From patchwork Mon Nov 28 15:23:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 13057690 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CC5C1C433FE for ; Mon, 28 Nov 2022 15:24:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8059E10E29F; Mon, 28 Nov 2022 15:24:45 +0000 (UTC) Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [IPv6:2001:4b98:dc4:8::231]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0354210E206 for ; Mon, 28 Nov 2022 15:24:21 +0000 (UTC) Received: from booty.fritz.box (unknown [77.244.183.192]) (Authenticated sender: luca.ceresoli@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id B75B8100006; Mon, 28 Nov 2022 15:24:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1669649059; 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=RoMDwf3xqKYueuSpR2HfCTCREn/qoJjq+QmVjrebPsE=; b=mmGQEmMV8d3XHqD1H8VmQoYs68HeMrY7q/TucHaOrkeVwbWWr/khMJDOoSi+pD5sJDbBT5 hg4De2APQO1tZN+xoYlh8NfOiTLG9oC2MmhWErTzfsX4olF9nF9mq8xDaOAxCsjJ811LeM 5HCr/+tVzMRbppr4b6GaD+R9lZzv2wX/pliD/wevIASIoICmbzV8U0Jj9uISuwgbITKDST 1OpS25XYCScDlSlU4D8rRGmey0+WUdnYPO2FXKLV6nZgMd28gR96bz1+5MhZMcZ1Gf60rZ 65K7EqsJDsGnn0K3oErzgxy79eG54sAwGiOEkG/3shbrzTAZbVGoaElaXBg/pg== From: Luca Ceresoli To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Mauro Carvalho Chehab , Greg Kroah-Hartman , Dmitry Osipenko , Hans Verkuil Subject: [PATCH v2 05/21] staging: media: tegra-video: document tegra_channel_get_remote_source_subdev Date: Mon, 28 Nov 2022 16:23:20 +0100 Message-Id: <20221128152336.133953-6-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221128152336.133953-1-luca.ceresoli@bootlin.com> References: <20221128152336.133953-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Paul Kocialkowski , Thomas Petazzoni , linux-tegra@vger.kernel.org, Richard Leitner , Luca Ceresoli , linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Clarify what this function does. Signed-off-by: Luca Ceresoli --- 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 0fe3c7f6d234..8a7512ce2273 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) {