Re: [PATCH] gpio: Add a reference to CEC on GPIO

[Hans Verkuil <hverkuil@xxxxxxxxx>]

On 04/14/2018 02:44 AM, Linus Walleij wrote:
> This adds a pointer to the CEC GPIO driver from the GPIO list of
> examples of drivers on top of GPIO.
> 
> Cc: Hans Verkuil <hverkuil@xxxxxxxxx>
> Cc: linux-media@xxxxxxxxxxxxxxx
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Acked-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>

Thanks!

	Hans

> ---
>  Documentation/driver-api/gpio/drivers-on-gpio.rst | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/driver-api/gpio/drivers-on-gpio.rst b/Documentation/driver-api/gpio/drivers-on-gpio.rst
> index 7da0c1dd1f7a..f3a189320e11 100644
> --- a/Documentation/driver-api/gpio/drivers-on-gpio.rst
> +++ b/Documentation/driver-api/gpio/drivers-on-gpio.rst
> @@ -85,6 +85,10 @@ hardware descriptions such as device tree or ACPI:
>    any other serio bus to the system and makes it possible to connect drivers
>    for e.g. keyboards and other PS/2 protocol based devices.
>  
> +- cec-gpio: drivers/media/platform/cec-gpio/ is used to interact with a CEC
> +  Consumer Electronics Control bus using only GPIO. It is used to communicate
> +  with devices on the HDMI bus.
> +
>  Apart from this there are special GPIO drivers in subsystems like MMC/SD to
>  read card detect and write protect GPIO lines, and in the TTY serial subsystem
>  to emulate MCTRL (modem control) signals CTS/RTS by using two GPIO lines. The
> 

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