diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88-i2c.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-i2c.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c index fb39f118455..82db555b22d 100644 --- a/drivers/media/video/cx88/cx88-i2c.c +++ b/drivers/media/video/cx88/cx88-i2c.c @@ -181,6 +181,11 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci) } else printk("%s: i2c register FAILED\n", core->name); + return core->i2c_rc; +} + +void cx88_i2c_init_ir(struct cx88_core *core) +{ /* Instantiate the IR receiver device, if present */ if (0 == core->i2c_rc) { struct i2c_board_info info; @@ -188,26 +193,14 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci) 0x18, 0x6b, 0x71, I2C_CLIENT_END }; - const unsigned short *addrp; 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 R receiver - * devices only reply to reads. - */ - for (addrp = addr_list; *addrp != I2C_CLIENT_END; addrp++) { - 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; - } - } + /* Use quick read command for probe, some IR chips don't + * support writes */ + i2c_new_probed_device(&core->i2c_adap, &info, addr_list, + i2c_probe_func_quick_read); } - return core->i2c_rc; } /* ----------------------------------------------------------------------- */ |