[PATCH v3 07/11] drm: sun4i: Add support for enabling DDC I2C bus power to dw_hdmi glue

[Maxime Ripard]

On Thu, Apr 11, 2019 at 12:19:47PM +0200, megous at megous.com wrote:
> From: Ondrej Jirman <megous at megous.com>
>
> Orange Pi 3 board requires enabling DDC I2C bus via some GPIO connected
> transistors, before the bus can be used.
>
> Model this as a power supply for DDC bus on the HDMI connector connected
> to the output port (port 1) of the HDMI controller.
>
> Signed-off-by: Ondrej Jirman <megous at megous.com>
> ---
>  drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 60 ++++++++++++++++++++++++++-
>  drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h |  2 +
>  2 files changed, 60 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
> index 39d8509d96a0..1b6ffba41177 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
> @@ -98,6 +98,30 @@ static u32 sun8i_dw_hdmi_find_possible_crtcs(struct drm_device *drm,
>  	return crtcs;
>  }
>
> +static int sun8i_dw_hdmi_find_connector_pdev(struct device *dev,
> +					     struct platform_device **pdev_out)
> +{
> +	struct platform_device* pdev;

This doesn't respect the guidelines.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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