From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F56AC61DA4 for ; Fri, 3 Mar 2023 22:01:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233403AbjCCWBO (ORCPT ); Fri, 3 Mar 2023 17:01:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233349AbjCCV7n (ORCPT ); Fri, 3 Mar 2023 16:59:43 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D9D86C1B5; Fri, 3 Mar 2023 13:51:22 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4649BB81A37; Fri, 3 Mar 2023 21:47:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 53880C433A0; Fri, 3 Mar 2023 21:47:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677880070; bh=7DncJ7Sp55/QaL5AZ2gDo9EjANT0in8LnumekkBM47o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oHKC4pCh+5YRrlVSnP00SFq33Ulkk/XeGXM/heSRBHLIaW0Xtne7SySZJ+5yjr7K8 HcFEvy1+7DGK+i4lozHfNsT3S+kAm8oX3Y3Obr7HUZGreZCncoSIlrcAP9ms3vPEDg MU0DrQLUkC1uaarQ7zhuqfX4vDqqjNvHl7fdzfHdDiiRoqVyja2ymvnP6nbJLI1Oag 8BMGHf1+o5lT9Gm464cZpJkwtmIZKnxmUm7HJGQsUSli0ONoKWUAxIA8VIgC9vLito wcEfBL7jgThWptHimOCgcMhlSnxYlBQHovg1+EQjQAklEgqGV9zgl145YGsvzJfeCl Bdn1Y4rjgSAAA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Daniel Scally , Laurent Pinchart , Greg Kroah-Hartman , Sasha Levin , kieran.bingham@ideasonboard.com Subject: [PATCH AUTOSEL 5.10 20/30] usb: uvc: Enumerate valid values for color matching Date: Fri, 3 Mar 2023 16:47:05 -0500 Message-Id: <20230303214715.1452256-20-sashal@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230303214715.1452256-1-sashal@kernel.org> References: <20230303214715.1452256-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Daniel Scally [ Upstream commit e16cab9c1596e251761d2bfb5e1467950d616963 ] The color matching descriptors defined in the UVC Specification contain 3 fields with discrete numeric values representing particular settings. Enumerate those values so that later code setting them can be more readable. Reviewed-by: Laurent Pinchart Signed-off-by: Daniel Scally Link: https://lore.kernel.org/r/20230202114142.300858-2-dan.scally@ideasonboard.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- include/uapi/linux/usb/video.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/include/uapi/linux/usb/video.h b/include/uapi/linux/usb/video.h index bfdae12cdacf8..c58854fb7d94a 100644 --- a/include/uapi/linux/usb/video.h +++ b/include/uapi/linux/usb/video.h @@ -179,6 +179,36 @@ #define UVC_CONTROL_CAP_AUTOUPDATE (1 << 3) #define UVC_CONTROL_CAP_ASYNCHRONOUS (1 << 4) +/* 3.9.2.6 Color Matching Descriptor Values */ +enum uvc_color_primaries_values { + UVC_COLOR_PRIMARIES_UNSPECIFIED, + UVC_COLOR_PRIMARIES_BT_709_SRGB, + UVC_COLOR_PRIMARIES_BT_470_2_M, + UVC_COLOR_PRIMARIES_BT_470_2_B_G, + UVC_COLOR_PRIMARIES_SMPTE_170M, + UVC_COLOR_PRIMARIES_SMPTE_240M, +}; + +enum uvc_transfer_characteristics_values { + UVC_TRANSFER_CHARACTERISTICS_UNSPECIFIED, + UVC_TRANSFER_CHARACTERISTICS_BT_709, + UVC_TRANSFER_CHARACTERISTICS_BT_470_2_M, + UVC_TRANSFER_CHARACTERISTICS_BT_470_2_B_G, + UVC_TRANSFER_CHARACTERISTICS_SMPTE_170M, + UVC_TRANSFER_CHARACTERISTICS_SMPTE_240M, + UVC_TRANSFER_CHARACTERISTICS_LINEAR, + UVC_TRANSFER_CHARACTERISTICS_SRGB, +}; + +enum uvc_matrix_coefficients { + UVC_MATRIX_COEFFICIENTS_UNSPECIFIED, + UVC_MATRIX_COEFFICIENTS_BT_709, + UVC_MATRIX_COEFFICIENTS_FCC, + UVC_MATRIX_COEFFICIENTS_BT_470_2_B_G, + UVC_MATRIX_COEFFICIENTS_SMPTE_170M, + UVC_MATRIX_COEFFICIENTS_SMPTE_240M, +}; + /* ------------------------------------------------------------------------ * UVC structures */ -- 2.39.2