From 52a1b4e93518c7625fa9756637e54400637ad7ec Mon Sep 17 00:00:00 2001 From: =?utf8?q?Niklas=20S=C3=B6derlund?= Date: Fri, 2 Sep 2016 13:44:58 -0300 Subject: [PATCH] [media] media: rcar-vin: allow field to be changed MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The driver forced whatever field was set by the source subdevice to be used. This patch allows the user to change from the default field. Signed-off-by: Niklas Söderlund Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/rcar-vin/rcar-v4l2.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index 62ca7e35517e..88bfee33b478 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -102,6 +102,7 @@ static int __rvin_try_format_source(struct rvin_dev *vin, struct v4l2_subdev_format format = { .which = which, }; + enum v4l2_field field; int ret; sd = vin_to_source(vin); @@ -114,12 +115,16 @@ static int __rvin_try_format_source(struct rvin_dev *vin, format.pad = vin->src_pad_idx; + field = pix->field; + ret = v4l2_subdev_call(sd, pad, set_fmt, pad_cfg, &format); if (ret < 0 && ret != -ENOIOCTLCMD) goto done; v4l2_fill_pix_format(pix, &format.format); + pix->field = field; + source->width = pix->width; source->height = pix->height; @@ -143,6 +148,10 @@ static int __rvin_try_format(struct rvin_dev *vin, rwidth = pix->width; rheight = pix->height; + /* Keep current field if no specific one is asked for */ + if (pix->field == V4L2_FIELD_ANY) + pix->field = vin->format.field; + /* * Retrieve format information and select the current format if the * requested format isn't supported. -- 2.20.1