linux-kernel - RE: [PATCH v11 3/5] media: i2c: imx334: support lower bandwidth mode

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Date:   Wed, 22 Feb 2023 10:20:56 +0000
From:   <Shravan.Chippa@...rochip.com>
To:     <sakari.ailus@....fi>, <Conor.Dooley@...rochip.com>
CC:     <paul.j.murphy@...el.com>, <daniele.alessandrelli@...el.com>,
        <mchehab@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <shawnguo@...nel.org>,
        <s.hauer@...gutronix.de>, <kernel@...gutronix.de>,
        <festevam@...il.com>, <linux-imx@....com>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <jacopo.mondi@...asonboard.com>, <Prakash.Battu@...rochip.com>
Subject: RE: [PATCH v11 3/5] media: i2c: imx334: support lower bandwidth mode

Hi Sakari,

> -----Original Message-----
> From: Sakari Ailus <sakari.ailus@....fi>
> Sent: 22 February 2023 03:36 PM
> To: Conor Dooley - M52691 <Conor.Dooley@...rochip.com>
> Cc: shravan Chippa - I35088 <Shravan.Chippa@...rochip.com>;
> paul.j.murphy@...el.com; daniele.alessandrelli@...el.com;
> mchehab@...nel.org; robh+dt@...nel.org;
> krzysztof.kozlowski+dt@...aro.org; shawnguo@...nel.org;
> s.hauer@...gutronix.de; kernel@...gutronix.de; festevam@...il.com;
> linux-imx@....com; linux-media@...r.kernel.org; linux-
> kernel@...r.kernel.org; devicetree@...r.kernel.org; linux-arm-
> kernel@...ts.infradead.org; Jacopo Mondi
> <jacopo.mondi@...asonboard.com>; Battu Prakash Reddy - I30399
> <Prakash.Battu@...rochip.com>
> Subject: Re: [PATCH v11 3/5] media: i2c: imx334: support lower bandwidth
> mode
> 
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the
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> 
> On Wed, Feb 22, 2023 at 12:03:10PM +0200, Sakari Ailus wrote:
> > On Wed, Feb 22, 2023 at 09:58:48AM +0000, Conor Dooley wrote:
> > > On Wed, Feb 22, 2023 at 11:14:29AM +0200, Sakari Ailus wrote:
> > > > On Wed, Feb 08, 2023 at 10:39:13AM +0530, shravan kumar wrote:
> > > > > From: Shravan Chippa <shravan.chippa@...rochip.com>
> > >
> > > > > @@ -666,11 +885,26 @@ static int imx334_init_pad_cfg(struct
> v4l2_subdev *sd,
> > > > >         struct v4l2_subdev_format fmt = { 0 };
> > > > >
> > > > >         fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY :
> V4L2_SUBDEV_FORMAT_ACTIVE;
> > > > > -       imx334_fill_pad_format(imx334, &supported_mode, &fmt);
> > > > > +       imx334_fill_pad_format(imx334, &supported_modes[0],
> > > > > + &fmt);
> > > >
> > > > Now that there are multiple modes supported, this would appear to
> > > > get the width, height as well as the other fields (apart from mbus
> > > > code) from the first mode.
> > >
> > > Is this statement supposed to be a request to change something, or
> > > just a throwaway comment? It's a little hard for me to understand
> > > your intention here, sorry.
> >
> > Just pointing to what looks like a bug.
> 
> Ah, my bad. Please ignore the comment.
> 
> This is indeed about init_cfg(), not s_fmt().
> 

I will try to fix init_cfg()

Thanks,
Shravan.

> --
> Sakari Ailus