From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 A056833F59A for ; Thu, 9 Apr 2026 20:15:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775765738; cv=none; b=L9GnpuO+fSUAOR6uUqsSCruUPaYEf+cSF1b07bao9aUT0kIOljIyfWxHv934uapfF87u9/kiLGyG0ZNLIOH2wxDok/Y29g7TeObB/96/PAQTosw/Dp/d/nMC2/4SjsMpU7SMAg0aFOoulBDGLLyhK0T57jGYtrE1y9cXTPJhLYY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775765738; c=relaxed/simple; bh=Sesa5MhY6wIJI0gwTuXPS/ArP8FCpS+O40MQjpswRwQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PZ8zYSrLj34kl3LyjSb1OyR3lQzGi0fdnuxGPFfXIZ+cIvkWteeY1oKbIRIG+G0EUVxinvSF+BOVH/v4Ly8lZ853pvwuMNEgrWdtWlce2uyIptQ7lcP5w5Lm+SldEejYNXePZoIhOABDxJYHZqh+m7VbDPtDO9OUETRPZoInLo0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Mj9zWyKo; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass 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="Mj9zWyKo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1775765738; x=1807301738; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Sesa5MhY6wIJI0gwTuXPS/ArP8FCpS+O40MQjpswRwQ=; b=Mj9zWyKoFr1kwjm3EEj0GsM+X17+AoXeBrEnN8vA+LWAYa+MbKR5/FxI ofUPitiPJ+Km6JLdGBY0A0J3cmcpBMqvX2alXxmw/PFUqlfk0PbPzXn3o D+DbuQl6IKtA7jeeXU0l4Y/LsAk+1aDWXnpSoNmy7F/AHD+xKhBYK24Mj B9Em59bzpxsNNeMkuBSSSMJ5P3mVKNM8L/W3m+66Tk+rwU3xftedjX/SQ I+juNnuZsuI+Vj/jnk52gpBMs+vAgVMWzpRUYmPydDMuAL4H3KK9Z+RHs Fw8gFLVfQmDxCmfg5gqMgQl/kNKacIVlQmMmJo7Mggmf9VbZDy/nmkq79 g==; X-CSE-ConnectionGUID: TDDL3PpMSbuZmnk8hwhPoQ== X-CSE-MsgGUID: 1xmI/zCHRW6zq5xKPiC22g== X-IronPort-AV: E=McAfee;i="6800,10657,11754"; a="94176637" X-IronPort-AV: E=Sophos;i="6.23,170,1770624000"; d="scan'208";a="94176637" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Apr 2026 13:15:33 -0700 X-CSE-ConnectionGUID: sMoLcnnRReGF+4KsJkDNjA== X-CSE-MsgGUID: 0vjgg6+MTQW6h7ML3Gm2Ig== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,170,1770624000"; d="scan'208";a="228047618" Received: from dalessan-mobl3.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.244.29]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Apr 2026 13:15:27 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id BE5EC122902; Thu, 09 Apr 2026 23:15:13 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1wAvmI-000000045n7-0rWG; Thu, 09 Apr 2026 23:15:02 +0300 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: linux-media@vger.kernel.org Cc: hans@jjverkuil.nl, laurent.pinchart@ideasonboard.com, Prabhakar , Kate Hsuan , Dave Stevenson , Tommaso Merciai , Benjamin Mugnier , Sylvain Petinot , Christophe JAILLET , Julien Massot , Naushir Patuck , Stefan Klug , Mirela Rabulea , =?UTF-8?q?Andr=C3=A9=20Apitzsch?= , Heimir Thor Sverrisson , Kieran Bingham , Mehdi Djait , Ricardo Ribalda Delgado , Hans de Goede , Jacopo Mondi , Tomi Valkeinen , David Plowman , "Yu, Ong Hock" , "Ng, Khai Wen" , Jai Luthra , Rishikesh Donadkar Subject: [PATCH v12 38/86] media: Documentation: Document streaming behaviour for common raw cameras Date: Thu, 9 Apr 2026 23:14:13 +0300 Message-ID: <20260409201501.975242-39-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260409201501.975242-1-sakari.ailus@linux.intel.com> References: <20260409201501.975242-1-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 Content-Transfer-Encoding: 8bit Document that streaming control is based on stream number 0 and additional streams need to be started before that. Signed-off-by: Sakari Ailus --- .../userspace-api/media/v4l/subdev-config-model.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/subdev-config-model.rst b/Documentation/userspace-api/media/v4l/subdev-config-model.rst index 1923ccbafdd0..3d0f14dfdded 100644 --- a/Documentation/userspace-api/media/v4l/subdev-config-model.rst +++ b/Documentation/userspace-api/media/v4l/subdev-config-model.rst @@ -99,6 +99,16 @@ following routes. Support for the embedded data stream is optional. Drivers supporting the embedded data stream may allow disabling and enabling the route. +Starting and stopping streaming +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Starting and stopping streaming is controlled through the stream number 0; if +there's a desire to capture additional streams, such streams need to be started +before stream 0. All streams start and stop at the same moment. + +This is subject to change in the future through additional API elements while +the default behaviour will be maintained. + Sensor pixel array size, cropping and binning ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -- 2.47.3