On Fri, Jun 30, 2017 at 2:48 PM, Abdulhadi Mohamed
<abdulahhadi2@xxxxxxxxx> wrote:
> Currently linux HID gadgets do not support remote wakeup (the ability
> to wake up a host from suspend). This is an important feature for
> gadgets that want to properly emulate the normal operation of a mouse
> and keyboard. Ultimately, This feature has to be enabled/supported by
> the underlying UDC driver to have any impact.
Is this a new version of a patch? Is it a resend? There is no version number :-/
> Signed-off-by: Abdulhadi Mohamed <abdulahhadi2@xxxxxxxxx>
> ---
> drivers/usb/gadget/function/f_hid.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
> index c60b882..eeb01bd 100644
> --- a/drivers/usb/gadget/function/f_hid.c
> +++ b/drivers/usb/gadget/function/f_hid.c
> @@ -339,6 +339,7 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
> size_t count, loff_t *offp)
> {
> struct f_hidg *hidg = file->private_data;
> + struct usb_composite_dev *cdev = hidg->func.config->cdev;
> struct usb_request *req;
> unsigned long flags;
> ssize_t status = -ENOMEM;
> @@ -346,6 +347,7 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
> if (!access_ok(VERIFY_READ, buffer, count))
> return -EFAULT;
>
> + usb_gadget_wakeup(cdev->gadget);
> spin_lock_irqsave(&hidg->write_spinlock, flags);
>
> #define WRITE_COND (!hidg->write_pending)
> --
> 2.9.3
> --
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