[media] bttv: fix querycap and radio v4l2-compliance issues

The querycap ioctl didn't support V4L2_CAP_DEVICE_CAPS and the radio device
implemented audio and video inputs and s_std, which are not part of the radio
API.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index ccd18e4ee7892e62034a0d9b1e351107fb787749..cc7f58f94cde3659f30b50b846bc7412309b3e3f 100644 (file)
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -2630,6 +2630,7 @@ static int bttv_s_fmt_vid_overlay(struct file *file, void *priv,
 static int bttv_querycap(struct file *file, void  *priv,
                                struct v4l2_capability *cap)
 {
+       struct video_device *vdev = video_devdata(file);
        struct bttv_fh *fh = priv;
        struct bttv *btv = fh->btv;
 
@@ -2642,11 +2643,15 @@ static int bttv_querycap(struct file *file, void  *priv,
                 "PCI:%s", pci_name(btv->c.pci));
        cap->capabilities =
                V4L2_CAP_VIDEO_CAPTURE |
-               V4L2_CAP_VBI_CAPTURE |
                V4L2_CAP_READWRITE |
-               V4L2_CAP_STREAMING;
+               V4L2_CAP_STREAMING |
+               V4L2_CAP_DEVICE_CAPS;
        if (no_overlay <= 0)
                cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
+       if (btv->vbi_dev)
+               cap->capabilities |= V4L2_CAP_VBI_CAPTURE;
+       if (btv->radio_dev)
+               cap->capabilities |= V4L2_CAP_RADIO;
 
        /*
         * No need to lock here: those vars are initialized during board
@@ -2656,6 +2661,25 @@ static int bttv_querycap(struct file *file, void  *priv,
                cap->capabilities |= V4L2_CAP_RDS_CAPTURE;
        if (btv->tuner_type != TUNER_ABSENT)
                cap->capabilities |= V4L2_CAP_TUNER;
+       if (vdev->vfl_type == VFL_TYPE_GRABBER)
+               cap->device_caps = cap->capabilities &
+                       (V4L2_CAP_VIDEO_CAPTURE |
+                        V4L2_CAP_READWRITE |
+                        V4L2_CAP_STREAMING |
+                        V4L2_CAP_VIDEO_OVERLAY |
+                        V4L2_CAP_TUNER);
+       else if (vdev->vfl_type == VFL_TYPE_VBI)
+               cap->device_caps = cap->capabilities &
+                       (V4L2_CAP_VBI_CAPTURE |
+                        V4L2_CAP_READWRITE |
+                        V4L2_CAP_STREAMING |
+                        V4L2_CAP_TUNER);
+       else {
+               cap->device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
+               if (btv->has_saa6588)
+                       cap->device_caps |= V4L2_CAP_READWRITE |
+                                               V4L2_CAP_RDS_CAPTURE;
+       }
        return 0;
 }
 
@@ -3430,20 +3454,6 @@ static int radio_release(struct file *file)
        return 0;
 }
 
-static int radio_querycap(struct file *file, void *priv,
-                                       struct v4l2_capability *cap)
-{
-       struct bttv_fh *fh = priv;
-       struct bttv *btv = fh->btv;
-
-       strcpy(cap->driver, "bttv");
-       strlcpy(cap->card, btv->radio_dev->name, sizeof(cap->card));
-       sprintf(cap->bus_info, "PCI:%s", pci_name(btv->c.pci));
-       cap->capabilities = V4L2_CAP_TUNER;
-
-       return 0;
-}
-
 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
 {
        struct bttv_fh *fh = priv;
@@ -3464,29 +3474,6 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
        return 0;
 }
 
-static int radio_enum_input(struct file *file, void *priv,
-                               struct v4l2_input *i)
-{
-       if (i->index != 0)
-               return -EINVAL;
-
-       strcpy(i->name, "Radio");
-       i->type = V4L2_INPUT_TYPE_TUNER;
-
-       return 0;
-}
-
-static int radio_g_audio(struct file *file, void *priv,
-                                       struct v4l2_audio *a)
-{
-       if (unlikely(a->index))
-               return -EINVAL;
-
-       strcpy(a->name, "Radio");
-
-       return 0;
-}
-
 static int radio_s_tuner(struct file *file, void *priv,
                                        struct v4l2_tuner *t)
 {
@@ -3500,28 +3487,6 @@ static int radio_s_tuner(struct file *file, void *priv,
        return 0;
 }
 
-static int radio_s_audio(struct file *file, void *priv,
-                                       const struct v4l2_audio *a)
-{
-       if (unlikely(a->index))
-               return -EINVAL;
-
-       return 0;
-}
-
-static int radio_s_input(struct file *filp, void *priv, unsigned int i)
-{
-       if (unlikely(i))
-               return -EINVAL;
-
-       return 0;
-}
-
-static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
-{
-       return 0;
-}
-
 static int radio_queryctrl(struct file *file, void *priv,
                                        struct v4l2_queryctrl *c)
 {
@@ -3540,12 +3505,6 @@ static int radio_queryctrl(struct file *file, void *priv,
        return 0;
 }
 
-static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
-{
-       *i = 0;
-       return 0;
-}
-
 static ssize_t radio_read(struct file *file, char __user *data,
                         size_t count, loff_t *ppos)
 {
@@ -3586,16 +3545,10 @@ static const struct v4l2_file_operations radio_fops =
 };
 
 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
-       .vidioc_querycap        = radio_querycap,
+       .vidioc_querycap        = bttv_querycap,
        .vidioc_g_tuner         = radio_g_tuner,
-       .vidioc_enum_input      = radio_enum_input,
-       .vidioc_g_audio         = radio_g_audio,
        .vidioc_s_tuner         = radio_s_tuner,
-       .vidioc_s_audio         = radio_s_audio,
-       .vidioc_s_input         = radio_s_input,
-       .vidioc_s_std           = radio_s_std,
        .vidioc_queryctrl       = radio_queryctrl,
-       .vidioc_g_input         = radio_g_input,
        .vidioc_g_ctrl          = bttv_g_ctrl,
        .vidioc_s_ctrl          = bttv_s_ctrl,
        .vidioc_g_frequency     = bttv_g_frequency,