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Re: [PATCH v6 2/7] hw/misc/led: Allow connecting from GPIO output


From: Richard Henderson
Subject: Re: [PATCH v6 2/7] hw/misc/led: Allow connecting from GPIO output
Date: Sun, 13 Sep 2020 18:46:35 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 9/12/20 6:40 AM, Philippe Mathieu-Daudé wrote:
> Some devices expose GPIO lines.
> 
> Add a GPIO qdev input to our LED device, so we can
> connect a GPIO output using qdev_connect_gpio_out().
> 
> When used with GPIOs, the intensity can only be either
> minium or maximum. This depends of the polarity of the
> GPIO (which can be inverted).
> Declare the GpioPolarity type to model the polarity.
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  include/hw/misc/led.h  | 10 ++++++++++
>  include/hw/qdev-core.h | 16 ++++++++++++++++
>  hw/misc/led.c          | 17 ++++++++++++++++-
>  3 files changed, 42 insertions(+), 1 deletion(-)

Oops.  Failed to have r-b in paste-buffer.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~



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