From: Oliver Neukum <oneukum@suse.de>
To: "Dâniel Fraga" <fragabr@gmail.com>
Cc: "Bruno Prémont" <bonbons@linux-vserver.org>, linux-input@vger.kernel.org
Subject: Re: 3.5.1 hid_generic causes mouse locking until a button is clicked
Date: Mon, 13 Aug 2012 08:30:35 +0200 [thread overview]
Message-ID: <2204600.iAkYKzSYsi@linux-lqwf.site> (raw)
In-Reply-To: <50281d29.516eec0a.683e.1052@mx.google.com>
On Sunday 12 August 2012 18:16:22 Dâniel Fraga wrote:
> I mean, it seems that with kernel 3.4 simply moving the mouse
> would wake up the usb port and now with kernel 3.5 it only works if I
> press a button.
>
> So, kernel 3.5 is supposed to wake up the usb port when we move
> the mouse or not?
The kernel doesn't do this. Mice are told to wake up when they have input
data. They decide themselves what data should be collected while they
sleep. The USB HID spec offers no way to learn what will wake up a device.
In fact, it does'nt mention power management.
> Is there a way to restore the old behaviour from kernel 3.4?
Probably the device didn't autosuspend. Disable autosuspension.
Regards
Oliver
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next prev parent reply other threads:[~2012-08-13 8:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-11 19:55 3.5.1 hid_generic causes mouse locking until a button is clicked Dâniel Fraga
2012-08-12 17:53 ` Bruno Prémont
2012-08-12 21:16 ` Dâniel Fraga
2012-08-13 6:30 ` Oliver Neukum [this message]
2012-08-13 9:18 ` Dâniel Fraga
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