static unsigned int debug;
module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug,"enable debug messages");
+MODULE_PARM_DESC(debug, "enable debug messages");
MODULE_AUTHOR("Bill Dirks");
MODULE_DESCRIPTION("v4l(1) compatibility layer for v4l2 drivers.");
MODULE_LICENSE("GPL");
-#define dprintk(fmt, arg...) if (debug) \
- printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg)
+#define dprintk(fmt, arg...) \
+ do { \
+ if (debug) \
+ printk(KERN_DEBUG "v4l1-compat: " fmt , ## arg);\
+ } while (0)
/*
* I O C T L T R A N S L A T I O N
qctrl2.id = cid;
err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
if (err < 0)
- dprintk("VIDIOC_QUERYCTRL: %d\n",err);
- if (err == 0 &&
- !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED))
- {
+ dprintk("VIDIOC_QUERYCTRL: %d\n", err);
+ if (err == 0 && !(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED)) {
ctrl2.id = qctrl2.id;
err = drv(inode, file, VIDIOC_G_CTRL, &ctrl2);
if (err < 0) {
- dprintk("VIDIOC_G_CTRL: %d\n",err);
+ dprintk("VIDIOC_G_CTRL: %d\n", err);
return 0;
}
return ((ctrl2.value - qctrl2.minimum) * 65535
qctrl2.id = cid;
err = drv(inode, file, VIDIOC_QUERYCTRL, &qctrl2);
if (err < 0)
- dprintk("VIDIOC_QUERYCTRL: %d\n",err);
+ dprintk("VIDIOC_QUERYCTRL: %d\n", err);
if (err == 0 &&
!(qctrl2.flags & V4L2_CTRL_FLAG_DISABLED) &&
- !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED))
- {
+ !(qctrl2.flags & V4L2_CTRL_FLAG_GRABBED)) {
if (value < 0)
value = 0;
if (value > 65535)
ctrl2.value += qctrl2.minimum;
err = drv(inode, file, VIDIOC_S_CTRL, &ctrl2);
if (err < 0)
- dprintk("VIDIOC_S_CTRL: %d\n",err);
+ dprintk("VIDIOC_S_CTRL: %d\n", err);
}
return 0;
}
pixelformat_to_palette(unsigned int pixelformat)
{
int palette = 0;
- switch (pixelformat)
- {
+ switch (pixelformat) {
case V4L2_PIX_FMT_GREY:
palette = VIDEO_PALETTE_GREY;
break;
int i;
for (i = 0;; i++) {
- memset(&input2,0,sizeof(input2));
+ memset(&input2, 0, sizeof(input2));
input2.index = i;
- if (0 != drv(inode,file,VIDIOC_ENUMINPUT, &input2))
+ if (0 != drv(inode, file, VIDIOC_ENUMINPUT, &input2))
break;
}
return i;
struct v4l2_fmtdesc desc2;
struct v4l2_format fmt2;
- memset(&desc2,0,sizeof(desc2));
- memset(&fmt2,0,sizeof(fmt2));
+ memset(&desc2, 0, sizeof(desc2));
+ memset(&fmt2, 0, sizeof(fmt2));
desc2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- if (0 != drv(inode,file,VIDIOC_ENUM_FMT, &desc2))
+ if (0 != drv(inode, file, VIDIOC_ENUM_FMT, &desc2))
goto done;
fmt2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fmt2.fmt.pix.width = 10000;
fmt2.fmt.pix.height = 10000;
fmt2.fmt.pix.pixelformat = desc2.pixelformat;
- if (0 != drv(inode,file,VIDIOC_TRY_FMT, &fmt2))
+ if (0 != drv(inode, file, VIDIOC_TRY_FMT, &fmt2))
goto done;
*maxw = fmt2.fmt.pix.width;
err = drv(inode, file, VIDIOC_QUERYCAP, cap2);
if (err < 0) {
- dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n",err);
+ dprintk("VIDIOCGCAP / VIDIOC_QUERYCAP: %d\n", err);
break;
}
if (cap2->capabilities & V4L2_CAP_VIDEO_OVERLAY) {
err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
if (err < 0) {
- dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n",err);
