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Message-Id: <200806092316.56459.oliver@neukum.org>
Date: Mon, 9 Jun 2008 23:16:55 +0200
From: Oliver Neukum <oliver@...kum.org>
To: "Justin Mattock" <justinmattock@...il.com>
Cc: "Rafael J. Wysocki" <rjw@...k.pl>,
"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: [Bug #10825] appletouch after wakeup
Am Montag 09 Juni 2008 22:52:21 schrieb Justin Mattock:
> On Mon, Jun 9, 2008 at 8:31 PM, Oliver Neukum <oliver@...kum.org> wrote:
> > Am Montag 09 Juni 2008 22:29:05 schrieb Justin Mattock:
> >> On Mon, Jun 9, 2008 at 7:53 PM, Oliver Neukum <oliver@...kum.org> wrote:
> >> > Am Montag 09 Juni 2008 18:18:19 schrieb Justin Mattock:
> >
> >> >> Cool; just an update, I've suspended the system numerous times it
> >> >> seems appletouch is behaving correctly, in fact
> >> >> I think better, why: when I start the system I have two finger scroll
> >> >> functionality, then when suspending the system
> >> >> after waking up the two finger scroll is still functional.
> >> >> regards;
> >> >>
> >> >
> >> > With last week's patch or today's patch?
> >> >
> >> > Regards
> >> > Oliver
> >> >
> >> >
> >>
> >> Last weeks patch.
> >> regards;
> >>
> >
> > Could you also try today's patch?
> >
> > Regards
> > Oliver
> >
> >
>
> Sure, where is it located.
> regards;
>
Didn't I mail it to you? Anyway, here it is.
Regards
Oliver
----
--- linux-2.6.26-rc5/drivers/usb/core/quirks.c 2008-06-05 13:45:57.000000000 +0200
+++ linux-2.6.26-rc5-btusb/drivers/usb/core/quirks.c 2008-06-06 08:12:10.000000000 +0200
@@ -47,6 +47,9 @@ static const struct usb_device_id usb_qu
/* Edirol SD-20 */
{ USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* appletouch */
+ { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* Avision AV600U */
{ USB_DEVICE(0x0638, 0x0a13), .driver_info =
USB_QUIRK_STRING_FETCH_255 },
--- linux-2.6.26-rc5-btusb/drivers/input/mouse/appletouch.c.alt 2008-06-09 10:40:00.000000000 +0200
+++ linux-2.6.26-rc5-btusb/drivers/input/mouse/appletouch.c 2008-06-09 10:40:03.000000000 +0200
@@ -589,6 +589,20 @@ static void atp_close(struct input_dev *
dev->open = 0;
}
+static int handle_geyser(struct atp *dev)
+{
+ struct usb_device *udev = dev->udev;
+
+ if (!atp_is_fountain(dev)) {
+ /* switch to raw sensor mode */
+ if (atp_geyser_init(udev))
+ return -EIO;
+
+ printk(KERN_INFO "appletouch: Geyser mode initialized.\n");
+ }
+ return 0;
+}
+
static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
struct atp *dev;
@@ -744,6 +758,20 @@ static void atp_disconnect(struct usb_in
printk(KERN_INFO "input: appletouch disconnected\n");
}
+static int recover_dev(struct atp *dev)
+{
+ int rv;
+
+ rv = handle_geyser(dev);
+ if (rv < 0)
+ return rv;
+
+ if (dev->open && usb_submit_urb(dev->urb, GFP_NOIO))
+ return -EIO;
+
+ return 0;
+}
+
static int atp_suspend(struct usb_interface *iface, pm_message_t message)
{
struct atp *dev = usb_get_intfdata(iface);
@@ -764,12 +792,20 @@ static int atp_resume(struct usb_interfa
return 0;
}
+static int atp_reset_resume(struct usb_interface *iface)
+{
+ struct atp *dev = usb_get_intfdata(iface);
+
+ return recover_dev(dev);
+}
+
static struct usb_driver atp_driver = {
.name = "appletouch",
.probe = atp_probe,
.disconnect = atp_disconnect,
.suspend = atp_suspend,
.resume = atp_resume,
+ .reset_resume = atp_reset_resume,
.id_table = atp_table,
};
--
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