On Sat, 5 Jul 2003, Deti Fliegl wrote:

> Hi there,
> 
> I recently bought a Sony DSC P-10 digital camera which is a USB 2.0 mass 
> storage device. Unfortunately the usb-storage driver included in 2.4.21 
> does not recognize it. After I did some simple modifications (attachted 
> to this mail) to the usb-storage driver it works perfectly well.
> 
> FYI: The descriptor looks like that:
> ID 054c:0010 Sony Corp. DSC-S30/S70/S75/F505V/F505/FD92 Cybershot/Mavica 
> Digital Camera
> ...
> bNumEndpoints           3
> bInterfaceClass         8 Mass Storage
> bInterfaceSubClass    255
> bInterfaceProtocol      1
> ...
> it's a plain and simple "bulk without interrrupt" device.
> 
> Please test, refine and apply this patch to the current kernel trees.
> 
> Deti

Your suggested patch is not the correct way to make the usb-storage driver 
recognize your camera.  In particular, the bInterfaceSubClass = 255 is not 
Sony specific; it is a generic value meaning "vendor-defined".

The correct thing to do is to create a new entry in unusual_devs.h.  The 
instructions for submitting such changes are given at the top of the 
source file.

Alan Stern



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