diff options
Diffstat (limited to 'drivers/media/radio/radio-gemtek.c')
| -rw-r--r-- | drivers/media/radio/radio-gemtek.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/media/radio/radio-gemtek.c b/drivers/media/radio/radio-gemtek.c index 47173be..162f37d 100644 --- a/drivers/media/radio/radio-gemtek.c +++ b/drivers/media/radio/radio-gemtek.c @@ -6,7 +6,7 @@ * Besides the protocol changes, this is mostly a copy of: * * RadioTrack II driver for Linux radio support (C) 1998 Ben Pfaff - * + * * Based on RadioTrack I/RadioReveal (C) 1997 M. Kirkwood * Converted to new API by Alan Cox <Alan.Cox@linux.org> * Various bugfixes and enhancements by Russell Kroll <rkroll@exploits.org> @@ -22,6 +22,7 @@ #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_GEMTEK_PORT */ #include <linux/spinlock.h> @@ -29,7 +30,7 @@ #define CONFIG_RADIO_GEMTEK_PORT -1 #endif -static int io = CONFIG_RADIO_GEMTEK_PORT; +static int io = CONFIG_RADIO_GEMTEK_PORT; static int radio_nr = -1; static spinlock_t lock; @@ -48,7 +49,7 @@ struct gemtek_device */ static void gemtek_mute(struct gemtek_device *dev) { - if(dev->muted) + if(dev->muted) return; spin_lock(&lock); outb(0x10, io); @@ -94,20 +95,20 @@ static int gemtek_setfreq(struct gemtek_device *dev, unsigned long freq) freq /= 100000; spin_lock(&lock); - + /* 2 start bits */ outb_p(0x03, io); udelay(5); outb_p(0x07, io); udelay(5); - /* 28 frequency bits (lsb first) */ + /* 28 frequency bits (lsb first) */ for (i = 0; i < 14; i++) if (freq & (1 << i)) one(); else zero(); - /* 36 unknown bits */ + /* 36 unknown bits */ for (i = 0; i < 11; i++) zero(); one(); @@ -123,7 +124,7 @@ static int gemtek_setfreq(struct gemtek_device *dev, unsigned long freq) udelay(5); spin_unlock(&lock); - + return 0; } @@ -159,7 +160,7 @@ static int gemtek_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; @@ -193,25 +194,25 @@ static int gemtek_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; v->volume=1; v->step=65535; 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) gemtek_mute(rt); else - gemtek_unmute(rt); + gemtek_unmute(rt); return 0; } @@ -254,14 +255,14 @@ static int __init gemtek_init(void) return -EINVAL; } - if (!request_region(io, 4, "gemtek")) + if (!request_region(io, 4, "gemtek")) { printk(KERN_ERR "gemtek: port 0x%x already in use\n", io); return -EBUSY; } gemtek_radio.priv=&gemtek_unit; - + if(video_register_device(&gemtek_radio, VFL_TYPE_RADIO, radio_nr)==-1) { release_region(io, 4); @@ -274,7 +275,7 @@ static int __init gemtek_init(void) /* this is _maybe_ unnecessary */ outb(0x01, io); - /* mute card - prevents noisy bootups */ + /* mute card - prevents noisy bootups */ gemtek_unit.muted = 0; gemtek_mute(&gemtek_unit); |
