aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/radio/radio-aimslab.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/radio/radio-aimslab.c')
-rw-r--r--drivers/media/radio/radio-aimslab.c51
1 files changed, 26 insertions, 25 deletions
diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c
index 557fb5c4af3..df22a582e7a 100644
--- a/drivers/media/radio/radio-aimslab.c
+++ b/drivers/media/radio/radio-aimslab.c
@@ -24,7 +24,7 @@
* out(port, start_increasing_volume);
* wait(a_wee_while);
* out(port, stop_changing_the_volume);
- *
+ *
*/
#include <linux/module.h> /* Modules */
@@ -34,6 +34,7 @@
#include <asm/io.h> /* outb, outb_p */
#include <asm/uaccess.h> /* copy to/from user */
#include <linux/videodev.h> /* kernel radio structs */
+#include <media/v4l2-common.h>
#include <linux/config.h> /* CONFIG_RADIO_RTRACK_PORT */
#include <asm/semaphore.h> /* Lock for the I/O */
@@ -41,7 +42,7 @@
#define CONFIG_RADIO_RTRACK_PORT -1
#endif
-static int io = CONFIG_RADIO_RTRACK_PORT;
+static int io = CONFIG_RADIO_RTRACK_PORT;
static int radio_nr = -1;
static struct mutex lock;
@@ -93,12 +94,12 @@ static int rt_setvol(struct rt_device *dev, int vol)
int i;
mutex_lock(&lock);
-
+
if(vol == dev->curvol) { /* requested volume = current */
if (dev->muted) { /* user is unmuting the card */
dev->muted = 0;
outb (0xd8, io); /* enable card */
- }
+ }
mutex_unlock(&lock);
return 0;
}
@@ -114,10 +115,10 @@ static int rt_setvol(struct rt_device *dev, int vol)
dev->muted = 0;
if(vol > dev->curvol)
- for(i = dev->curvol; i < vol; i++)
+ for(i = dev->curvol; i < vol; i++)
rt_incvol();
else
- for(i = dev->curvol; i > vol; i--)
+ for(i = dev->curvol; i > vol; i--)
rt_decvol();
dev->curvol = vol;
@@ -125,7 +126,7 @@ static int rt_setvol(struct rt_device *dev, int vol)
return 0;
}
-/* the 128+64 on these outb's is to keep the volume stable while tuning
+/* the 128+64 on these outb's is to keep the volume stable while tuning
* without them, the volume _will_ creep up with each frequency change
* and bit 4 (+16) is to keep the signal strength meter enabled
*/
@@ -140,7 +141,7 @@ static void send_0_byte(int port, struct rt_device *dev)
outb_p(128+64+16+8+ 1, port); /* on + wr-enable + data low */
outb_p(128+64+16+8+2+1, port); /* clock */
}
- sleep_delay(1000);
+ sleep_delay(1000);
}
static void send_1_byte(int port, struct rt_device *dev)
@@ -148,13 +149,13 @@ static void send_1_byte(int port, struct rt_device *dev)
if ((dev->curvol == 0) || (dev->muted)) {
outb_p(128+64+16+4 +1, port); /* wr-enable+data high */
outb_p(128+64+16+4+2+1, port); /* clock */
- }
+ }
else {
outb_p(128+64+16+8+4 +1, port); /* on+wr-enable+data high */
outb_p(128+64+16+8+4+2+1, port); /* clock */
}
- sleep_delay(1000);
+ sleep_delay(1000);
}
static int rt_setfreq(struct rt_device *dev, unsigned long freq)
@@ -167,9 +168,9 @@ static int rt_setfreq(struct rt_device *dev, unsigned long freq)
freq += 171200; /* Add 10.7 MHz IF */
freq /= 800; /* Convert to 50 kHz units */
-
+
mutex_lock(&lock); /* Stop other ops interfering */
-
+
send_0_byte (io, dev); /* 0: LSB of frequency */
for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
@@ -195,7 +196,7 @@ static int rt_setfreq(struct rt_device *dev, unsigned long freq)
outb (0xd0, io); /* volume steady + sigstr */
else
outb (0xd8, io); /* volume steady + sigstr + on */
-
+
mutex_unlock(&lock);
return 0;
@@ -213,7 +214,7 @@ static int rt_do_ioctl(struct inode *inode, struct file *file,
{
struct video_device *dev = video_devdata(file);
struct rt_device *rt=dev->priv;
-
+
switch(cmd)
{
case VIDIOCGCAP:
@@ -229,7 +230,7 @@ static int rt_do_ioctl(struct inode *inode, struct file *file,
case VIDIOCGTUNER:
{
struct video_tuner *v = arg;
- if(v->tuner) /* Only 1 tuner */
+ if(v->tuner) /* Only 1 tuner */
return -EINVAL;
v->rangelow=(87*16000);
v->rangehigh=(108*16000);
@@ -261,21 +262,21 @@ static int rt_do_ioctl(struct inode *inode, struct file *file,
return 0;
}
case VIDIOCGAUDIO:
- {
+ {
struct video_audio *v = arg;
memset(v,0, sizeof(*v));
v->flags|=VIDEO_AUDIO_MUTABLE|VIDEO_AUDIO_VOLUME;
v->volume=rt->curvol * 6554;
v->step=6554;
strcpy(v->name, "Radio");
- return 0;
+ return 0;
}
case VIDIOCSAUDIO:
{
struct video_audio *v = arg;
- if(v->audio)
+ if(v->audio)
return -EINVAL;
- if(v->flags&VIDEO_AUDIO_MUTE)
+ if(v->flags&VIDEO_AUDIO_MUTE)
rt_mute(rt);
else
rt_setvol(rt,v->volume/6554);
@@ -298,7 +299,7 @@ static struct file_operations rtrack_fops = {
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,
- .ioctl = rt_ioctl,
+ .ioctl = rt_ioctl,
.compat_ioctl = v4l_compat_ioctl32,
.llseek = no_llseek,
};
@@ -320,14 +321,14 @@ static int __init rtrack_init(void)
return -EINVAL;
}
- if (!request_region(io, 2, "rtrack"))
+ if (!request_region(io, 2, "rtrack"))
{
printk(KERN_ERR "rtrack: port 0x%x already in use\n", io);
return -EBUSY;
}
rtrack_radio.priv=&rtrack_unit;
-
+
if(video_register_device(&rtrack_radio, VFL_TYPE_RADIO, radio_nr)==-1)
{
release_region(io, 2);
@@ -336,10 +337,10 @@ static int __init rtrack_init(void)
printk(KERN_INFO "AIMSlab RadioTrack/RadioReveal card driver.\n");
/* Set up the I/O locking */
-
+
mutex_init(&lock);
-
- /* mute card - prevents noisy bootups */
+
+ /* mute card - prevents noisy bootups */
/* this ensures that the volume is all the way down */
outb(0x48, io); /* volume down but still "on" */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 07:21:35 +0000