Messages in this thread | | | From | Oliver Neukum <> | Subject | Re: [PATCH v6 7/8, needs improvement] hid: add suspend/resume hooks for hid drivers | Date | Sun, 11 Apr 2010 15:38:30 +0200 |
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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-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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