From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1173731AbdDXR5x (ORCPT ); Mon, 24 Apr 2017 13:57:53 -0400 Received: from mail-wr0-f195.google.com ([209.85.128.195]:32905 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1173716AbdDXR5i (ORCPT ); Mon, 24 Apr 2017 13:57:38 -0400 From: Bertold Van den Bergh To: Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, vandenbergh@bertold.org Subject: [PATCH v2] V4L2 SDR: Add Real U8 format (V4L2_SDR_FMT_RU8) Date: Mon, 24 Apr 2017 19:57:12 +0200 Message-Id: <1493056632-18516-1-git-send-email-vandenbergh@bertold.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1493044118.2446.40.camel@pengutronix.de> References: <1493044118.2446.40.camel@pengutronix.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds support for the Real U8 format to the V4L2 SDR framework. Signed-off-by: Bertold Van den Bergh --- Thanks for your comments. I was not aware of the V4L format documentation. I don't think there is a clear natural ordering for these types of formats, but I agree it looks more consistent in this way. Changes in v2: - Added documentation files - Changed order of formats Documentation/media/uapi/v4l/pixfmt-sdr-ru08.rst | 17 +++++++++++++++++ Documentation/media/uapi/v4l/sdr-formats.rst | 1 + drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 4 files changed, 20 insertions(+) create mode 100644 Documentation/media/uapi/v4l/pixfmt-sdr-ru08.rst diff --git a/Documentation/media/uapi/v4l/pixfmt-sdr-ru08.rst b/Documentation/media/uapi/v4l/pixfmt-sdr-ru08.rst new file mode 100644 index 0000000..ddd56e1 --- /dev/null +++ b/Documentation/media/uapi/v4l/pixfmt-sdr-ru08.rst @@ -0,0 +1,17 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _V4L2-SDR-FMT-RU8: + +**************************** +V4L2_SDR_FMT_RU8 ('RU08') +**************************** + + +Real unsigned 8-bit sample + + +Description +=========== + +This format contains a sequence of real number samples. Each sample is +represented as a 8 bit unsigned number. diff --git a/Documentation/media/uapi/v4l/sdr-formats.rst b/Documentation/media/uapi/v4l/sdr-formats.rst index f863c08..a08b5c2 100644 --- a/Documentation/media/uapi/v4l/sdr-formats.rst +++ b/Documentation/media/uapi/v4l/sdr-formats.rst @@ -16,4 +16,5 @@ These formats are used for :ref:`SDR ` interface only. pixfmt-sdr-cu16le pixfmt-sdr-cs08 pixfmt-sdr-cs14le + pixfmt-sdr-ru08 pixfmt-sdr-ru12le diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index e5a2187..79140cc 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1228,6 +1228,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_SDR_FMT_CU16LE: descr = "Complex U16LE"; break; case V4L2_SDR_FMT_CS8: descr = "Complex S8"; break; case V4L2_SDR_FMT_CS14LE: descr = "Complex S14LE"; break; + case V4L2_SDR_FMT_RU8: descr = "Real U8"; break; case V4L2_SDR_FMT_RU12LE: descr = "Real U12LE"; break; case V4L2_TCH_FMT_DELTA_TD16: descr = "16-bit signed deltas"; break; case V4L2_TCH_FMT_DELTA_TD08: descr = "8-bit signed deltas"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 2b8feb8..21e9ae3 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -668,6 +668,7 @@ struct v4l2_pix_format { #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ +#define V4L2_SDR_FMT_RU8 v4l2_fourcc('R', 'U', '0', '8') /* real u8 */ #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ /* Touch formats - used for Touch devices */ -- 1.9.1