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Message-ID: <ZMo6gtN/4sQz44tH@kekkonen.localdomain>
Date: Wed, 2 Aug 2023 11:14:10 +0000
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc: Jai Luthra <j-luthra@...com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Maxime Ripard <mripard@...nel.org>,
niklas.soderlund+renesas@...natech.se,
Benoit Parrot <bparrot@...com>,
Vaishnav Achath <vaishnav.a@...com>,
Vignesh Raghavendra <vigneshr@...com>, nm@...com,
devarsht@...com
Subject: Re: [PATCH v8 16/16] media: ti: Add CSI2RX support for J721E
Moi,
On Wed, Aug 02, 2023 at 02:04:57PM +0300, Tomi Valkeinen wrote:
> > +static int ti_csi2rx_enum_fmt_vid_cap(struct file *file, void *priv,
> > + struct v4l2_fmtdesc *f)
> > +{
> > + const struct ti_csi2rx_fmt *fmt = NULL;
> > +
> > + if (f->mbus_code) {
> > + if (f->index > 0)
> > + return -EINVAL;
>
> This fails to enumerate the formats if mbus_code is set, doesn't it?
This is intentional: if the mbus_code field is set, you're supposed to get
only format(s) corresponding to that mbus code.
>
> > +
> > + fmt = find_format_by_code(f->mbus_code);
> > + } else {
> > + if (f->index >= num_formats)
> > + return -EINVAL;
> > +
> > + fmt = &formats[f->index];
> > + }
> > +
> > + if (!fmt)
> > + return -EINVAL;
> > +
> > + f->pixelformat = fmt->fourcc;
> > + memset(f->reserved, 0, sizeof(f->reserved));
> > + f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
> > +
> > + return 0;
> > +}
--
Sakari Ailus
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