From patchwork Wed Apr 24 12:22:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 13641793 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 38D2515CD56 for ; Wed, 24 Apr 2024 12:23:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713961390; cv=none; b=fZ4eoJp8PL+OwQrGdEuzuUryLeC6xzcS4XLblfkScoVY2nv0iWo0IoNcjc7SSybYWoTf2Psm4OHBNwKa7CwW0001WFaAxSz2OE8B43bNQXmXPfHOb5mDw56/mhD7/FGVXlkgMaXRtqDIyofkdAipcU5Z2xdyH6rH/SIKqbTbWLM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713961390; c=relaxed/simple; bh=vtKidzEiteD4Zt3ZEwOL3l5My0ctl6N0bmuqu/Q2EoA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=lg/h/ic8Lf6O5PG7CwrgRav++QxnGriLm1+KJh3ocIzrH7T+nHy1YCbJKtpj9BzBiQUqxp4FgLm1d9RydzgJ794r8B0KL3QvzGsNCX4UghQH5SwUoAql/g2VEgS46z4Nt1aTVP9HLeESg7Up1WkzDUxlyQjYfbOxu20nnApxbGY= 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=acvYAlh3; arc=none smtp.client-ip=192.198.163.14 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="acvYAlh3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713961389; x=1745497389; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vtKidzEiteD4Zt3ZEwOL3l5My0ctl6N0bmuqu/Q2EoA=; b=acvYAlh3yIRZZaC5WGRDaJ46phRYC4aJyjDjSDL41SFniKiW+q+Ay3ob OCWlWrYvVbN0YDHkkLOa7GD527/pAm0AwFrO43stqFUMgpGYeJ7PdoHw0 X85/dVLaz5jU/8bRtl3Lt3sYBrV5EFWj+4RRHItS36lWqTHjdRXUvbP2l GxZaBxiN+RgTamczfPtO+mGNICThnLyeaKNPSfIpDpFmaZZxQ4J5CcFUZ 7V26VadxipmbYqHDwwP9MEL+6GcCwFp+SJXMzCVfRIeOdhLz2BH/gqcNh Www6RUf/iMI/0wHbUT7AED3dRv4k6K8Mjza0a4qRTOMP4f0a80BGetUey A==; X-CSE-ConnectionGUID: IMQ0BBmvSpu9Or71GsCn3w== X-CSE-MsgGUID: tqF9ZiaXTmOuIR56L4wQEg== X-IronPort-AV: E=McAfee;i="6600,9927,11053"; a="9809740" X-IronPort-AV: E=Sophos;i="6.07,226,1708416000"; d="scan'208";a="9809740" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Apr 2024 05:23:06 -0700 X-CSE-ConnectionGUID: T3+hvzntRRm7M05D2LZssg== X-CSE-MsgGUID: mq7TFIWJQ9+oG1VVN79OnQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,226,1708416000"; d="scan'208";a="29512945" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Apr 2024 05:23:04 -0700 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id D2E0811FA8A; Wed, 24 Apr 2024 15:23:00 +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 14/14] media: v4l: subdev: Add trivial set_routing support Date: Wed, 24 Apr 2024 15:22:37 +0300 Message-Id: <20240424122237.875000-15-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240424122237.875000-1-sakari.ailus@linux.intel.com> References: <20240424122237.875000-1-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;