From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753044AbcGTAFq (ORCPT ); Tue, 19 Jul 2016 20:05:46 -0400 Received: from mail-pa0-f67.google.com ([209.85.220.67]:33612 "EHLO mail-pa0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752412AbcGTAEE (ORCPT ); Tue, 19 Jul 2016 20:04:04 -0400 From: Steve Longerbeam X-Google-Original-From: Steve Longerbeam To: lars@metafoo.de Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Steve Longerbeam Subject: [PATCH v2 06/10] media: adv7180: implement g_parm Date: Tue, 19 Jul 2016 17:03:33 -0700 Message-Id: <1468973017-17647-7-git-send-email-steve_longerbeam@mentor.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1468973017-17647-1-git-send-email-steve_longerbeam@mentor.com> References: <1467846004-12731-1-git-send-email-steve_longerbeam@mentor.com> <1468973017-17647-1-git-send-email-steve_longerbeam@mentor.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Implement g_parm to return the current standard's frame period. Signed-off-by: Steve Longerbeam Tested-by: Tim Harvey Acked-by: Tim Harvey --- drivers/media/i2c/adv7180.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c index 8612d21..8259549 100644 --- a/drivers/media/i2c/adv7180.c +++ b/drivers/media/i2c/adv7180.c @@ -766,6 +766,27 @@ static int adv7180_g_mbus_config(struct v4l2_subdev *sd, return 0; } +static int adv7180_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) +{ + struct adv7180_state *state = to_state(sd); + struct v4l2_captureparm *cparm = &a->parm.capture; + + if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + memset(a, 0, sizeof(*a)); + a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + if (state->curr_norm & V4L2_STD_525_60) { + cparm->timeperframe.numerator = 1001; + cparm->timeperframe.denominator = 30000; + } else { + cparm->timeperframe.numerator = 1; + cparm->timeperframe.denominator = 25; + } + + return 0; +} + static int adv7180_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *cropcap) { struct adv7180_state *state = to_state(sd); @@ -824,6 +845,7 @@ static int adv7180_subscribe_event(struct v4l2_subdev *sd, static const struct v4l2_subdev_video_ops adv7180_video_ops = { .s_std = adv7180_s_std, .g_std = adv7180_g_std, + .g_parm = adv7180_g_parm, .querystd = adv7180_querystd, .g_input_status = adv7180_g_input_status, .s_routing = adv7180_s_routing, -- 1.9.1