From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pa0-f68.google.com ([209.85.220.68]:33111 "EHLO mail-pa0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932367AbcHCSEF (ORCPT ); Wed, 3 Aug 2016 14:04:05 -0400 From: Steve Longerbeam To: lars@metafoo.de Cc: mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Steve Longerbeam Subject: [PATCH v4 5/8] media: adv7180: implement g_parm Date: Wed, 3 Aug 2016 11:03:47 -0700 Message-Id: <1470247430-11168-6-git-send-email-steve_longerbeam@mentor.com> In-Reply-To: <1470247430-11168-1-git-send-email-steve_longerbeam@mentor.com> References: <1470247430-11168-1-git-send-email-steve_longerbeam@mentor.com> Sender: linux-media-owner@vger.kernel.org List-ID: Implement g_parm to return the current standard's frame period. Signed-off-by: Steve Longerbeam Tested-by: Tim Harvey Acked-by: Tim Harvey --- v4: no changes v3: no changes v2: no changes --- 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 b2df181..9705e24 100644 --- a/drivers/media/i2c/adv7180.c +++ b/drivers/media/i2c/adv7180.c @@ -764,6 +764,27 @@ 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); @@ -822,6 +843,7 @@ 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