The scanning itself just fails (as before this series) but now the correct 
busses are scanned.

V2: Changed to symbolic names where muxed adapters can be seen directly.

Signed-off-by: Matthias Schwarzott <z...@gentoo.org>
---
 drivers/media/usb/cx231xx/cx231xx-core.c | 6 ++++++
 drivers/media/usb/cx231xx/cx231xx-i2c.c  | 8 ++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c 
b/drivers/media/usb/cx231xx/cx231xx-core.c
index c49022f..60dbbbb 100644
--- a/drivers/media/usb/cx231xx/cx231xx-core.c
+++ b/drivers/media/usb/cx231xx/cx231xx-core.c
@@ -1303,6 +1303,12 @@ int cx231xx_dev_init(struct cx231xx *dev)
        cx231xx_i2c_mux_register(dev, 0);
        cx231xx_i2c_mux_register(dev, 1);
 
+       /* scan the real bus segments */
+       cx231xx_do_i2c_scan(dev, I2C_0);
+       cx231xx_do_i2c_scan(dev, I2C_1_MUX_1);
+       cx231xx_do_i2c_scan(dev, I2C_2);
+       cx231xx_do_i2c_scan(dev, I2C_1_MUX_3);
+
        /* init hardware */
        /* Note : with out calling set power mode function,
        afe can not be set up correctly */
diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c 
b/drivers/media/usb/cx231xx/cx231xx-i2c.c
index bb82e6d..0df50d3 100644
--- a/drivers/media/usb/cx231xx/cx231xx-i2c.c
+++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c
@@ -492,6 +492,9 @@ void cx231xx_do_i2c_scan(struct cx231xx *dev, int i2c_port)
        int i, rc;
        struct i2c_client client;
 
+       if (!i2c_scan)
+               return;
+
        memset(&client, 0, sizeof(client));
        client.adapter = cx231xx_get_i2c_adap(dev, i2c_port);
 
@@ -533,10 +536,7 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus)
        i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);
        i2c_add_adapter(&bus->i2c_adap);
 
-       if (0 == bus->i2c_rc) {
-               if (i2c_scan)
-                       cx231xx_do_i2c_scan(dev, bus->nr);
-       } else
+       if (0 != bus->i2c_rc)
                cx231xx_warn("%s: i2c bus %d register FAILED\n",
                             dev->name, bus->nr);
 
-- 
2.1.1

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