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path: root/drivers/media/radio/radio-aztech.c
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Diffstat (limited to 'drivers/media/radio/radio-aztech.c')
-rw-r--r--drivers/media/radio/radio-aztech.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/drivers/media/radio/radio-aztech.c b/drivers/media/radio/radio-aztech.c
index 83bdae23417d..95e6322133ee 100644
--- a/drivers/media/radio/radio-aztech.c
+++ b/drivers/media/radio/radio-aztech.c
@@ -1,11 +1,11 @@
-/* radio-aztech.c - Aztech radio card driver for Linux 2.2
+/* radio-aztech.c - Aztech radio card driver for Linux 2.2
*
- * Adapted to support the Video for Linux API by
+ * Adapted to support the Video for Linux API by
* Russell Kroll <rkroll@exploits.org>. Based on original tuner code by:
*
* Quay Ly
* Donald Song
- * Jason Lewis (jlewis@twilight.vtc.vsc.edu)
+ * Jason Lewis (jlewis@twilight.vtc.vsc.edu)
* Scott McGrath (smcgrath@twilight.vtc.vsc.edu)
* William McGrath (wmcgrath@twilight.vtc.vsc.edu)
*
@@ -31,6 +31,7 @@
#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_AZTECH_PORT */
/* acceptable ports: 0x350 (JP3 shorted), 0x358 (JP3 open) */
@@ -39,7 +40,7 @@
#define CONFIG_RADIO_AZTECH_PORT -1
#endif
-static int io = CONFIG_RADIO_AZTECH_PORT;
+static int io = CONFIG_RADIO_AZTECH_PORT;
static int radio_nr = -1;
static int radio_wait_time = 1000;
static struct mutex lock;
@@ -53,15 +54,15 @@ struct az_device
static int volconvert(int level)
{
- level>>=14; /* Map 16bits down to 2 bit */
- level&=3;
-
+ level>>=14; /* Map 16bits down to 2 bit */
+ level&=3;
+
/* convert to card-friendly values */
- switch (level)
+ switch (level)
{
- case 0:
+ case 0:
return 0;
- case 1:
+ case 1:
return 1;
case 2:
return 4;
@@ -121,9 +122,9 @@ static int az_setfreq(struct az_device *dev, unsigned long frequency)
frequency += 171200; /* Add 10.7 MHz IF */
frequency /= 800; /* Convert to 50 kHz units */
-
+
mutex_lock(&lock);
-
+
send_0_byte (dev); /* 0: LSB of frequency */
for (i = 0; i < 13; i++) /* : frequency bits (1-13) */
@@ -151,7 +152,7 @@ static int az_setfreq(struct az_device *dev, unsigned long frequency)
udelay (radio_wait_time);
outb_p(128+64+volconvert(dev->curvol), io);
-
+
mutex_unlock(&lock);
return 0;
@@ -162,7 +163,7 @@ static int az_do_ioctl(struct inode *inode, struct file *file,
{
struct video_device *dev = video_devdata(file);
struct az_device *az = dev->priv;
-
+
switch(cmd)
{
case VIDIOCGCAP:
@@ -178,7 +179,7 @@ static int az_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);
@@ -211,7 +212,7 @@ static int az_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;
@@ -222,17 +223,17 @@ static int az_do_ioctl(struct inode *inode, struct file *file,
v->volume=az->curvol;
v->step=16384;
strcpy(v->name, "Radio");
- return 0;
+ return 0;
}
case VIDIOCSAUDIO:
{
struct video_audio *v = arg;
- if(v->audio)
+ if(v->audio)
return -EINVAL;
az->curvol=v->volume;
az->stereo=(v->mode&VIDEO_SOUND_STEREO)?1:0;
- if(v->flags&VIDEO_AUDIO_MUTE)
+ if(v->flags&VIDEO_AUDIO_MUTE)
az_setvol(az,0);
else
az_setvol(az,az->curvol);
@@ -277,7 +278,7 @@ static int __init aztech_init(void)
return -EINVAL;
}
- if (!request_region(io, 2, "aztech"))
+ if (!request_region(io, 2, "aztech"))
{
printk(KERN_ERR "aztech: port 0x%x already in use\n", io);
return -EBUSY;
@@ -285,13 +286,13 @@ static int __init aztech_init(void)
mutex_init(&lock);
aztech_radio.priv=&aztech_unit;
-
+
if(video_register_device(&aztech_radio, VFL_TYPE_RADIO, radio_nr)==-1)
{
release_region(io,2);
return -EINVAL;
}
-
+
printk(KERN_INFO "Aztech radio card driver v1.00/19990224 rkroll@exploits.org\n");
/* mute card - prevents noisy bootups */
outb (0, io);