From patchwork Thu Dec 29 13:31:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 88483 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1pAt1x-008Dbf-Ru; Thu, 29 Dec 2022 13:33:10 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233459AbiL2Ncw (ORCPT + 1 other); Thu, 29 Dec 2022 08:32:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233351AbiL2Nca (ORCPT ); Thu, 29 Dec 2022 08:32:30 -0500 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B397E10B7C; Thu, 29 Dec 2022 05:32:28 -0800 (PST) Received: from booty.fritz.box (unknown [77.244.183.192]) (Authenticated sender: luca.ceresoli@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id B4B8EFF80D; Thu, 29 Dec 2022 13:32:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1672320747; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3nz5wNe+Z1nzIXUX/JoabalYq7SA6k1PNej8sIBUtyg=; b=ataXZHP1ot1/L18b70FdiUNXNSN61iY8tQ871oCluO9n9CmpAW2lxnU9pxee/2+gugDcQO 4ZPuj9bE5yx/6/8Ynk3WIJwa7BRnEtH4ONGtoRCg+MfdgJ7UgfrZ9ONjwRAP+k+peLvM1x LKlGLQ8TE5ZJwDXL/MGpjROc+5ZvVeomKWk40F78p4zR7ci27RO/YW0n+sT9kdOV+4Huji Rm/sZSwF8AGvQaxwt6DExIaUm9FfrTC7UCUu7+QsMse1ZzvNJs3I7b3CoeKywI6dKfboq8 juamKewugOlvP/rGU3VVEmMIpyUV1/njUGp8LFSDoY6FRFhKBpTdOxwrBfpoyw== From: Luca Ceresoli To: Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Luca Ceresoli , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Mauro Carvalho Chehab , Greg Kroah-Hartman , Dmitry Osipenko , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Thomas Petazzoni , Paul Kocialkowski , Richard Leitner Subject: [PATCH v3 05/21] staging: media: tegra-video: document tegra_channel_get_remote_source_subdev Date: Thu, 29 Dec 2022 14:31:49 +0100 Message-Id: <20221229133205.981397-6-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221229133205.981397-1-luca.ceresoli@bootlin.com> References: <20221229133205.981397-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS 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 autolearn=ham autolearn_force=no Clarify what this function does. Signed-off-by: Luca Ceresoli --- No changes in v3 No changes in v2 --- drivers/staging/media/tegra-video/vi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 9dba6e97ebdd..6aecdd28bd82 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -154,6 +154,9 @@ tegra_channel_get_remote_csi_subdev(struct tegra_vi_channel *chan) return media_entity_to_v4l2_subdev(pad->entity); } +/* + * Walk up the chain until the initial source (e.g. image sensor) + */ struct v4l2_subdev * tegra_channel_get_remote_source_subdev(struct tegra_vi_channel *chan) {