[sane-devel] Question about Genesys_Frontend

[Pierre Willenbrock]

Guillaume Gastebois schrieb:
> Hello,
> 
> In genesys backend, we can find :
> 
> typedef struct
> {
>    u_int8_t reg[4];
>    u_int8_t sign[3];
>    u_int8_t offset[3];
>    u_int8_t gain[3];
>    u_int8_t reg2[3];
> } Genesys_Frontend;
> 
> 
> but in WM8199 regs don't have the same name.
> For me registers addresses are :
> 
> reg[0]=0x01,reg[1]=0x02,reg[2]=0x03,reg[3]=0x06,
> sign[0]=?,sign[1]=?,sign[2]=?,
> offset[0]=0x20,offset[1]=0x21,offset[2]=0x22,
> gain[0]=0x28,gain[1]=0x29,gain[2]=0x2a,
> reg2[0]=0x08,reg2[1]=0x09,reg2[2]=?,
> 
> I anybody able to replace "?" and/or correct mistakes in text before ?

There are some AFEs that use these registers, and some, that don't. If 
the windows driver does not set them, most likely they are not 
used/defined and ignored by the AFE. So it should be safe to set them to 0.

> Thanks
> 
> Regards
> Guillaume

Regards,
   Pierre