From patchwork Tue Mar 1 16:11:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 81195 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1nP57d-004SEy-QB; Tue, 01 Mar 2022 16:13:10 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236069AbiCAQNr (ORCPT + 1 other); Tue, 1 Mar 2022 11:13:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236057AbiCAQNo (ORCPT ); Tue, 1 Mar 2022 11:13:44 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2404513CD4 for ; Tue, 1 Mar 2022 08:13:03 -0800 (PST) Received: from deskari.lan (91-156-85-209.elisa-laajakaista.fi [91.156.85.209]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id E0FEE37B6; Tue, 1 Mar 2022 17:12:44 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1646151165; bh=kdljCEFvRgj27rC2udfcF2Xw9M6rcNi0cbUflSSpqpE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vN/CLNbQZ4NenfQ7LD2iUURqnfJtpon3nvEb9Nfo8MuM7LnlbwFAIT91LjY+JzpQ3 bDV8vp2fMa5oPg+WHZek/LNthDqLyKR3xnwlxH+Fj3BEUSap0krkbATsRx+7fWMOUO y5LS+aM1NQ53J6kJmurYBWbj1OaI8JreK8ELhOlw= From: Tomi Valkeinen To: linux-media@vger.kernel.org, sakari.ailus@linux.intel.com, Jacopo Mondi , Laurent Pinchart , niklas.soderlund+renesas@ragnatech.se, Mauro Carvalho Chehab , Hans Verkuil , Pratyush Yadav Cc: Tomi Valkeinen Subject: [PATCH v11 29/36] media: subdev: add v4l2_subdev_get_fmt() helper function Date: Tue, 1 Mar 2022 18:11:49 +0200 Message-Id: <20220301161156.1119557-30-tomi.valkeinen@ideasonboard.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220301161156.1119557-1-tomi.valkeinen@ideasonboard.com> References: <20220301161156.1119557-1-tomi.valkeinen@ideasonboard.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_NONE=-0.0001 autolearn=ham autolearn_force=no Add v4l2_subdev_get_fmt() helper function which implements v4l2_subdev_pad_ops.get_fmt using streams. Subdev drivers that do not need to do anything special in their get_fmt op can use this helper directly for v4l2_subdev_pad_ops.get_fmt. Signed-off-by: Tomi Valkeinen Reviewed-by: Hans Verkuil Reviewed-by: Jacopo Mondi --- drivers/media/v4l2-core/v4l2-subdev.c | 16 ++++++++++++++++ include/media/v4l2-subdev.h | 17 +++++++++++++++++ 2 files changed, 33 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index e65f802fe2aa..c1cc9b91dba7 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -1507,6 +1507,22 @@ v4l2_subdev_state_get_opposite_stream_format(struct v4l2_subdev_state *state, } EXPORT_SYMBOL_GPL(v4l2_subdev_state_get_opposite_stream_format); +int v4l2_subdev_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, + struct v4l2_subdev_format *format) +{ + struct v4l2_mbus_framefmt *fmt; + + fmt = v4l2_subdev_state_get_stream_format(state, format->pad, + format->stream); + if (!fmt) + return -EINVAL; + + format->format = *fmt; + + return 0; +} +EXPORT_SYMBOL_GPL(v4l2_subdev_get_fmt); + #endif /* CONFIG_MEDIA_CONTROLLER */ void v4l2_subdev_init(struct v4l2_subdev *sd, const struct v4l2_subdev_ops *ops) diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index ed3fe21637e6..a80830801a7f 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -1481,6 +1481,23 @@ struct v4l2_mbus_framefmt * v4l2_subdev_state_get_opposite_stream_format(struct v4l2_subdev_state *state, u32 pad, u32 stream); +/** + * v4l2_subdev_get_fmt() - Fill format based on state + * @sd: subdevice + * @state: subdevice state + * @format: pointer to &struct v4l2_subdev_format + * + * Fill @format based on the pad and stream given in the @format struct. + * + * This function can be used by the subdev drivers to implement + * v4l2_subdev_pad_ops.get_fmt if the subdev driver does not need to do + * anything special in their get_fmt op. + * + * Returns 0 on success, error value otherwise. + */ +int v4l2_subdev_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, + struct v4l2_subdev_format *format); + #endif /* CONFIG_MEDIA_CONTROLLER */ /**