[   14.534605] WARNING: You are using an experimental version of the media stack.
[   14.534606]  As the driver is backported to an older kernel, it doesn't offer
[   14.534607]  enough quality for its usage in production.
[   14.534608]  Use it with care.
[   14.534608] Latest git patches (needed if you report a bug to linux-media@vger.kernel.org):
[   14.534609]  eb91a5656aa336bea2fcebb8a2b2b7bcfa7ea998 Fixed wrong i2c_transfer check.
[   14.534609]  6b4fa7d554504b01f79418e8cdbb6d5a308fb04b Added missing locks to some i2c accesses. Changed command execution to run in just one i2c bus access.
[   14.612181] media: Linux media interface: v0.10
[   14.656129] Linux video capture interface: v2.00
[   14.656132] WARNING: You are using an experimental version of the media stack.
[   14.656133]  As the driver is backported to an older kernel, it doesn't offer
[   14.656133]  enough quality for its usage in production.
[   14.656134]  Use it with care.
[   14.656134] Latest git patches (needed if you report a bug to linux-media@vger.kernel.org):
[   14.656135]  eb91a5656aa336bea2fcebb8a2b2b7bcfa7ea998 Fixed wrong i2c_transfer check.
[   14.656135]  6b4fa7d554504b01f79418e8cdbb6d5a308fb04b Added missing locks to some i2c accesses. Changed command execution to run in just one i2c bus access.
[   14.703990] cx23885: disagrees about version of symbol altera_init
[   14.703992] cx23885: Unknown symbol altera_init (err -22)