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From: Steve Longerbeam <slongerbeam@gmail.com>
To: lars@metafoo.de
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	Steve Longerbeam <steve_longerbeam@mentor.com>
Subject: [PATCH v2 06/10] media: adv7180: implement g_parm
Date: Tue, 19 Jul 2016 17:03:33 -0700	[thread overview]
Message-ID: <1468973017-17647-7-git-send-email-steve_longerbeam@mentor.com> (raw)
In-Reply-To: <1468973017-17647-1-git-send-email-steve_longerbeam@mentor.com>

Implement g_parm to return the current standard's frame period.

Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Acked-by: Tim Harvey <tharvey@gateworks.com>
---
 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

  parent reply	other threads:[~2016-07-20  0:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1467846004-12731-1-git-send-email-steve_longerbeam@mentor.com>
2016-07-20  0:03 ` [PATCH v2 00/10] adv7180 subdev fixes, v2 Steve Longerbeam
2016-07-20  0:03   ` [PATCH v2 01/10] v4l: of: add "newavmode" property for Analog Devices codecs Steve Longerbeam
2016-07-20  7:37     ` Hans Verkuil
2016-07-20 17:14       ` Steve Longerbeam
2016-07-20  0:03   ` [PATCH v2 02/10] media: adv7180: Fix broken interrupt register access Steve Longerbeam
2016-07-20  0:03   ` [PATCH v2 03/10] media: adv7180: define more registers Steve Longerbeam
2016-07-20  8:54     ` Lars-Peter Clausen
2016-07-20  0:03   ` [PATCH v2 04/10] media: adv7180: add support for NEWAVMODE Steve Longerbeam
2016-07-20  0:03   ` [PATCH v2 05/10] media: adv7180: add power pin control Steve Longerbeam
2016-07-20  8:53     ` Lars-Peter Clausen
2016-07-20  0:03   ` Steve Longerbeam [this message]
2016-07-20  0:03   ` [PATCH v2 07/10] media: adv7180: change mbus format to UYVY Steve Longerbeam
2016-07-20  0:03   ` [PATCH v2 08/10] v4l: Add signal lock status to source change events Steve Longerbeam
2016-07-20  0:03   ` [PATCH v2 09/10] media: adv7180: enable lock/unlock interrupts Steve Longerbeam
2016-07-20  0:03   ` [PATCH v2 10/10] media: adv7180: fix field type Steve Longerbeam

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