V4L/DVB (5539): Radio-rtrack2.c Added VIDIOC_[GS]_AUDIO and VIDIOC_[S|G]_INPUT

Implements VIDIOC_[GS]_AUDIO and VIDIOC_[S|G]_INPUT on radio-rtrack2
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/radio/radio-rtrack2.c

@@ -249,6 +249,38 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 	return -EINVAL;
 }
 
+static int vidioc_g_audio(struct file *file, void *priv,
+				struct v4l2_audio *a)
+{
+	if (a->index > 1)
+		return -EINVAL;
+
+	strcpy(a->name, "Radio");
+	a->capability = V4L2_AUDCAP_STEREO;
+	return 0;
+}
+
+static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
+{
+	*i = 0;
+	return 0;
+}
+
+static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
+{
+	if (i != 0)
+		return -EINVAL;
+	return 0;
+}
+
+static int vidioc_s_audio(struct file *file, void *priv,
+				struct v4l2_audio *a)
+{
+	if (a->index != 0)
+		return -EINVAL;
+	return 0;
+}
+
 static struct rt_device rtrack2_unit;
 
 static const struct file_operations rtrack2_fops = {
@@ -275,6 +307,10 @@ static struct video_device rtrack2_radio=
 	.vidioc_queryctrl   = vidioc_queryctrl,
 	.vidioc_g_ctrl      = vidioc_g_ctrl,
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
+	.vidioc_g_audio     = vidioc_g_audio,
+	.vidioc_s_audio     = vidioc_s_audio,
+	.vidioc_g_input     = vidioc_g_input,
+	.vidioc_s_input     = vidioc_s_input,
 };
 
 static int __init rtrack2_init(void)