Should be usb_sndctrlpipe, but regardless, I am still experiencing the
same thing.
ret = usb_control_msg(dev,
usb_sndctrlpipe(dev, 0),
SET_IDLE,
(0x01 << 5) + 0x01,
0xaa00, 0, data, 0, USB_CTRL_SET_TIMEOUT);
On 7/17/07, Gabriel Maganis <[EMAIL PROTECTED]> wrote:
> Hello,
> I am trying to send commands to a keyboard to set the idle rate and
> confirm that it's been set like below,
> #define SET_IDLE 0x0A
> #define GET_IDLE 0x02
>
> unsigned char data[1] = {0};
>
> ret = usb_control_msg(dev,
> usb_rcvctrlpipe(dev, 0),
> SET_IDLE,
> (0x01 << 5) + 0x01,
> 0xaa00, 0, data, 0, USB_CTRL_SET_TIMEOUT);
>
> ret = usb_control_msg(dev,
> usb_rcvctrlpipe(dev, 0),
> GET_IDLE,
> (0x01 << 7) + (0x01 << 5) + 0x01,
> 0x0000, 0, data, 1, USB_CTRL_GET_TIMEOUT);
>
> printk("%02x\n", data[0]);
>
> The printk always gives me a zero but the value of ret for GET_IDLE is
> always 1. I've been able to do all of this using libusb in user space
> but have no success within a kernel module. I've also looked at
> devio.c for reference and have run out of ideas of what could be
> wrong. Also, when I try to do a SET_REPORT using usb_control_msg in
> the kernel just like with libusb, my host controller shuts down and
> breaks like I sent _it_ the command.
>
> Thanks..
>
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