Re: [PATCH 2/7 v3] HID: magicmouse: simplify multitouch feature request

[Henrik Rydberg]

On 09/01/2010 02:34 PM, Chase Douglas wrote:

> On Wed, 2010-09-01 at 09:43 +0200, Henrik Rydberg wrote:
>> On 09/01/2010 03:56 AM, Chase Douglas wrote:
>>
>>> From: Chase Douglas <chase.douglas@xxxxxxxxxx>
>>>
>>> Only the first feature request is required to put the Magic Mouse into
>>> multitouch mode. This is also the case for the Magic Trackpad, for which
>>> support will be added in a later commit.
>>>
>>> Signed-off-by: Chase Douglas <chase.douglas@xxxxxxxxxxxxx>
>>> Acked-by: Michael Poole <mdpoole@xxxxxxxxxxx>
>>> ---
>>
>>
>> Since this is starting to look awfully similar to the mode switch found in
>> appletouch and bcm5974, I wonder what happens to the stream from the device when
>> the connection to hid is closed. It could be that the mode switch should be
>> moved to open/close instead.
> 
> I don't really understand what you are proposing. It sounds like maybe
> you want the device to continue to function in a non-multitouch way
> after hid disconnection, but the device needs hid to function at all.


Suspend/resume, broken bt connections, etc. There was an issue with the bcm5974
macbook trackpads not functioning properly after a close unless returned to
normal mode. The mode switch code was moved to the open/close functions for that
reason.


> The closest thing I can think to what you are saying is to do whatever
> it takes on module removal so that it goes back to functioning in the
> non-multitouch mode. That may be possible.


Sounds like a good start. Doing a suspend test just now I could not get the
device up again, for whatever reason.

Henrik
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/