diff options
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-i2c.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index af9180f3bf30..9ade3acbc877 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -54,10 +54,19 @@ do { \ } \ } while (0) +static inline int get_real_i2c_port(struct cx231xx *dev, int bus_nr) +{ + if (bus_nr == 1) + return dev->port_3_switch_enabled ? I2C_1_MUX_3 : I2C_1_MUX_1; + return bus_nr; +} + static inline bool is_tuner(struct cx231xx *dev, struct cx231xx_i2c *bus, const struct i2c_msg *msg, int tuner_type) { - if (bus->nr != dev->board.tuner_i2c_master) + int i2c_port = get_real_i2c_port(dev, bus->nr); + + if (i2c_port != dev->board.tuner_i2c_master) return false; if (msg->addr != dev->board.tuner_addr) |