linux-kernel - Re: [PATCH 04/11] media: cedrus: Add helper for checking capabilities

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Message-ID: <Y1eChJS/0aEchtpH@kadam>
Date:   Tue, 25 Oct 2022 09:30:28 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     mripard@...nel.org, paul.kocialkowski@...tlin.com,
        mchehab@...nel.org, gregkh@...uxfoundation.org, wens@...e.org,
        samuel@...lland.org, hverkuil-cisco@...all.nl,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/11] media: cedrus: Add helper for checking capabilities

On Mon, Oct 24, 2022 at 10:15:08PM +0200, Jernej Skrabec wrote:
> There is several different Cedrus cores with varying capabilities, so
> some operations like listing formats depends on checks if feature is
> supported or not.
> 
> Currently check for capabilities is only in format enumeration helper,
> but it will be used also elsewhere later. Let's convert this check to
> helper and while at it, also simplify it. There is no need to check if
> capability mask is zero, condition will still work properly.

Sure.  That's true.  Out of curiousity, can cedrus_formats[i].capabilities
be zero?  Because it feels like that's what should be checked.

regards,
dan carpenter