From patchwork Wed Nov 9 14:18:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 13038452 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 09BD3C4332F for ; Thu, 10 Nov 2022 08:49:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C7268825B; Thu, 10 Nov 2022 08:48:47 +0000 (UTC) Received: from mslow1.mail.gandi.net (mslow1.mail.gandi.net [217.70.178.240]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2837A8920D for ; Wed, 9 Nov 2022 14:30:59 +0000 (UTC) Received: from relay9-d.mail.gandi.net (unknown [217.70.183.199]) by mslow1.mail.gandi.net (Postfix) with ESMTP id 89391C3E7E for ; Wed, 9 Nov 2022 14:19:38 +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 C8C17FF816; Wed, 9 Nov 2022 14:19:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1668003575; 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=f3PNKMdE0RdXN+WZAH+jyICgofcfEBOVB1XLcjAJPYg=; b=kUCW3DmgNBxhDT17iQQtq7wcue3w6JrwUt/g0ar9zWGvH3hoFA6gLKC6DTVI0ifxYfHAV3 My6pfQeMHKG+M/dmj8M1wSd26Tuio6ftjajAUxTcgOaNVWp01LYEuU6da/ja/5WWAS2QvQ qETmB0VfhJljXyuvFcptHxZTmsN0zFDpWfl2X9FINLSuvXz4h9LlK13XX8gGvTfb27zUPv ThI1DYj+g3dd3ZnMTyiCpC5SZoOOeRTdCcEiG+S2vW7bz2jp5AhjzzwhARFjVWai7NvVOx 63D2j5DDnna7fKYrJwc4OVVpIu3gbJUPFJXkUUHmZYHFYEdFA3xvGkcGc1PhaA== From: luca.ceresoli@bootlin.com To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Mauro Carvalho Chehab , Greg Kroah-Hartman , Hans Verkuil , Dmitry Osipenko Subject: [PATCH 07/23] staging: media: tegra-video: document tegra_channel_get_remote_source_subdev Date: Wed, 9 Nov 2022 15:18:36 +0100 Message-Id: <20221109141852.729246-8-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221109141852.729246-1-luca.ceresoli@bootlin.com> References: <20221109141852.729246-1-luca.ceresoli@bootlin.com> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 10 Nov 2022 08:47:29 +0000 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, 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" From: Luca Ceresoli Clarify what this function does. Signed-off-by: Luca Ceresoli --- 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) {