From patchwork Fri Apr 26 08:50:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 13644366 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E2F9E13DDC1 for ; Fri, 26 Apr 2024 08:51:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714121466; cv=none; b=A4Lzq+TNbdOtr/FpEjs9GklKoebxw4vrdG2O++d762gw6VHmNLvtPv3+QEeZ3PleNTg5dYHgFCCiQp5BwsbaoZLcSCfk4EKJlDkmrU0M5d49kWaWZXwG5pRRvxrLXw/jNVsww4MJupLtvCIKLsK9VeEBB2b34oCT8a2y8QZm85w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714121466; c=relaxed/simple; bh=vtKidzEiteD4Zt3ZEwOL3l5My0ctl6N0bmuqu/Q2EoA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=WYgIB/rZz8N0Ppw1SFR1rWL//uGggD39dxzXeu/PtU26SgkLfN1cbFjbIxSZFTezihoCamSZcQGgWEjW82x5Lrd/QwffctpyN9MG3b0ZLLJQl6bNtI2GBSnMv5aCl99b85iocTh5rVsj5VDbxaqNDUbuS+6NgtySHlub3JbQRRo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=PZ5Ko/GS; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="PZ5Ko/GS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714121464; x=1745657464; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vtKidzEiteD4Zt3ZEwOL3l5My0ctl6N0bmuqu/Q2EoA=; b=PZ5Ko/GSQAaUzbD2DcmO3mkBrXXcU74heDu4W/33i6dxrfAHXPYOsJcv z9xqtbVabP/KT9pKeQpB+3Sy6mSiMJieToNAVLG5I+n56kbdQ0gDNmXYs +aVUtyAY3Utp82cw3MwuoaOfVLsT26stKwbnL/HBeT8c9RBHD+hEjbbwL HowN5Da2n2rMOqy90uKoE0yE7DXsrqZjvevnGmDthJW/QDL/kKvZs9T9K mwA0HgnEskbGz6JiiL2ezFKdR937tfAGIcpGiEgoWCyOyWWMweeomGhw5 BkEQ5FiqDaeX0bA7TbKTloLX2MyIa3SI/RF+jw+54KYdhTZYqoyaAAGYo g==; X-CSE-ConnectionGUID: bqDqP7/8RAGH7f6aZo9NOQ== X-CSE-MsgGUID: ksNt+M29SLie0rsWcVBzpA== X-IronPort-AV: E=McAfee;i="6600,9927,11055"; a="9683854" X-IronPort-AV: E=Sophos;i="6.07,232,1708416000"; d="scan'208";a="9683854" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2024 01:51:04 -0700 X-CSE-ConnectionGUID: InZ9BpngRwq9uvkkJhAGWw== X-CSE-MsgGUID: UCLSivM8QG2ueoRuQ0B8Pw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,232,1708416000"; d="scan'208";a="48598553" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2024 01:51:01 -0700 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 318F912067F; Fri, 26 Apr 2024 11:50:58 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: Laurent Pinchart , tomi.valkeinen@ideasonboard.com, bingbu.cao@intel.com, hongju.wang@intel.com, hverkuil@xs4all.nl, Andrey Konovalov , Jacopo Mondi , Dmitry Perchanov , "Ng, Khai Wen" , Alain Volmat Subject: [PATCH v3 14/14] media: v4l: subdev: Add trivial set_routing support Date: Fri, 26 Apr 2024 11:50:38 +0300 Message-Id: <20240426085038.943733-15-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240426085038.943733-1-sakari.ailus@linux.intel.com> References: <20240426085038.943733-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add trivial S_ROUTING IOCTL support for drivers where routing is static. Essentially this means returning the same information G_ROUTING call would have done. Signed-off-by: Sakari Ailus Co-developed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart Reviewed-by: Julien Massot --- drivers/media/v4l2-core/v4l2-subdev.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 3d1ed8ab5229..8470d6eda9a3 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -1013,6 +1013,20 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg, return -EINVAL; } + /* + * If the driver doesn't support setting routing, just return + * the routing table. + */ + if (!v4l2_subdev_has_op(sd, pad, set_routing)) { + memcpy((struct v4l2_subdev_route *)(uintptr_t)routing->routes, + state->routing.routes, + min(state->routing.num_routes, routing->len_routes) * + sizeof(*state->routing.routes)); + routing->num_routes = state->routing.num_routes; + + return 0; + } + krouting.num_routes = routing->num_routes; krouting.len_routes = routing->len_routes; krouting.routes = routes;