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path: root/drivers/media/radio/radio-typhoon.c
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Diffstat (limited to 'drivers/media/radio/radio-typhoon.c')
-rw-r--r--drivers/media/radio/radio-typhoon.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/media/radio/radio-typhoon.c b/drivers/media/radio/radio-typhoon.c
index 8ac9a8ef909..e50955836d6 100644
--- a/drivers/media/radio/radio-typhoon.c
+++ b/drivers/media/radio/radio-typhoon.c
@@ -59,7 +59,7 @@ struct typhoon_device {
int muted;
unsigned long curfreq;
unsigned long mutefreq;
- struct semaphore lock;
+ struct mutex lock;
};
static void typhoon_setvol_generic(struct typhoon_device *dev, int vol);
@@ -77,12 +77,12 @@ static int typhoon_get_info(char *buf, char **start, off_t offset, int len);
static void typhoon_setvol_generic(struct typhoon_device *dev, int vol)
{
- down(&dev->lock);
+ mutex_lock(&dev->lock);
vol >>= 14; /* Map 16 bit to 2 bit */
vol &= 3;
outb_p(vol / 2, dev->iobase); /* Set the volume, high bit. */
outb_p(vol % 2, dev->iobase + 2); /* Set the volume, low bit. */
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
}
static int typhoon_setfreq_generic(struct typhoon_device *dev,
@@ -102,7 +102,7 @@ static int typhoon_setfreq_generic(struct typhoon_device *dev,
*
*/
- down(&dev->lock);
+ mutex_lock(&dev->lock);
x = frequency / 160;
outval = (x * x + 2500) / 5000;
outval = (outval * x + 5000) / 10000;
@@ -112,7 +112,7 @@ static int typhoon_setfreq_generic(struct typhoon_device *dev,
outb_p((outval >> 8) & 0x01, dev->iobase + 4);
outb_p(outval >> 9, dev->iobase + 6);
outb_p(outval & 0xff, dev->iobase + 8);
- up(&dev->lock);
+ mutex_unlock(&dev->lock);
return 0;
}
@@ -337,7 +337,7 @@ static int __init typhoon_init(void)
#endif /* MODULE */
printk(KERN_INFO BANNER);
- init_MUTEX(&typhoon_unit.lock);
+ mutex_init(&typhoon_unit.lock);
io = typhoon_unit.iobase;
if (!request_region(io, 8, "typhoon")) {
printk(KERN_ERR "radio-typhoon: port 0x%x already in use\n",