+ dprintk("VIDIOCGCAP / VIDIOC_G_FBUF: %d\n", err);
memset(&fbuf2, 0, sizeof(fbuf2));
}
err = 0;
if (fbuf2.capability & V4L2_FBUF_CAP_LIST_CLIPPING)
cap->type |= VID_TYPE_CLIPPING;
- cap->channels = count_inputs(inode,file,drv);
- check_size(inode,file,drv,
- &cap->maxwidth,&cap->maxheight);
+ cap->channels = count_inputs(inode, file, drv);
+ check_size(inode, file, drv,
+ &cap->maxwidth, &cap->maxheight);
cap->audios = 0; /* FIXME */
cap->minwidth = 48; /* FIXME */
cap->minheight = 32; /* FIXME */
err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
if (err < 0) {
- dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n",err);
+ dprintk("VIDIOCGFBUF / VIDIOC_G_FBUF: %d\n", err);
break;
}
buffer->base = fbuf2.base;
buffer->bytesperline = fbuf2.fmt.bytesperline;
if (!buffer->depth && buffer->width)
buffer->depth = ((fbuf2.fmt.bytesperline<<3)
- + (buffer->width-1) )
- /buffer->width;
+ + (buffer->width-1))
+ / buffer->width;
} else {
buffer->bytesperline =
(buffer->width * buffer->depth + 7) & 7;
fbuf2.fmt.bytesperline = buffer->bytesperline;
err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2);
if (err < 0)
- dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n",err);
+ dprintk("VIDIOCSFBUF / VIDIOC_S_FBUF: %d\n", err);
break;
}
case VIDIOCGWIN: /* get window or capture dimensions */
err = -ENOMEM;
break;
}
- memset(win,0,sizeof(*win));
+ memset(win, 0, sizeof(*win));
fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err < 0)
- dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n",err);
+ dprintk("VIDIOCGWIN / VIDIOC_G_WIN: %d\n", err);
if (err == 0) {
win->x = fmt2->fmt.win.w.left;
win->y = fmt2->fmt.win.w.top;
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err < 0) {
- dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n",err);
+ dprintk("VIDIOCGWIN / VIDIOC_G_FMT: %d\n", err);
break;
}
win->x = 0;
case VIDIOCSWIN: /* set window and/or capture dimensions */
{
struct video_window *win = arg;
- int err1,err2;
+ int err1, err2;
fmt2 = kzalloc(sizeof(*fmt2), GFP_KERNEL);
if (!fmt2) {
drv(inode, file, VIDIOC_STREAMOFF, &fmt2->type);
err1 = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err1 < 0)
- dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n",err);
+ dprintk("VIDIOCSWIN / VIDIOC_G_FMT: %d\n", err);
if (err1 == 0) {
fmt2->fmt.pix.width = win->width;
fmt2->fmt.pix.height = win->height;
win->height = fmt2->fmt.pix.height;
}
- memset(fmt2,0,sizeof(*fmt2));
+ memset(fmt2, 0, sizeof(*fmt2));
fmt2->type = V4L2_BUF_TYPE_VIDEO_OVERLAY;
fmt2->fmt.win.w.left = win->x;
fmt2->fmt.win.w.top = win->y;
fmt2->fmt.win.clipcount = win->clipcount;
err2 = drv(inode, file, VIDIOC_S_FMT, fmt2);
if (err2 < 0)
- dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n",err);
+ dprintk("VIDIOCSWIN / VIDIOC_S_FMT #2: %d\n", err);
if (err1 != 0 && err2 != 0)
err = err1;
}
err = drv(inode, file, VIDIOC_OVERLAY, arg);
if (err < 0)
- dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n",err);
+ dprintk("VIDIOCCAPTURE / VIDIOC_PREVIEW: %d\n", err);
break;
}
case VIDIOCGCHAN: /* get input information */
{
