From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2192C433E7 for ; Tue, 13 Oct 2020 15:36:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E628251DD for ; Tue, 13 Oct 2020 15:36:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730623AbgJMPgh (ORCPT ); Tue, 13 Oct 2020 11:36:37 -0400 Received: from retiisi.eu ([95.216.213.190]:54594 "EHLO hillosipuli.retiisi.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726749AbgJMPgg (ORCPT ); Tue, 13 Oct 2020 11:36:36 -0400 Received: from lanttu.localdomain (unknown [IPv6:2a01:4f9:c010:4572::e1:1002]) by hillosipuli.retiisi.eu (Postfix) with ESMTP id DF7B9634C87; Tue, 13 Oct 2020 18:35:25 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com Subject: [PATCH 0/2] Link frequency helper for receivers Date: Tue, 13 Oct 2020 18:36:31 +0300 Message-Id: <20201013153633.31022-1-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hi folks, Here's a small helper for getting the link frequency from the transmitter drivers. Besides being easy to use, it allows receiver drivers to work with old sensor drivers implementing just V4L2_CID_PIXEL_RATE control but not V4L2_CID_LINK_FREQ control. Using V4L2_CID_PIXEL_RATE is supported on parallel and CSI-2 D-PHY busses. Sakari Ailus (2): v4l: Add a helper for obtaining the link frequency ipu3-cio2: Use v4l2_get_link_freq helper drivers/media/pci/intel/ipu3/ipu3-cio2.c | 33 +++++++++--------------- drivers/media/v4l2-core/v4l2-common.c | 33 ++++++++++++++++++++++++ include/media/v4l2-common.h | 21 +++++++++++++++ 3 files changed, 66 insertions(+), 21 deletions(-) -- 2.27.0