linux-kernel - Re: [PATCH v12 0/2] Initial Allwinner V3s CSI Support

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Date:   Wed, 14 Nov 2018 12:54:13 +0200
From:   Sakari Ailus <sakari.ailus@....fi>
To:     Yong Deng <yong.deng@...ewell.com>
Cc:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Todor Tomov <todor.tomov@...aro.org>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
Subject: Re: [PATCH v12 0/2] Initial Allwinner V3s CSI Support

On Tue, Oct 30, 2018 at 04:09:48PM +0800, Yong Deng wrote:
> I can't make v4l2-compliance always happy.
> The V3s CSI support many pixformats. But they are not always available.
> It's dependent on the input bus format (MEDIA_BUS_FMT_*). 
> Example:
> V4L2_PIX_FMT_SBGGR8: MEDIA_BUS_FMT_SBGGR8_1X8
> V4L2_PIX_FMT_YUYV: MEDIA_BUS_FMT_YUYV8_2X8
> But I can't get the subdev's format code before starting stream as the
> subdev may change it. So I can't know which pixformats are available.
> So I exports all the pixformats supported by SoC.
> The result is the app (v4l2-compliance) is likely to fail on streamon.
> 
> This patchset add initial support for Allwinner V3s CSI.
> 
> Allwinner V3s SoC features a CSI module with parallel interface.
> 
> This patchset implement a v4l2 framework driver and add a binding 
> documentation for it. 

Applied with this diff from Maxime:

<URL:http://code.bulix.org/vf7b6g-504515?raw>

The MAINTAINERS entry was also moved to the first patch.

Thanks!

-- 
Sakari Ailus
e-mail: sakari.ailus@....fi