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Diffstat (limited to 'drivers/media/video/cx23885/cx23885-video.c')
-rw-r--r--drivers/media/video/cx23885/cx23885-video.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c
index 6047c78d84b..f75ed1c9b71 100644
--- a/drivers/media/video/cx23885/cx23885-video.c
+++ b/drivers/media/video/cx23885/cx23885-video.c
@@ -244,7 +244,7 @@ static struct cx23885_ctrl cx23885_ctls[] = {
};
static const int CX23885_CTLS = ARRAY_SIZE(cx23885_ctls);
-const u32 cx23885_user_ctrls[] = {
+static const u32 cx23885_user_ctrls[] = {
V4L2_CID_USER_CLASS,
V4L2_CID_BRIGHTNESS,
V4L2_CID_CONTRAST,
@@ -254,14 +254,13 @@ const u32 cx23885_user_ctrls[] = {
V4L2_CID_AUDIO_MUTE,
0
};
-EXPORT_SYMBOL(cx23885_user_ctrls);
static const u32 *ctrl_classes[] = {
cx23885_user_ctrls,
NULL
};
-void cx23885_video_wakeup(struct cx23885_dev *dev,
+static void cx23885_video_wakeup(struct cx23885_dev *dev,
struct cx23885_dmaqueue *q, u32 count)
{
struct cx23885_buffer *buf;
@@ -296,7 +295,7 @@ void cx23885_video_wakeup(struct cx23885_dev *dev,
__func__, bc);
}
-int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
+static int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
{
dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
__func__,
@@ -314,7 +313,7 @@ int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
return 0;
}
-struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
+static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
struct pci_dev *pci,
struct video_device *template,
char *type)
@@ -334,7 +333,7 @@ struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
return vfd;
}
-int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
+static int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
{
int i;
@@ -351,7 +350,6 @@ int cx23885_ctrl_query(struct v4l2_queryctrl *qctrl)
*qctrl = cx23885_ctls[i].v;
return 0;
}
-EXPORT_SYMBOL(cx23885_ctrl_query);
/* ------------------------------------------------------------------- */
/* resource management */
@@ -402,7 +400,7 @@ static void res_free(struct cx23885_dev *dev, struct cx23885_fh *fh,
mutex_unlock(&dev->lock);
}
-int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
+static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
{
struct v4l2_routing route;
memset(&route, 0, sizeof(route));
@@ -422,10 +420,9 @@ int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
return 0;
}
-EXPORT_SYMBOL(cx23885_video_mux);
/* ------------------------------------------------------------------ */
-int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width,
+static int cx23885_set_scale(struct cx23885_dev *dev, unsigned int width,
unsigned int height, enum v4l2_field field)
{
dprintk(1, "%s()\n", __func__);
@@ -731,6 +728,7 @@ static int video_open(struct inode *inode, struct file *file)
enum v4l2_buf_type type = 0;
int radio = 0;
+ lock_kernel();
list_for_each(list, &cx23885_devlist) {
h = list_entry(list, struct cx23885_dev, devlist);
if (h->video_dev->minor == minor) {
@@ -748,16 +746,20 @@ static int video_open(struct inode *inode, struct file *file)
dev = h;
}
}
- if (NULL == dev)
+ if (NULL == dev) {
+ unlock_kernel();
return -ENODEV;
+ }
dprintk(1, "open minor=%d radio=%d type=%s\n",
minor, radio, v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh)
+ if (NULL == fh) {
+ unlock_kernel();
return -ENOMEM;
+ }
file->private_data = fh;
fh->dev = dev;
fh->radio = radio;
@@ -775,6 +777,7 @@ static int video_open(struct inode *inode, struct file *file)
dprintk(1, "post videobuf_queue_init()\n");
+ unlock_kernel();
return 0;
}
@@ -884,21 +887,19 @@ static int video_mmap(struct file *file, struct vm_area_struct *vma)
/* ------------------------------------------------------------------ */
/* VIDEO CTRL IOCTLS */
-int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
+static int cx23885_get_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
{
dprintk(1, "%s() calling cx25840(VIDIOC_G_CTRL)\n", __func__);
cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_CTRL, ctl);
return 0;
}
-EXPORT_SYMBOL(cx23885_get_control);
-int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
+static int cx23885_set_control(struct cx23885_dev *dev, struct v4l2_control *ctl)
{
dprintk(1, "%s() calling cx25840(VIDIOC_S_CTRL)"
" (disabled - no action)\n", __func__);
return 0;
}
-EXPORT_SYMBOL(cx23885_set_control);
static void init_controls(struct cx23885_dev *dev)
{
@@ -1146,7 +1147,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *tvnorms)
return 0;
}
-int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
+static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
{
static const char *iname[] = {
[CX23885_VMUX_COMPOSITE1] = "Composite1",
@@ -1179,7 +1180,6 @@ int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
i->std = CX23885_NORMS;
return 0;
}
-EXPORT_SYMBOL(cx23885_enum_input);
static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
@@ -1288,7 +1288,7 @@ static int vidioc_g_frequency(struct file *file, void *priv,
return 0;
}
-int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
+static int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
{
if (unlikely(UNSET == dev->tuner_type))
return -EINVAL;
@@ -1307,7 +1307,6 @@ int cx23885_set_freq(struct cx23885_dev *dev, struct v4l2_frequency *f)
return 0;
}
-EXPORT_SYMBOL(cx23885_set_freq);
static int vidioc_s_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-11 12:04:49 +0000