Re: [PATCH 1/9] ARM: boards: protonic-imx6: prtvt7 hardkey inputs are active low

[Robin van der Gracht <robin@protonic.nl>]

On 2022-06-16 18:38, Oleksij Rempel wrote:
> Am 16.06.22 um 18:28 schrieb Oleksij Rempel:
>> Hi Robin,
>> 
>> On Thu, Jun 16, 2022 at 03:11:06PM +0200, Robin van der Gracht wrote:
>>> The usb check needs to be skipped unless both keys are pressed
>>> simultaneously.
>>> 
>>> Signed-off-by: Robin van der Gracht <robin@protonic.nl>
>>> ---
>>>   arch/arm/boards/protonic-imx6/board.c | 2 +-
>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>> 
>>> diff --git a/arch/arm/boards/protonic-imx6/board.c 
>>> b/arch/arm/boards/protonic-imx6/board.c
>>> index cdbb8debe6..8f8a0c745e 100644
>>> --- a/arch/arm/boards/protonic-imx6/board.c
>>> +++ b/arch/arm/boards/protonic-imx6/board.c
>>> @@ -645,7 +645,7 @@ static int prt_imx6_init_prtvt7(struct prt_imx6_priv 
>>> *priv)
>>>   	gpio_direction_input(GPIO_KEY_F6);
>>>   	gpio_direction_input(GPIO_KEY_CYCLE);
>>> 
>>> -	if (gpio_get_value(GPIO_KEY_CYCLE) && gpio_get_value(GPIO_KEY_F6))
>>> +	if (gpio_get_value(GPIO_KEY_CYCLE) || gpio_get_value(GPIO_KEY_F6))
>>>   		priv->no_usb_check = 1;
>> 
>> Hm, you probably wont:
>> 	if (!(gpio_get_value(GPIO_KEY_CYCLE) && gpio_get_value(GPIO_KEY_F6)))
>> 
>> otherwise usb check will be always skipped.
> 
> Or, it is active low and your patch is correct :D

They are active low. I mentoned that in the patch subject ;)
I want both keys pressed simultaniously as a requirement for the usb check
because it adds a delay (autoboot_timeout) to the boot process.

- Robin