X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fmedia%2Fradio%2Fradio-aimslab.c;h=bfa13b8b3043b33aeb3c0fdeaae3fe947b06b1f0;hb=7b9a79bf4849fbf7389bd845052014b02d2b9bda;hp=c69bde39a2336c8ae623001bc7465139abc4f693;hpb=d3135846f6c1858dbad6ccb780a42e6c98953e6d;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c
index c69bde3..bfa13b8 100644
--- a/drivers/media/radio/radio-aimslab.c
+++ b/drivers/media/radio/radio-aimslab.c
@@ -1,7 +1,7 @@
 /* radiotrack (radioreveal) driver for Linux radio support
  * (c) 1997 M. Kirkwood
  * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@infradead.org>
- * Converted to new API by Alan Cox <Alan.Cox@linux.org>
+ * Converted to new API by Alan Cox <alan@lxorguk.ukuu.org.uk>
  * Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org>
  *
  * History:
@@ -36,6 +36,7 @@
 #include <asm/uaccess.h>	/* copy to/from user		*/
 #include <linux/videodev2.h>	/* kernel radio structs		*/
 #include <media/v4l2-common.h>
+#include <media/v4l2-ioctl.h>
 
 #include <linux/version.h>	/* for KERNEL_VERSION MACRO	*/
 #define RADIO_VERSION KERNEL_VERSION(0,0,2)
@@ -50,6 +51,7 @@ static struct mutex lock;
 
 struct rt_device
 {
+	unsigned long in_use;
 	int port;
 	int curvol;
 	unsigned long curfreq;
@@ -244,8 +246,7 @@ static int vidioc_querycap(struct file *file, void  *priv,
 static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	struct video_device *dev = video_devdata(file);
-	struct rt_device *rt = dev->priv;
+	struct rt_device *rt = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
@@ -272,8 +273,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct video_device *dev = video_devdata(file);
-	struct rt_device *rt = dev->priv;
+	struct rt_device *rt = video_drvdata(file);
 
 	rt->curfreq = f->frequency;
 	rt_setfreq(rt, rt->curfreq);
@@ -283,8 +283,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct video_device *dev = video_devdata(file);
-	struct rt_device *rt = dev->priv;
+	struct rt_device *rt = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = rt->curfreq;
@@ -309,8 +308,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct video_device *dev = video_devdata(file);
-	struct rt_device *rt = dev->priv;
+	struct rt_device *rt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -326,8 +324,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct video_device *dev = video_devdata(file);
-	struct rt_device *rt = dev->priv;
+	struct rt_device *rt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -377,21 +374,25 @@ static int vidioc_s_audio(struct file *file, void *priv,
 
 static struct rt_device rtrack_unit;
 
-static const struct file_operations rtrack_fops = {
+static int rtrack_exclusive_open(struct file *file)
+{
+	return test_and_set_bit(0, &rtrack_unit.in_use) ? -EBUSY : 0;
+}
+
+static int rtrack_exclusive_release(struct file *file)
+{
+	clear_bit(0, &rtrack_unit.in_use);
+	return 0;
+}
+
+static const struct v4l2_file_operations rtrack_fops = {
 	.owner		= THIS_MODULE,
-	.open           = video_exclusive_open,
-	.release        = video_exclusive_release,
+	.open           = rtrack_exclusive_open,
+	.release        = rtrack_exclusive_release,
 	.ioctl		= video_ioctl2,
-	.compat_ioctl	= v4l_compat_ioctl32,
-	.llseek         = no_llseek,
 };
 
-static struct video_device rtrack_radio=
-{
-	.owner		= THIS_MODULE,
-	.name		= "RadioTrack radio",
-	.type		= VID_TYPE_TUNER,
-	.fops           = &rtrack_fops,
+static const struct v4l2_ioctl_ops rtrack_ioctl_ops = {
 	.vidioc_querycap    = vidioc_querycap,
 	.vidioc_g_tuner     = vidioc_g_tuner,
 	.vidioc_s_tuner     = vidioc_s_tuner,
@@ -406,6 +407,13 @@ static struct video_device rtrack_radio=
 	.vidioc_s_ctrl      = vidioc_s_ctrl,
 };
 
+static struct video_device rtrack_radio = {
+	.name		= "RadioTrack radio",
+	.fops           = &rtrack_fops,
+	.ioctl_ops 	= &rtrack_ioctl_ops,
+	.release	= video_device_release_empty,
+};
+
 static int __init rtrack_init(void)
 {
 	if(io==-1)
@@ -420,10 +428,9 @@ static int __init rtrack_init(void)
 		return -EBUSY;
 	}
 
-	rtrack_radio.priv=&rtrack_unit;
+	video_set_drvdata(&rtrack_radio, &rtrack_unit);
 
-	if(video_register_device(&rtrack_radio, VFL_TYPE_RADIO, radio_nr)==-1)
-	{
+	if (video_register_device(&rtrack_radio, VFL_TYPE_RADIO, radio_nr) < 0) {
 		release_region(io, 2);
 		return -EINVAL;
 	}