On Sun, 16 Jul 2006, Éric Paré wrote:

> Hi,
>       I am having trouble figuring if the toshiba gigabeat (essentially, mp3 
> player) is supposed to work in linux or not.  Simply, I would like to 
> copy my mp3s on it when it's connected to my computer.
> 
> Topic: Toshiba Gigabeat support in Linux
> Issue: USB drivers, kernel modules
> 
> When I plug in (USB) another (older Zen mp3 player), everything is fine. 
>   The device is automatically detected.  The kernel device used is 
> usb-storage.
> 
> But when I plug in the gigabeat, /proc/bus/usb/devices shows:
> T:  Bus=04 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 17 Spd=480 MxCh= 0
> D:  Ver= 2.00 Cls=ff(vend.) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=0930 ProdID=0010 Rev= 1.00
> S:  Manufacturer=TOSHIBA Corporation
> S:  Product=TOSHIBA gigabeat S
> S:  SerialNumber=31b1dbc4 - 2cf6654e - 80bd1ff8 - 8ee00652
> C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 50mA
> I:  If#= 0 Alt= 0 #EPs= 3 Cls=00(>ifc ) Sub=00 Prot=00 Driver=(none)
> E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=83(I) Atr=03(Int.) MxPS=   8 Ivl=1ms
> 
> I wonder why the driver is "none".  I would have thought that 
> usb-storage would handle it.  It seems it doesn't.

There is no driver because the descriptors indicate that the device needs 
a vendor-specific driver (that's what the "vend." means in the D: line).

> Am I missing a driver for it to work under Linux?  And why wouldn't 
> usb-storage handle it?  Is there a missing supported feature that I 
> could get from a custom built kernel?

It's impossible to answer the last question without knowing how the
Gigabeat works.  Perhaps it uses a vendor-specific protocol, necessitating
a vendor-specific driver.  Or perhaps it uses the standard USB
mass-storage protocol, in which case it could be made to work with the
usb-storage driver with suitable adjustments.

Alan Stern



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