linux-kernel - Re: [Patch v2 15/20] media: ti-vpe: cal: Add subdev s

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Message-ID: <20191106205951.v7iisesmy7hcvozo@ti.com>
Date:   Wed, 6 Nov 2019 14:59:51 -0600
From:   Benoit Parrot <bparrot@...com>
To:     Sakari Ailus <sakari.ailus@....fi>
CC:     Hans Verkuil <hverkuil@...all.nl>, <linux-media@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [Patch v2 15/20] media: ti-vpe: cal: Add subdev s_power hooks

Sakari Ailus <sakari.ailus@....fi> wrote on Wed [2019-Nov-06 11:08:39 +0200]:
> Hi Benoit,
> 
> On Mon, Nov 04, 2019 at 01:31:35PM -0600, Benoit Parrot wrote:
> > Based on V4L2 documentations bridge driver must power on and off sub
> > device explicitly if media-controller mode is not used.
> 
> This isn't really related to MC but the fact that V4L2 still uses a
> V4L2-specific way to manage power state of devices that predates runtime
> PM.

I'll fix the description.

> 
> -- 
> Regards,
> 
> Sakari Ailus