struct video_channel *chan = arg;
- memset(&input2,0,sizeof(input2));
+ memset(&input2, 0, sizeof(input2));
input2.index = chan->channel;
err = drv(inode, file, VIDIOC_ENUMINPUT, &input2);
if (err < 0) {
dprintk("VIDIOCGCHAN / VIDIOC_ENUMINPUT: "
- "channel=%d err=%d\n",chan->channel,err);
+ "channel=%d err=%d\n", chan->channel, err);
break;
}
chan->channel = input2.index;
chan->norm = 0;
err = drv(inode, file, VIDIOC_G_STD, &sid);
if (err < 0)
- dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n",err);
+ dprintk("VIDIOCGCHAN / VIDIOC_G_STD: %d\n", err);
if (err == 0) {
if (sid & V4L2_STD_PAL)
chan->norm = VIDEO_MODE_PAL;
sid = 0;
err = drv(inode, file, VIDIOC_S_INPUT, &chan->channel);
if (err < 0)
- dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n",err);
+ dprintk("VIDIOCSCHAN / VIDIOC_S_INPUT: %d\n", err);
switch (chan->norm) {
case VIDEO_MODE_PAL:
sid = V4L2_STD_PAL;
if (0 != sid) {
err = drv(inode, file, VIDIOC_S_STD, &sid);
if (err < 0)
- dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n",err);
+ dprintk("VIDIOCSCHAN / VIDIOC_S_STD: %d\n", err);
}
break;
}
}
pict->brightness = get_v4l_control(inode, file,
- V4L2_CID_BRIGHTNESS,drv);
+ V4L2_CID_BRIGHTNESS, drv);
pict->hue = get_v4l_control(inode, file,
V4L2_CID_HUE, drv);
pict->contrast = get_v4l_control(inode, file,
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err < 0) {
- dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n",err);
+ dprintk("VIDIOCGPICT / VIDIOC_G_FMT: %d\n", err);
break;
}
- pict->depth = ((fmt2->fmt.pix.bytesperline<<3)
- + (fmt2->fmt.pix.width-1) )
- /fmt2->fmt.pix.width;
+ pict->depth = ((fmt2->fmt.pix.bytesperline << 3)
+ + (fmt2->fmt.pix.width - 1))
+ / fmt2->fmt.pix.width;
pict->palette = pixelformat_to_palette(
fmt2->fmt.pix.pixelformat);
break;
support memory capture. Trying to set the memory capture
parameters would be pointless. */
if (err < 0) {
- dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n",err);
+ dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n", err);
mem_err = -1000; /* didn't even try */
} else if (fmt2->fmt.pix.pixelformat !=
palette_to_pixelformat(pict->palette)) {
support overlay. Trying to set the overlay parameters
would be quite pointless. */
if (err < 0) {
- dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n",err);
+ dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n", err);
ovl_err = -1000; /* didn't even try */
} else if (fbuf2.fmt.pixelformat !=
palette_to_pixelformat(pict->palette)) {
dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
ovl_err);
}
- if (ovl_err < 0 && mem_err < 0)
+ if (ovl_err < 0 && mem_err < 0) {
/* ioctl failed, couldn't set either parameter */
- if (mem_err != -1000) {
- err = mem_err;
- } else if (ovl_err == -EPERM) {
- err = 0;
- } else {
- err = ovl_err;
- }
- else
+ if (mem_err != -1000)
+ err = mem_err;
+ else if (ovl_err == -EPERM)
+ err = 0;
+ else
+ err = ovl_err;
+ } else
err = 0;
break;
}
{
struct video_tuner *tun = arg;
- memset(&tun2,0,sizeof(tun2));
+ memset(&tun2, 0, sizeof(tun2));
err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
if (err < 0) {
- dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n",err);
+ dprintk("VIDIOCGTUNER / VIDIOC_G_TUNER: %d\n", err);
break;
}
memcpy(tun->name, tun2.name,
tun->mode = VIDEO_MODE_AUTO;
for (i = 0; i < 64; i++) {
- memset(&std2,0,sizeof(std2));
+ memset(&std2, 0, sizeof(std2));
std2.index = i;
if (0 != drv(inode, file, VIDIOC_ENUMSTD, &std2))
break;
err = drv(inode, file, VIDIOC_G_STD, &sid);
if (err < 0)
- dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n",err);
+ dprintk("VIDIOCGTUNER / VIDIOC_G_STD: %d\n", err);
if (err == 0) {
if (sid & V4L2_STD_PAL)
tun->mode = VIDEO_MODE_PAL;
{
struct video_tuner *tun = arg;
struct v4l2_tuner t;
- memset(&t,0,sizeof(t));
+ memset(&t, 0, sizeof(t));
- t.index=tun->tuner;
+ t.index = tun->tuner;
err = drv(inode, file, VIDIOC_S_INPUT, &t);
if (err < 0)
- dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n",err);
+ dprintk("VIDIOCSTUNER / VIDIOC_S_INPUT: %d\n", err);
break;
}
case VIDIOCGFREQ: /* get frequency */
{
unsigned long *freq = arg;
- memset(&freq2,0,sizeof(freq2));
+ memset(&freq2, 0, sizeof(freq2));
freq2.tuner = 0;
err = drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
if (err < 0)
- dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n",err);
+ dprintk("VIDIOCGFREQ / VIDIOC_G_FREQUENCY: %d\n", err);
if (0 == err)
*freq = freq2.frequency;
break;
case VIDIOCSFREQ: /* set frequency */
{
unsigned long *freq = arg;
- memset(&freq2,0,sizeof(freq2));
+ memset(&freq2, 0, sizeof(freq2));
drv(inode, file, VIDIOC_G_FREQUENCY, &freq2);
freq2.frequency = *freq;
err = drv(inode, file, VIDIOC_S_FREQUENCY, &freq2);
if (err < 0)
- dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n",err);
+ dprintk("VIDIOCSFREQ / VIDIOC_S_FREQUENCY: %d\n", err);
break;
}
case VIDIOCGAUDIO: /* get audio properties/controls */
{
struct video_audio *aud = arg;
- memset(&aud2,0,sizeof(aud2));
+ memset(&aud2, 0, sizeof(aud2));
err = drv(inode, file, VIDIOC_G_AUDIO, &aud2);
if (err < 0) {
- dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n",err);
+ dprintk("VIDIOCGAUDIO / VIDIOC_G_AUDIO: %d\n", err);
break;
}
memcpy(aud->name, aud2.name,
aud->step = qctrl2.step;
aud->mode = 0;
- memset(&tun2,0,sizeof(tun2));
+ memset(&tun2, 0, sizeof(tun2));
err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
if (err < 0) {
- dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n",err);
+ dprintk("VIDIOCGAUDIO / VIDIOC_G_TUNER: %d\n", err);
err = 0;
break;
}
{
struct video_audio *aud = arg;
- memset(&aud2,0,sizeof(aud2));
- memset(&tun2,0,sizeof(tun2));
+ memset(&aud2, 0, sizeof(aud2));
+ memset(&tun2, 0, sizeof(tun2));
aud2.index = aud->audio;
err = drv(inode, file, VIDIOC_S_AUDIO, &aud2);
if (err < 0) {
- dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n",err);
+ dprintk("VIDIOCSAUDIO / VIDIOC_S_AUDIO: %d\n", err);
break;
}
err = drv(inode, file, VIDIOC_G_TUNER, &tun2);
if (err < 0)
- dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n",err);
+ dprintk("VIDIOCSAUDIO / VIDIOC_G_TUNER: %d\n", err);
if (err == 0) {
switch (aud->mode) {
default:
}
err = drv(inode, file, VIDIOC_S_TUNER, &tun2);
if (err < 0)
- dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n",err);
+ dprintk("VIDIOCSAUDIO / VIDIOC_S_TUNER: %d\n", err);
}
err = 0;
break;
err = -ENOMEM;
break;
}
- memset(&buf2,0,sizeof(buf2));
+ memset(&buf2, 0, sizeof(buf2));
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
if (err < 0) {
- dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n",err);
+ dprintk("VIDIOCMCAPTURE / VIDIOC_G_FMT: %d\n", err);
break;
}
if (mm->width != fmt2->fmt.pix.width ||
mm->height != fmt2->fmt.pix.height ||
palette_to_pixelformat(mm->format) !=
- fmt2->fmt.pix.pixelformat)
- {/* New capture format... */
+ fmt2->fmt.pix.pixelformat) {
+ /* New capture format... */
fmt2->fmt.pix.width = mm->width;
fmt2->fmt.pix.height = mm->height;
fmt2->fmt.pix.pixelformat =
fmt2->fmt.pix.bytesperline = 0;
err = drv(inode, file, VIDIOC_S_FMT, fmt2);
if (err < 0) {
- dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n",err);
+ dprintk("VIDIOCMCAPTURE / VIDIOC_S_FMT: %d\n", err);
break;
}
}
buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
if (err < 0) {
- dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n",err);
+ dprintk("VIDIOCMCAPTURE / VIDIOC_QUERYBUF: %d\n", err);
break;
}
err = drv(inode, file, VIDIOC_QBUF, &buf2);
if (err < 0) {
- dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n",err);
+ dprintk("VIDIOCMCAPTURE / VIDIOC_QBUF: %d\n", err);
break;
}
err = drv(inode, file, VIDIOC_STREAMON, &captype);
if (err < 0)
- dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n",err);
+ dprintk("VIDIOCMCAPTURE / VIDIOC_STREAMON: %d\n", err);
break;
}
case VIDIOCSYNC: /* wait for a frame */
{
int *i = arg;
- memset(&buf2,0,sizeof(buf2));
+ memset(&buf2, 0, sizeof(buf2));
buf2.index = *i;
buf2.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
if (err < 0) {
/* No such buffer */
- dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err);
+ dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n", err);
break;
}
if (!(buf2.flags & V4L2_BUF_FLAG_MAPPED)) {
/* make sure capture actually runs so we don't block forever */
err = drv(inode, file, VIDIOC_STREAMON, &captype);
if (err < 0) {
- dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n",err);
+ dprintk("VIDIOCSYNC / VIDIOC_STREAMON: %d\n", err);
break;
}
/* Loop as long as the buffer is queued, but not done */
while ((buf2.flags &
(V4L2_BUF_FLAG_QUEUED | V4L2_BUF_FLAG_DONE))
- == V4L2_BUF_FLAG_QUEUED)
- {
+ == V4L2_BUF_FLAG_QUEUED) {
err = poll_one(file);
if (err < 0 || /* error or sleep was interrupted */
err == 0) /* timeout? Shouldn't occur. */
break;
err = drv(inode, file, VIDIOC_QUERYBUF, &buf2);
if (err < 0)
- dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n",err);
+ dprintk("VIDIOCSYNC / VIDIOC_QUERYBUF: %d\n", err);
}
if (!(buf2.flags & V4L2_BUF_FLAG_DONE)) /* not done */
break;
do {
err = drv(inode, file, VIDIOC_DQBUF, &buf2);
if (err < 0)
- dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n",err);
+ dprintk("VIDIOCSYNC / VIDIOC_DQBUF: %d\n", err);
} while (err == 0 && buf2.index != *i);
break;
}
kfree(fmt2);
return err;
}
-
EXPORT_SYMBOL(v4l_compat_translate_ioctl);
/*
projects / linux-2.6 / commitdiff