[cpia] Unified patch for recent kernels

[sbertin@mindspring.com]

On 25 Jan, Claudio Matsuoka wrote:
> I tried to just build and install the modules, but here's what
> happened:
> 
> Linux dexter 2.3.39 #2 Mon Jan 17 17:55:25 EDT 2000 i686 unknown
> 
> Jan 24 20:02:40 dexter kernel: parport0: PC-style at 0x378 (0x778), irq 7, dma 3 [PCSPP,TRISTATE,ECP,DMA] 
> Jan 24 20:02:40 dexter kernel: parport0: cpp_daisy: aa5500ff(10) 
> Jan 24 20:02:40 dexter kernel: parport0: assign_addrs: aa5500ff(10) 
> Jan 24 20:03:46 dexter kernel: Linux video capture interface: v1.00 
> Jan 24 20:03:50 dexter kernel: V4L-Driver for Vision CPiA based cameras v0.6.0 
> Jan 24 20:03:58 dexter kernel: Parallel port driver for Vision CPiA based cameras v0.6.0 

After this I also get
Jan 25 20:18:01 adsl-61-0-206 kernel: cpia_pp.c(555746):cpia_pp_open(1367):Found camera[0] 
Jan 25 20:18:01 adsl-61-0-206 kernel: parport0: ECP direction: reverse 
Jan 25 20:18:01 adsl-61-0-206 kernel: cpia.c(555748):goto_low_power(2452):camera now in LOW power state 
Jan 25 20:18:01 adsl-61-0-206 kernel: parport0: ECP direction: reverse 
Jan 25 20:18:01 adsl-61-0-206 last message repeated 2 times
Jan 25 20:18:01 adsl-61-0-206 kernel: cpia.c(555760):goto_high_power(2440):camera now in HIGH power state 
Jan 25 20:18:01 adsl-61-0-206 kernel: parport0: ECP direction: reverse 
Jan 25 20:18:01 adsl-61-0-206 kernel: parport0: ECP direction: reverse 
Jan 25 20:18:02 adsl-61-0-206 kernel: cpia.c(555772):dispatch_commands(2197):1 1 0 0 1 1 1 1  
Jan 25 20:18:02 adsl-61-0-206 kernel: cpia.c(555772):dispatch_commands(2198):0 1 1 1 1 1 0 1  
Jan 25 20:18:02 adsl-61-0-206 kernel: parport0: ECP direction: reverse 
Jan 25 20:18:02 adsl-61-0-206 kernel: parport0: ECP direction: reverse 
Jan 25 20:18:02 adsl-61-0-206 kernel: cpia.c(555777):save_camera_state(2472):0/0/185/0/220/214/214/230 
Jan 25 20:18:02 adsl-61-0-206 kernel: cpia.c(555777):save_camera_state(2476):32/6/92 
Jan 25 20:18:02 adsl-61-0-206 kernel:   CPiA Version: 1.20 (2.0) 
Jan 25 20:18:02 adsl-61-0-206 kernel:   CPiA PnP-ID: 0553:0002:0100 
Jan 25 20:18:02 adsl-61-0-206 kernel:   VP-Version: 1.0 0100 

If you don't get that or any error messages, then something is going
wrong in cpia_pp_attach.  It looks like the only cause of failure would
be if port->probe_info had the wrong information.  What does
cat /proc/sys/dev/parport/parport0/autoprobe tell you?

Scott J. Bertin
sbertin@mindspring.com