From patchwork Fri Aug 26 18:32:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 12956439 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5CCDAECAAD7 for ; Fri, 26 Aug 2022 18:33:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344790AbiHZSdp (ORCPT ); Fri, 26 Aug 2022 14:33:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344205AbiHZSdg (ORCPT ); Fri, 26 Aug 2022 14:33:36 -0400 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11A09E3C03; Fri, 26 Aug 2022 11:33:23 -0700 (PDT) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 36BD0FF809; Fri, 26 Aug 2022 18:33:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1661538802; 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=OgLbVt95IswN57OD3YbDIdTcpan29K7wlu0knN7p7nY=; b=LRlT4AXWb0ovaSKo4ELb2Pfw8HkFLh8sjBPS1gwwZyhXoSptFrJ/Nx92YmBHyVJSAUN/8b lnHlZ9jP70rblinW37OSYOJDNKcuXShGcvbc/P54gx1zWKm4KMEdDH6ZVOHvG3Bis0+py0 OgHHA2Nf5H4RluGw5gW5OrURfNLlUWAK83HgxIv/JLQjzWWZ7ynzHNcTmORAIbMpsDhGvx woOtqk5V837OzB+iCdDkqugiQRLbGzfQmlP2kPXX+GVAFQlnguod2gkkwjWDgVkULACxsd OY6y/tlM/5SyFizzw1yQn106Lk7p4QuaAQWxjXap9LM8O67FEk7o0W8l1A2WEg== From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: Yong Deng , Paul Kocialkowski , Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Laurent Pinchart , Maxime Ripard , Thomas Petazzoni Subject: [PATCH v6 13/43] media: sun6i-csi: Add media ops with link notify callback Date: Fri, 26 Aug 2022 20:32:10 +0200 Message-Id: <20220826183240.604834-14-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220826183240.604834-1-paul.kocialkowski@bootlin.com> References: <20220826183240.604834-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org In order to keep the power use count fields balanced when link changes happen between v4l2_pipeline_pm_get/set calls (in open/close), the link_notify media operation callback needs to be registered. Signed-off-by: Paul Kocialkowski Acked-by: Jernej Skrabec --- drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c index d74eaa3132d6..8b99c17e8403 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c @@ -23,6 +23,7 @@ #include #include #include +#include #include "sun6i_csi.h" #include "sun6i_csi_reg.h" @@ -574,6 +575,12 @@ void sun6i_csi_set_stream(struct sun6i_csi_device *csi_dev, bool enable) CSI_CAP_CH0_VCAP_ON); } +/* Media */ + +static const struct media_device_ops sun6i_csi_media_ops = { + .link_notify = v4l2_pipeline_link_notify, +}; + /* V4L2 */ static int sun6i_csi_link_entity(struct sun6i_csi_device *csi_dev, @@ -681,6 +688,7 @@ static int sun6i_csi_v4l2_setup(struct sun6i_csi_device *csi_dev) strscpy(media_dev->model, SUN6I_CSI_DESCRIPTION, sizeof(media_dev->model)); media_dev->hw_revision = 0; + media_dev->ops = &sun6i_csi_media_ops; media_dev->dev = dev; media_device_init(media_dev);