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Date:   Tue, 12 Jan 2021 17:44:34 +0100
From:   Wolfram Sang <>
Cc:     Hans Verkuil <>,
        Mauro Carvalho Chehab <>,,
Subject: Re: [PATCH RFC 2/3] media: i2c: adv7842: remove open coded version
 of SMBus block read

On Tue, Jan 12, 2021 at 05:41:28PM +0100, Wolfram Sang wrote:
> The open coded version differs from the one in the core in one way: the
> buffer will be always copied back, even when the transfer failed. It
> looks like it is expected that the sanity check for a correct CRC and
> header will bail out later.
> Use the block read from the I2C core and propagate a potential errno
> further to the sanity check.
> Signed-off-by: Wolfram Sang <>

$subject should say "adv7511", sorry!

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