[mythtv] [FIX] V4L2 controls

[Ivor Hewitt]

On Sunday 04 January 2004 10:44, steve at nexusuk.org wrote:
> TBH I have no idea what the _IOW and _IOWR stuff is actually doing, nor
> why it's been changed.

FYI The IOW and IOR macros pack a command and data structure size together to 
be passed through to a driver ioctl call.
IOW is for a call that writes data in the ioctl call, IOR reads, IOWR reads 
and writes. 

-- 
Ivor Hewitt.
http://www.ivor.it - Wireless networking and techie bits.
http://www.ivor.org - The leylandii hedge pages