[PATCH V3 1/4] Input: pxa27x_keypad keep clock on as wakeup source

Vasily Khoruzhick anarsoul at gmail.com
Sun Oct 28 04:39:52 EDT 2012


On Fri, Apr 27, 2012 at 12:04 PM, Haojian Zhuang
<haojian.zhuang at gmail.com> wrote:
> On Mon, Apr 2, 2012 at 5:37 PM, Haojian Zhuang <haojian.zhuang at gmail.com> wrote:
>> On Sun, Apr 1, 2012 at 10:08 AM, Chao Xie <chao.xie at marvell.com> wrote:
>>> When the keypad is used as wake up source, the clock can not
>>> be disabled. Or it can not detect key pressing.
>>> If the keypad is used as wake up source, when resume back,
>>> do not enable the clock and configure it again because the
>>> register content is retained.
>>>
>>> Signed-off-by: Chao Xie <chao.xie at marvell.com>
>>> ---
>>
>> Hi Dmitry,
>>
>> I just found that you're not looped in this mail thread. Could I merge
>> them into arch-pxa tree?
>>
>> Best Regards
>> Haojian
>
> Applied
>
> Regards
> Haojian

Hi,

This patch breaks pxa27x_keypad on pxa270-based Zipit Z2 device. After
resume keypad is not working anymore.
Reverting this patch fixes issue. Looks like it's necessary to call
pxa27x_keypad_config() on resume (at least on pxa27x?)

Regards
Vasily



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