From patchwork Thu Nov 23 19:57:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Detlev Casanova X-Patchwork-Id: 13466758 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="blq3IhC0" Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A2BCD40; Thu, 23 Nov 2023 12:04:50 -0800 (PST) Received: from arisu.hitronhub.home (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: detlev) by madras.collabora.co.uk (Postfix) with ESMTPSA id F0D726607394; Thu, 23 Nov 2023 20:04:47 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1700769889; bh=evQpatdSpAPghrML22AafRCMA0dH56j0IXL66sdx8zw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=blq3IhC03Ed7uBL4SLJO08fgcc0CcrQOW7ElJV5uF3ewtwdDLtgN7x30F6LSX2J8u 2cKl3/I/jY/xK7996HrbEvofMc2MZzVC5EV6KomLJrRPPVvx8M6Roq0OweI4L0L4Ek 5aGimsviZIfq54XsfG2l2TGS4UxOZsEtsE9RTLOQxyEXp5h7zyfLSDrwSe8fu9Qpsq 8PEvIkuF1iyPS4TemJmIPvWw/dWWtAOYbShGL+hQ031FFFVVbUNT9wik5lvYGoT8yP 2y2rzCfj7JLSRPISlx/SnPZR5cIItilXEvZlNTKCm6A4uqLcmE/ZYemyiztH6MF16s WjKIDebwC+EZw== From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: linux-media@vger.kernel.org, Daniel Almeida , Mauro Carvalho Chehab , Hans Verkuil , Detlev Casanova Subject: [PATCH v3 3/4] doc: visl: Document stable_output parameter Date: Thu, 23 Nov 2023 14:57:46 -0500 Message-ID: <20231123200451.148097-4-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231123200451.148097-1-detlev.casanova@collabora.com> References: <20231123200451.148097-1-detlev.casanova@collabora.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Reviewed-by: Daniel Almeida Signed-off-by: Detlev Casanova --- Documentation/admin-guide/media/visl.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/admin-guide/media/visl.rst b/Documentation/admin-guide/media/visl.rst index 4328c6c72d30..1a555e42a81a 100644 --- a/Documentation/admin-guide/media/visl.rst +++ b/Documentation/admin-guide/media/visl.rst @@ -49,6 +49,10 @@ Module parameters visl_dprintk_frame_start, visl_dprintk_nframes, but controls the dumping of buffer data through debugfs instead. +- stable_output: Limit the information written on each output frame to make + sure that, for a given input, the output frames are always exactly the same. + This is useful for automated tests to check that output frames are correct. + What is the default use case for this driver? ---------------------------------------------