Re: [Qemu-devel] [PATCH v5 08/10] ARM: ACPI: Add _E03 for Power Button

[Igor Mammedov <imammedo@redhat.com>]

On Fri, 11 Dec 2015 11:21:24 +0800
Shannon Zhao <zhaoshenglong@huawei.com> wrote:

> From: Shannon Zhao <shannon.zhao@linaro.org>
> 
> Here GPIO pin 3 is used for Power Button, add _E03 in ACPI DSDT table.
> 
> Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
> Tested-by: Wei Huang <wei@redhat.com>
> ---
>  hw/arm/virt-acpi-build.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
> index e5dc2d5..1ffff62 100644
> --- a/hw/arm/virt-acpi-build.c
> +++ b/hw/arm/virt-acpi-build.c
> @@ -339,6 +339,20 @@ static void acpi_dsdt_add_gpio(Aml *scope, const
> MemMapEntry *gpio_memmap, aml_append(crs, aml_interrupt(AML_CONSUMER,
> AML_LEVEL, AML_ACTIVE_HIGH, AML_EXCLUSIVE, &gpio_irq, 1));
>      aml_append(dev, aml_name_decl("_CRS", crs));
> +
> +    Aml *aei = aml_resource_template();
> +    /* Pin 3 for power button */
> +    const uint32_t pin_list[1] = {3};
Sorry, just noticed,
do we allow declarations in the middle of the block?
The same applies to 'Aml *method' below.

> +    aml_append(aei, aml_gpio_int(AML_CONSUMER, AML_EDGE,
> AML_ACTIVE_HIGH,
> +                                 AML_EXCLUSIVE, AML_PULL_UP, 0,
> pin_list, 1,
> +                                 "GPO0", NULL, 0));
> +    aml_append(dev, aml_name_decl("_AEI", aei));
> +
> +    /* _E03 is handle for power button */
> +    Aml *method = aml_method("_E03", 0, AML_NOTSERIALIZED);
> +    aml_append(method, aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE),
> +                                  aml_int(0x80)));
> +    aml_append(dev, method);
>      aml_append(scope, dev);
>  }
>