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Re: [Qemu-devel] [PATCH 0/2] Add gpio_key and use it for ARM virt power

From: Wei Huang
Subject: Re: [Qemu-devel] [PATCH 0/2] Add gpio_key and use it for ARM virt power button
Date: Wed, 23 Mar 2016 12:14:10 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0

On 03/23/2016 11:12 AM, Peter Maydell wrote:
> On 17 March 2016 at 13:25, Shannon Zhao <address@hidden> wrote:
>> From: Shannon Zhao <address@hidden>
>> There is a problem for power button that it will not work if an early
>> system_powerdown request happens before guest gpio driver loads.
>> Here we add the emulation of gpio_key and use it for ARM virt power
>> button.
> I tweaked the type names to be 'gpio-key' rather than 'gpio_key',
> and added a comment to briefly describe what the device does:
> + * Emulate a (human) keypress -- when the key is triggered by
> + * setting the incoming gpio line, the outbound irq line is
> + * raised for 100ms before being dropped again.
> Applied to target-arm.next, thanks.

I didn't see the patch series until yesterday. So just to make it
complete, I did test it with both DT and ACPI modes. The patch seemed to
work as intended.

Tested-by: Wei Huang <address@hidden>


> -- PMM

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