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Date:   Thu, 11 Apr 2019 14:25:08 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     megous@...ous.com
Cc:     linux-sunxi@...glegroups.com, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Naveen Gupta <naveen.gupta@...ress.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, linux-gpio@...r.kernel.org
Subject: Re: [PATCH v3 07/11] drm: sun4i: Add support for enabling DDC I2C
 bus power to dw_hdmi glue

On Thu, Apr 11, 2019 at 12:19:47PM +0200, megous@...ous.com wrote:
> From: Ondrej Jirman <megous@...ous.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@...ous.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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