diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-input.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-input.c | 51 |
1 files changed, 46 insertions, 5 deletions
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c index eccc5e49a350..d52ce0e3bec9 100644 --- a/drivers/media/video/cx88/cx88-input.c +++ b/drivers/media/video/cx88/cx88-input.c @@ -609,13 +609,54 @@ void cx88_ir_irq(struct cx88_core *core) return; } + +void cx88_i2c_init_ir(struct cx88_core *core) +{ + struct i2c_board_info info; + const unsigned short addr_list[] = { + 0x18, 0x6b, 0x71, + I2C_CLIENT_END + }; + const unsigned short *addrp; + /* Instantiate the IR receiver device, if present */ + if (0 != core->i2c_rc) + return; + + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, "ir_video", I2C_NAME_SIZE); + + /* + * We can't call i2c_new_probed_device() because it uses + * quick writes for probing and at least some RC receiver + * devices only reply to reads. + * Also, Hauppauge XVR needs to be specified, as address 0x71 + * conflicts with another remote type used with saa7134 + */ + for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { + info.platform_data = NULL; + memset(&core->init_data, 0, sizeof(core->init_data)); + + if (*addrp == 0x71) { + /* Hauppauge XVR */ + core->init_data.name = "cx88 Hauppauge XVR remote"; + core->init_data.ir_codes = RC_MAP_HAUPPAUGE_NEW; + core->init_data.type = IR_TYPE_RC5; + core->init_data.internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; + + info.platform_data = &core->init_data; + } + if (i2c_smbus_xfer(&core->i2c_adap, *addrp, 0, + I2C_SMBUS_READ, 0, + I2C_SMBUS_QUICK, NULL) >= 0) { + info.addr = *addrp; + i2c_new_device(&core->i2c_adap, &info); + break; + } + } +} + /* ---------------------------------------------------------------------- */ MODULE_AUTHOR("Gerd Knorr, Pavel Machek, Chris Pascoe"); MODULE_DESCRIPTION("input driver for cx88 GPIO-based IR remote controls"); MODULE_LICENSE("GPL"); -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |
