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Date:   Mon, 22 Aug 2022 06:31:35 +0000
From:   Sakari Ailus <sakari.ailus@linux.intel.com>
To:     Marco Felsch <m.felsch@pengutronix.de>
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: <YwMix1+Bm1jEbWqv@paasikivi.fi.intel.com>
References: <20220818144712.997477-1-m.felsch@pengutronix.de>
 <20220818144712.997477-3-m.felsch@pengutronix.de>
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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.

-- 
Sakari Ailus