[media] cafe_ccic: Implement VIDIOC_ENUM_FRAMEINTERVALS and ENUM_FRAMESIZES

This allows GStreamer to pick appropriate framerates and resolutions
based on desired capture parameters.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c
index 05d810a..b4f5b3b 100644 (file)
--- a/drivers/media/video/cafe_ccic.c
+++ b/drivers/media/video/cafe_ccic.c
@@ -1710,6 +1710,30 @@ static int cafe_vidioc_g_chip_ident(struct file *file, void *priv,
        return sensor_call(cam, core, g_chip_ident, chip);
 }
 
+static int cafe_vidioc_enum_framesizes(struct file *filp, void *priv,
+               struct v4l2_frmsizeenum *sizes)
+{
+       struct cafe_camera *cam = priv;
+       int ret;
+
+       mutex_lock(&cam->s_mutex);
+       ret = sensor_call(cam, video, enum_framesizes, sizes);
+       mutex_unlock(&cam->s_mutex);
+       return ret;
+}
+
+static int cafe_vidioc_enum_frameintervals(struct file *filp, void *priv,
+               struct v4l2_frmivalenum *interval)
+{
+       struct cafe_camera *cam = priv;
+       int ret;
+
+       mutex_lock(&cam->s_mutex);
+       ret = sensor_call(cam, video, enum_frameintervals, interval);
+       mutex_unlock(&cam->s_mutex);
+       return ret;
+}
+
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 static int cafe_vidioc_g_register(struct file *file, void *priv,
                struct v4l2_dbg_register *reg)
@@ -1773,6 +1797,8 @@ static const struct v4l2_ioctl_ops cafe_v4l_ioctl_ops = {
        .vidioc_s_ctrl          = cafe_vidioc_s_ctrl,
        .vidioc_g_parm          = cafe_vidioc_g_parm,
        .vidioc_s_parm          = cafe_vidioc_s_parm,
+       .vidioc_enum_framesizes = cafe_vidioc_enum_framesizes,
+       .vidioc_enum_frameintervals = cafe_vidioc_enum_frameintervals,
        .vidioc_g_chip_ident    = cafe_vidioc_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
        .vidioc_g_register      = cafe_vidioc_g_register,