Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751407AbcDPIMm (ORCPT ); Sat, 16 Apr 2016 04:12:42 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:34933 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751100AbcDPIMi (ORCPT ); Sat, 16 Apr 2016 04:12:38 -0400 From: Ivaylo Dimitrov To: sakari.ailus@iki.fi, mchehab@osg.samsung.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Ivaylo Dimitrov Subject: [PATCH] [media] smiapp: provide g_skip_top_lines method in sensor ops Date: Sat, 16 Apr 2016 11:12:20 +0300 Message-Id: <1460794340-490-1-git-send-email-ivo.g.dimitrov.75@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2030 Lines: 61 Some sensors (like the one in Nokia N900) provide metadata in the first couple of lines. Make that information information available to the pipeline. Signed-off-by: Ivaylo Dimitrov --- drivers/media/i2c/smiapp/smiapp-core.c | 12 ++++++++++++ drivers/media/i2c/smiapp/smiapp.h | 1 + 2 files changed, 13 insertions(+) diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index a215efe..3dfe387 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -188,6 +188,8 @@ static int smiapp_read_frame_fmt(struct smiapp_sensor *sensor) embedded_end = 0; } + sensor->image_start = image_start; + dev_dbg(&client->dev, "embedded data from lines %d to %d\n", embedded_start, embedded_end); dev_dbg(&client->dev, "image data starts at line %d\n", image_start); @@ -2280,6 +2282,15 @@ static int smiapp_get_skip_frames(struct v4l2_subdev *subdev, u32 *frames) return 0; } +static int smiapp_get_skip_top_lines(struct v4l2_subdev *subdev, u32 *lines) +{ + struct smiapp_sensor *sensor = to_smiapp_sensor(subdev); + + *lines = sensor->image_start; + + return 0; +} + /* ----------------------------------------------------------------------------- * sysfs attributes */ @@ -2890,6 +2901,7 @@ static const struct v4l2_subdev_pad_ops smiapp_pad_ops = { static const struct v4l2_subdev_sensor_ops smiapp_sensor_ops = { .g_skip_frames = smiapp_get_skip_frames, + .g_skip_top_lines = smiapp_get_skip_top_lines, }; static const struct v4l2_subdev_ops smiapp_ops = { diff --git a/drivers/media/i2c/smiapp/smiapp.h b/drivers/media/i2c/smiapp/smiapp.h index f6af0cc..c8b4ca0 100644 --- a/drivers/media/i2c/smiapp/smiapp.h +++ b/drivers/media/i2c/smiapp/smiapp.h @@ -217,6 +217,7 @@ struct smiapp_sensor { u8 hvflip_inv_mask; /* H/VFLIP inversion due to sensor orientation */ u8 frame_skip; + u32 image_start; /* Offset to first line after metadata lines */ int power_count; -- 1.9.1