Bad VCC with 5V slot and 3.3/5V card

David Hinds dhinds at sonic.net
Thu Mar 3 14:23:13 EST 2005


On Thu, Mar 03, 2005 at 06:13:55PM +0200, Kimmo Koivisto wrote:
> 
> /* Do power control. We don't allow changes in Vcc. */ 
> // if (s->socket.Vcc != req->Vcc) 
> // return CS_BAD_VCC; 
> if (req->Vpp1 != req->Vpp2) 
> return CS_BAD_VPP; 
> s->socket.Vpp = req->Vpp1; 
> if (s->ops->set_socket(s, &s->socket)) 
> return CS_BAD_VPP; 

In pcmcia-cs, I currently do:

    /* Do power control.  We don't allow changes in Vcc. */
    if (s->socket.Vcc != req->Vcc)
        printk(KERN_DEBUG "cs: ignoring requested Vcc\n");

-- Dave




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