From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BDDEF2046A3 for ; Fri, 20 Dec 2024 13:22:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734700931; cv=none; b=ehz8EX4eGBX6VxKW3NxPupIcy8haCjfKXlHPeoeGB/Rgi/zBxint8zBe2gcy3Gaf8wkVto9TVFlS6Ic0LAmot6IxfCmTKZgzEJKDb3pcBB3y0Ctd8Hj+VL4LMiAyX6YdxMOzDg9sGFqrX6iaRElAsQD6lziSo7UvZGtm/grfBhM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734700931; c=relaxed/simple; bh=3uE1SazeSaeQNa2q7Z0JRYRw4NVOG+AvqfJDVH1aWvE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=LMcmo5PhVOktOL82CK4aExAbVcyvpzCik9DaQz+Dcx0MFSfqeuEDN1Vo4W6X4s1Z5Zhg4FnlBJx2Y9AaD1E81mMRfkH28HfaH1ztLo6FhMvPdiSW9LuKhEGvC5dK77GA0NyqX5L1DX5PBUhjKSXLZEraIuN5hwy79AhtXrF9Fu8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=wnRDt/Zp; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="wnRDt/Zp" Received: from [192.168.88.20] (91-157-155-49.elisa-laajakaista.fi [91.157.155.49]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A639A16A; Fri, 20 Dec 2024 14:21:28 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1734700889; bh=3uE1SazeSaeQNa2q7Z0JRYRw4NVOG+AvqfJDVH1aWvE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=wnRDt/ZpFUj5/atrERqLWZkBVCeXSJUkulCpNFj8qjbW0V/ZDAsS2XP23bvTCjYrM aaCVCXaDoYiwZoG5cEieqjncCFIkSrIp9Q9AmAN9HVT/4g7Plyd05Pld9DXdvm+GMm P5MeCo0tN44thTACIYdV4DXjRmM3NMSO/TwCcNfo= Message-ID: Date: Fri, 20 Dec 2024 15:22:05 +0200 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 5/9] media: Documentation: Receiver drivers should call v4l2_get_link_freq() To: Sakari Ailus , linux-media@vger.kernel.org Cc: Jacopo Mondi , hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com, bingbu.cao@intel.com References: <20241217215445.901459-1-sakari.ailus@linux.intel.com> <20241217215445.901459-6-sakari.ailus@linux.intel.com> Content-Language: en-US From: Tomi Valkeinen Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 17/12/2024 23:54, Sakari Ailus wrote: > Document that receiver drivers should call v4l2_get_link_freq() to obtain > the link frequency. > > Signed-off-by: Sakari Ailus > --- > Documentation/driver-api/media/tx-rx.rst | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/driver-api/media/tx-rx.rst b/Documentation/driver-api/media/tx-rx.rst > index 03768e5aa88f..0b8c9cde8ee4 100644 > --- a/Documentation/driver-api/media/tx-rx.rst > +++ b/Documentation/driver-api/media/tx-rx.rst > @@ -53,6 +53,9 @@ Drivers that do not have user-configurable link frequency should report it > through the ``.get_mbus_config()`` subdev pad operation, in the ``link_freq`` > field of struct v4l2_mbus_config, instead of through controls. > > +Receiver drivers should use :c:func:`v4l2_get_link_freq` helper to obtain the > +link frequency from the transmitter sub-device. > + > ``.enable_streams()`` and ``.disable_streams()`` callbacks > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > Reviewed-by: Tomi Valkeinen Tomi