From patchwork Thu Mar 9 14:43:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 1754677 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=gm1 header.b=LVAzo6U4; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4PXX4R1D7Cz246H for ; Fri, 10 Mar 2023 01:43:51 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231774AbjCIOnt (ORCPT ); Thu, 9 Mar 2023 09:43:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231578AbjCIOnp (ORCPT ); Thu, 9 Mar 2023 09:43:45 -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 7CFDB69225; Thu, 9 Mar 2023 06:43:42 -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 7E5E1FF80D; Thu, 9 Mar 2023 14:43:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1678373021; 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=sSPKBUlHMxZ38nxoDS7iekTdWfdlYMqEzH/0zTPar3c=; b=LVAzo6U4GRI3Wv3Vtn6jsbj3QAABlzPp/YkjzsOrHYXfBCg1GQm5JjQw6kQLvVs4jAlRkS dadwxj6hKnAqWVuQhA/tZWdv7VHkL5utB++BKEGwY9vJZFQZShAM0pvZd+MsLECi51UbMb z4TJD1cs+n4YpU4q5vM38asta5I02JlJ3M+a9ouFnKluo0/IKKSi0MQeoLZg7AyjVA/kGr cNOgEfUpw02ARHR1OOMZit3Rd/rfa+44nZuSLeNEg/TNVCFgg4DLWlpJbDfpkazBzcmMCk KNpEtEg1taMAJa+UoGXh7PBCV6MTFrmh/d1Tin8Wi6grhY6Iivts07Gcrkk1tg== From: Luca Ceresoli To: Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Mauro Carvalho Chehab , Greg Kroah-Hartman , Dmitry Osipenko , Hans Verkuil Cc: Luca Ceresoli , 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: [RESEND PATCH v4 05/21] staging: media: tegra-video: document tegra_channel_get_remote_source_subdev Date: Thu, 9 Mar 2023 15:43:04 +0100 Message-Id: <20230309144320.2937553-6-luca.ceresoli@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230309144320.2937553-1-luca.ceresoli@bootlin.com> References: <20230309144320.2937553-1-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-tegra@vger.kernel.org Clarify what this function does. Signed-off-by: Luca Ceresoli Reviewed-by: Dmitry Osipenko --- Changed in v4: - Added review tags 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) {