[pvrusb2] hvr-1900, mythtv and remote

[roccomoretti]

Mike Isely wrote:

> Please try the device without attempting to set up IR first.  The IR 
> setup on the HVR-1900/1950 is something I'm not very clear about.  There 
> have been multiple posts in the past about people having trouble with 
> this, and some anecdotal bits that suggest LIRC might have some issues 
> here.  And it is theoretically possible that a misbehaving IR chip could 
> interfere with other I2C transfers, potentially causing errors like you 
> report further down.  

In my experience with the HVR-1950, when LIRC fails to find the correct 
i2c address it brings the entire device down with it, requiring at the 
very least a USB unplug/replug to reset things.