From patchwork Wed Mar 13 07:24:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 780213 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 5290215EB0 for ; Wed, 13 Mar 2024 07:25:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710314759; cv=none; b=cracjLXJmCshaV7Dm34HNhpOR3ILq/R1OKP0EDlW1nI47SP10xOXnzQaD/oYdT56cv5WQ9IsdEttDE+sbaitFKZWud1jQqBlhlJn/HS7RUVJGAdQ61BajnIZoUa1yeRQnSKHOFfGsUjxXkrkVofFnHKpLmrpO9byabyAFRbPQ0k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710314759; c=relaxed/simple; bh=PpRPDUWluOYPJ8jvx/A4nvtUu3YvPppn3hJiDbS4UIw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Zi8wNv0gfr3BVaRAZNHQUgbkRyIewJcGMu74rO0y1lW3g1s2iq0x41VdjN1i6vZMhItrRYSg0s5Vu0gTnTssSytp/+KxIZgXWTKHh3WcGAA84ClqOyUNXkxJYue9SpYAkpWZvPACs4Iaf4YUzClPkuWErlzv/eEzIUrQJolwLyU= 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=EqZsfvgi; arc=none smtp.client-ip=192.198.163.8 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="EqZsfvgi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710314758; x=1741850758; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PpRPDUWluOYPJ8jvx/A4nvtUu3YvPppn3hJiDbS4UIw=; b=EqZsfvgiDcE/XPGqLptFUfpJEMgwd6z0X29gG/BfsFaOijccLC2Y1pmn +ckhQI5j9dQ50ouYZYYnSDqTr95jG0ecIo7VaCz9Sg/fb/bdJ5cSQJ1jb okvGBivuk4+GvnxNLCHZuLP+fwJBJ+cq0NR4tqaxrn8PkBE20MrrL1TYe CODJnuS5dCOtKDoEmLaRnGj2nOAI2NEyyz7cXzgpgd1MZNJ2SVnXHG3kh nBfc5gdpZtBzowJxqog/jKpJoitM5IkUOsVufRjfcw9OdTosYUfrVMi+f Sm8+5IZpVVjDM3EKFsZTfEqQCNf42DnFHGkipIj3CFmZ8EqxCs/4TykEh w==; X-IronPort-AV: E=McAfee;i="6600,9927,11011"; a="22575610" X-IronPort-AV: E=Sophos;i="6.07,119,1708416000"; d="scan'208";a="22575610" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Mar 2024 00:25:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,119,1708416000"; d="scan'208";a="42816447" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Mar 2024 00:25:46 -0700 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id F32051201C3; Wed, 13 Mar 2024 09:25:42 +0200 (EET) 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 v8 17/38] media: v4l: subdev: Add trivial set_routing support Date: Wed, 13 Mar 2024 09:24:55 +0200 Message-Id: <20240313072516.241106-18-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240313072516.241106-1-sakari.ailus@linux.intel.com> References: <20240313072516.241106-1-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 Reviewed-by: Julien Massot Reviewed-by: Laurent Pinchart --- 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 a6107e440ef0..c8c435df92c8 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -930,6 +930,20 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg, memset(routing->reserved, 0, sizeof(routing->reserved)); + /* + * If the driver doesn't support setting routing, just return + * the routing table here. + */ + 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; + } + for (i = 0; i < routing->num_routes; ++i) { const struct v4l2_subdev_route *route = &routes[i]; const struct media_pad *pads = sd->entity.pads;