The device hardware is always running at 60 FPS, so report this both via
PARM_IOCTL and ENUM_FRAMEINTERVALS.

Signed-off-by: Martin Kaltenbrunner <mo...@yuri.at>
Signed-off-by: Florian Echtler <f...@butterbrot.org>
---
 drivers/input/touchscreen/sur40.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/input/touchscreen/sur40.c 
b/drivers/input/touchscreen/sur40.c
index 880c40b..fcc5934 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -788,6 +788,16 @@ static int sur40_vidioc_fmt(struct file *file, void *priv,
        return 0;
 }
 
+static int sur40_ioctl_parm(struct file *file, void *priv,
+                           struct v4l2_streamparm *p)
+{
+       if (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+               p->parm.capture.timeperframe.numerator = 1;
+               p->parm.capture.timeperframe.denominator = 60;
+       }
+       return 0;
+}
+
 static int sur40_vidioc_enum_fmt(struct file *file, void *priv,
                                 struct v4l2_fmtdesc *f)
 {
@@ -814,13 +824,13 @@ static int sur40_vidioc_enum_framesizes(struct file 
*file, void *priv,
 static int sur40_vidioc_enum_frameintervals(struct file *file, void *priv,
                                            struct v4l2_frmivalenum *f)
 {
-       if ((f->index > 1) || (f->pixel_format != V4L2_PIX_FMT_GREY)
+       if ((f->index > 0) || (f->pixel_format != V4L2_PIX_FMT_GREY)
                || (f->width  != sur40_video_format.width)
                || (f->height != sur40_video_format.height))
                        return -EINVAL;
 
        f->type = V4L2_FRMIVAL_TYPE_DISCRETE;
-       f->discrete.denominator  = 60/(f->index+1);
+       f->discrete.denominator  = 60;
        f->discrete.numerator = 1;
        return 0;
 }
@@ -880,6 +890,9 @@ static const struct v4l2_ioctl_ops sur40_video_ioctl_ops = {
        .vidioc_enum_framesizes = sur40_vidioc_enum_framesizes,
        .vidioc_enum_frameintervals = sur40_vidioc_enum_frameintervals,
 
+       .vidioc_g_parm = sur40_ioctl_parm,
+       .vidioc_s_parm = sur40_ioctl_parm,
+
        .vidioc_enum_input      = sur40_vidioc_enum_input,
        .vidioc_g_input         = sur40_vidioc_g_input,
        .vidioc_s_input         = sur40_vidioc_s_input,
-- 
1.9.1

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