diff options
Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-i2c.c')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-i2c.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index 45057167227..af9180f3bf3 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -483,7 +483,7 @@ void cx231xx_do_i2c_scan(struct cx231xx *dev, int i2c_port) struct i2c_client client; memset(&client, 0, sizeof(client)); - client.adapter = &dev->i2c_bus[i2c_port].i2c_adap; + client.adapter = cx231xx_get_i2c_adap(dev, i2c_port); cx231xx_info(": Checking for I2C devices on port=%d ..\n", i2c_port); for (i = 0; i < 128; i++) { @@ -537,3 +537,21 @@ int cx231xx_i2c_unregister(struct cx231xx_i2c *bus) i2c_del_adapter(&bus->i2c_adap); return 0; } + +struct i2c_adapter *cx231xx_get_i2c_adap(struct cx231xx *dev, int i2c_port) +{ + switch (i2c_port) { + case I2C_0: + return &dev->i2c_bus[0].i2c_adap; + case I2C_1: + return &dev->i2c_bus[1].i2c_adap; + case I2C_2: + return &dev->i2c_bus[2].i2c_adap; + case I2C_1_MUX_1: + case I2C_1_MUX_3: + return &dev->i2c_bus[1].i2c_adap; + default: + return NULL; + } +} +EXPORT_SYMBOL_GPL(cx231xx_get_i2c_adap); |