[media] cx231xx: clean up radio support

Radio should not use video or audio inputs.
In addition, fix a bug in radio_g_tuner where s_tuner was called in the tuner
subdev instead of g_tuner.

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

1 files changed, 18 insertions, 61 deletions

diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index 1b29158bbbe2..2cd31129de86 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -1875,20 +1875,24 @@ static int vidioc_querycap(struct file *file, void *priv,
         strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
         usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
 
-        cap->device_caps =
-                V4L2_CAP_AUDIO          |
-                V4L2_CAP_READWRITE      |
-                V4L2_CAP_STREAMING;
-
-        if (vdev->vfl_type == VFL_TYPE_VBI)
-                cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
-        else
-                cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
+        if (vdev->vfl_type == VFL_TYPE_RADIO)
+                cap->device_caps = V4L2_CAP_RADIO;
+        else {
+                cap->device_caps = V4L2_CAP_AUDIO | V4L2_CAP_READWRITE |
+                        V4L2_CAP_STREAMING;
+                if (vdev->vfl_type == VFL_TYPE_VBI)
+                        cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
+                else
+                        cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
+        }
         if (dev->tuner_type != TUNER_ABSENT)
                 cap->device_caps |= V4L2_CAP_TUNER;
         cap->capabilities = cap->device_caps |
                 V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE |
-                V4L2_CAP_DEVICE_CAPS;
+                V4L2_CAP_AUDIO | V4L2_CAP_READWRITE |
+                V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS;
+        if (dev->radio_dev)
+                cap->capabilities |= V4L2_CAP_RADIO;
 
         return 0;
 }
@@ -2055,53 +2059,19 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
 /* RADIO ESPECIFIC IOCTLS                                      */
 /* ----------------------------------------------------------- */
 
-static int radio_querycap(struct file *file, void *priv,
-                          struct v4l2_capability *cap)
-{
-        struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
-
-        strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
-        strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
-        usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
-
-        cap->capabilities = V4L2_CAP_TUNER;
-        return 0;
-}
-
 static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
 {
         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
 
-        if (unlikely(t->index > 0))
+        if (t->index)
                 return -EINVAL;
 
         strcpy(t->name, "Radio");
-        t->type = V4L2_TUNER_RADIO;
-
-        call_all(dev, tuner, s_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;
+        call_all(dev, tuner, g_tuner, t);
 
-        strcpy(a->name, "Radio");
         return 0;
 }
-
 static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
 {
         struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
@@ -2114,16 +2084,6 @@ static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
         return 0;
 }
 
-static int radio_s_audio(struct file *file, void *fh, const struct v4l2_audio *a)
-{
-        return 0;
-}
-
-static int radio_s_input(struct file *file, void *fh, unsigned int i)
-{
-        return 0;
-}
-
 static int radio_queryctrl(struct file *file, void *priv,
                            struct v4l2_queryctrl *c)
 {
@@ -2552,18 +2512,15 @@ static const struct v4l2_file_operations radio_fops = {
 };
 
 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
-        .vidioc_querycap    = radio_querycap,
+        .vidioc_querycap    = vidioc_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_queryctrl   = radio_queryctrl,
         .vidioc_g_ctrl      = vidioc_g_ctrl,
         .vidioc_s_ctrl      = vidioc_s_ctrl,
         .vidioc_g_frequency = vidioc_g_frequency,
         .vidioc_s_frequency = vidioc_s_frequency,
+        .vidioc_g_chip_ident = vidioc_g_chip_ident,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         .vidioc_g_register  = vidioc_g_register,
         .vidioc_s_register  = vidioc_s_register,