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Date:   Mon, 22 Aug 2022 09:54:26 +0200
From:   Marco Felsch <m.felsch@pengutronix.de>
To:     Sakari Ailus <sakari.ailus@linux.intel.com>
Cc:     mchehab@kernel.org, laurent.pinchart+renesas@ideasonboard.com,
        jacopo+renesas@jmondi.org, akinobu.mita@gmail.com,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel@pengutronix.de
Subject: Re: [PATCH 3/4] media: mt9m111: fix device power usage
Message-ID: <20220822075426.qjgxue7sjehazga4@pengutronix.de>
References: <20220818144712.997477-1-m.felsch@pengutronix.de>
 <20220818144712.997477-3-m.felsch@pengutronix.de>
 <YwMix1+Bm1jEbWqv@paasikivi.fi.intel.com>
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Hi Sakari,

On 22-08-22, Sakari Ailus wrote:
> Hi Marco,
> 
> On Thu, Aug 18, 2022 at 04:47:11PM +0200, Marco Felsch wrote:
> > Currently the driver turn off the power after probe and toggle it during
> > .stream by using the .s_power callback. This is problematic since other
> > callbacks like .set_fmt accessing the hardware as well which will fail.
> > So in the end the default format is the only supported format.
> 
> It'd be much better to add runtime PM support to the driver instead.

I got your point, but didn't have the time for it right now, I will drop
the patch from my v2.

Regards,
  Marco

> 
> -- 
> Sakari Ailus
>