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V4L/DVB (5154): Add some debug info, depending on debug level

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With debug>0, it will show mute/unmute and set frequency events
with debug>=4, it will show get frequency events
Also, some kernel CodingStyle fixes were done.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2007-01-26 07:23:44 -03:00
parent b61f8d695c
commit f1557cebc8
1 changed files with 56 additions and 16 deletions
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72
drivers/media/radio/radio-maxiradio.c
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@ -45,10 +45,18 @@
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#define DRIVER_VERSION "0.76"
#define DRIVER_VERSION "0.77"
#include <linux/version.h> /* for KERNEL_VERSION MACRO */
#define RADIO_VERSION KERNEL_VERSION(0,7,6)
#define RADIO_VERSION KERNEL_VERSION(0,7,7)
static struct video_device maxiradio_radio;
#define dprintk(num, fmt, arg...) \
do { \
if (maxiradio_radio.debug >= num) \
printk(KERN_DEBUG "%s: " fmt, \
maxiradio_radio.name, ## arg); } while (0)
static struct v4l2_queryctrl radio_qctrl[] = {
{
@ -83,8 +91,9 @@ module_param(radio_nr, int, 0);
#define FREQ_IF 171200 /* 10.7*16000 */
#define FREQ_STEP 200 /* 12.5*16 */
#define FREQ2BITS(x) ((( (unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1))\
/(FREQ_STEP<<2))<<2) /* (x==fmhz*16*1000) -> bits */
/* (x==fmhz*16*1000) -> bits */
#define FREQ2BITS(x) ((( (unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1)) \
/(FREQ_STEP<<2))<<2)
#define BITS2FREQ(x) ((x) * FREQ_STEP - FREQ_IF)
@ -113,7 +122,7 @@ static struct radio_device
static void outbit(unsigned long bit, __u16 io)
{
if(bit != 0)
if (bit != 0)
{
outb( power|wren|data ,io); udelay(4);
outb( power|wren|data|clk ,io); udelay(4);
@ -129,14 +138,20 @@ static void outbit(unsigned long bit, __u16 io)
static void turn_power(__u16 io, int p)
{
if(p != 0) outb(power, io); else outb(0,io);
if (p != 0) {
dprintk(1, "Radio powered on\n");
outb(power, io);
} else {
dprintk(1, "Radio powered off\n");
outb(0,io);
}
}
static void set_freq(__u16 io, __u32 data)
static void set_freq(__u16 io, __u32 freq)
{
unsigned long int si;
int bl;
int data = FREQ2BITS(freq);
/* TEA5757 shift register bits (see pdf) */
@ -155,20 +170,31 @@ static void set_freq(__u16 io, __u32 data)
outbit(0,io); // 16 search level
si = 0x8000;
for(bl = 1; bl <= 16 ; bl++) { outbit(data & si,io); si >>=1; }
for (bl = 1; bl <= 16 ; bl++) {
outbit(data & si,io);
si >>=1;
}
outb(power,io);
dprintk(1, "Radio freq set to %d.%02d MHz\n",
freq / 16000,
freq % 16000 * 100 / 16000);
turn_power(io, 1);
}
static int get_stereo(__u16 io)
{
outb(power,io); udelay(4);
outb(power,io);
udelay(4);
return !(inb(io) & mo_st);
}
static int get_tune(__u16 io)
{
outb(power+clk,io); udelay(4);
outb(power+clk,io);
udelay(4);
return !(inb(io) & mo_st);
}
@ -234,6 +260,7 @@ static int vidioc_g_audio (struct file *file, void *priv,
static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i)
{
*i = 0;
return 0;
}
@ -241,6 +268,7 @@ static int vidioc_s_input(struct file *filp, void *priv, unsigned int i)
{
if (i != 0)
return -EINVAL;
return 0;
}
@ -260,11 +288,17 @@ static int vidioc_s_frequency (struct file *file, void *priv,
struct video_device *dev = video_devdata(file);
struct radio_device *card=dev->priv;
if (f->frequency < FREQ_LO || f->frequency > FREQ_HI)
if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) {
dprintk(1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n",
f->frequency / 16000,
f->frequency % 16000 * 100 / 16000,
FREQ_LO / 16000, FREQ_HI / 16000);
return -EINVAL;
}
card->freq = f->frequency;
set_freq(card->io, FREQ2BITS(card->freq));
set_freq(card->io, card->freq);
msleep(125);
return 0;
@ -279,6 +313,10 @@ static int vidioc_g_frequency (struct file *file, void *priv,
f->type = V4L2_TUNER_RADIO;
f->frequency = card->freq;
dprintk(4, "radio freq is %d.%02d MHz",
f->frequency / 16000,
f->frequency % 16000 * 100 / 16000);
return 0;
}
@ -293,6 +331,7 @@ static int vidioc_queryctrl (struct file *file, void *priv,
return (0);
}
}
return -EINVAL;
}
@ -307,6 +346,7 @@ static int vidioc_g_ctrl (struct file *file, void *priv,
ctrl->value=card->muted;
return (0);
}
return -EINVAL;
}
@ -322,9 +362,10 @@ static int vidioc_s_ctrl (struct file *file, void *priv,
if(card->muted)
turn_power(card->io, 0);
else
set_freq(card->io, FREQ2BITS(card->freq));
set_freq(card->io, card->freq);
return 0;
}
return -EINVAL;
}
@ -347,7 +388,6 @@ static struct video_device maxiradio_radio =
.vidioc_queryctrl = vidioc_queryctrl,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
};
static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)