Re: [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for hid drivers

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Am Sonntag, 11. April 2010 13:02:26 schrieb Bruno Prémont:
> Where do I find the bluetooth HID bits? I've been searching through kernel
> sources (under drivers/) but did not find bluetooth code trying to
> register a HID device...

net/bluetooth/hidp/core.c

> Below an updated patch which also calls the hook for auto-suspend case.
> The patch compiles but I've not runtime-tested it yet (especially for
> the auto-suspend part, as I'm not sure what should trigger it).

Looks basically good.

> As far as I understand the code, in auto-suspend case if the driver
> sends commands to the device it will have to call usbhid_wait_io().
> Please correct me if I'm wrong!

No, only if it wants to know that the command has finished.
hid_submit_out() will queue IO in the autosuspended case
and schedule a resumption.

> @@ -629,6 +632,11 @@ struct hid_driver {
>         int (*input_mapped)(struct hid_device *hdev,
>                         struct hid_input *hidinput, struct hid_field *field,
>                         struct hid_usage *usage, unsigned long **bit, int *max);
> +#ifdef CONFIG_PM
> +       int (*suspend)(struct hid_device *hdev, int auto_suspend);

It would be better to pass the full message.

	Regards
		Oliver
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux