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path: root/drivers/media/common/saa7146_video.c
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Diffstat (limited to 'drivers/media/common/saa7146_video.c')
-rw-r--r--drivers/media/common/saa7146_video.c184
1 files changed, 95 insertions, 89 deletions
diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c
index 9aafa4e..ce30533 100644
--- a/drivers/media/common/saa7146_video.c
+++ b/drivers/media/common/saa7146_video.c
@@ -1,5 +1,8 @@
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <media/saa7146_vv.h>
#include <media/v4l2-chip-ident.h>
+#include <linux/module.h>
static int max_memory = 32;
@@ -94,7 +97,7 @@ struct saa7146_format* saa7146_format_by_fourcc(struct saa7146_dev *dev, int fou
}
}
- DEB_D(("unknown pixelformat:'%4.4s'\n",(char *)&fourcc));
+ DEB_D("unknown pixelformat:'%4.4s'\n", (char *)&fourcc);
return NULL;
}
@@ -107,32 +110,32 @@ int saa7146_start_preview(struct saa7146_fh *fh)
struct v4l2_format fmt;
int ret = 0, err = 0;
- DEB_EE(("dev:%p, fh:%p\n",dev,fh));
+ DEB_EE("dev:%p, fh:%p\n", dev, fh);
/* check if we have overlay informations */
if( NULL == fh->ov.fh ) {
- DEB_D(("no overlay data available. try S_FMT first.\n"));
+ DEB_D("no overlay data available. try S_FMT first.\n");
return -EAGAIN;
}
/* check if streaming capture is running */
if (IS_CAPTURE_ACTIVE(fh) != 0) {
- DEB_D(("streaming capture is active.\n"));
+ DEB_D("streaming capture is active\n");
return -EBUSY;
}
/* check if overlay is running */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
if (vv->video_fh == fh) {
- DEB_D(("overlay is already active.\n"));
+ DEB_D("overlay is already active\n");
return 0;
}
- DEB_D(("overlay is already active in another open.\n"));
+ DEB_D("overlay is already active in another open\n");
return -EBUSY;
}
if (0 == saa7146_res_get(fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP)) {
- DEB_D(("cannot get necessary overlay resources\n"));
+ DEB_D("cannot get necessary overlay resources\n");
return -EBUSY;
}
@@ -145,13 +148,13 @@ int saa7146_start_preview(struct saa7146_fh *fh)
fh->ov.win = fmt.fmt.win;
vv->ov_data = &fh->ov;
- DEB_D(("%dx%d+%d+%d %s field=%s\n",
- fh->ov.win.w.width,fh->ov.win.w.height,
- fh->ov.win.w.left,fh->ov.win.w.top,
- vv->ov_fmt->name,v4l2_field_names[fh->ov.win.field]));
+ DEB_D("%dx%d+%d+%d %s field=%s\n",
+ fh->ov.win.w.width, fh->ov.win.w.height,
+ fh->ov.win.w.left, fh->ov.win.w.top,
+ vv->ov_fmt->name, v4l2_field_names[fh->ov.win.field]);
if (0 != (ret = saa7146_enable_overlay(fh))) {
- DEB_D(("enabling overlay failed: %d\n",ret));
+ DEB_D("enabling overlay failed: %d\n", ret);
saa7146_res_free(vv->video_fh, RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP);
return ret;
}
@@ -168,22 +171,22 @@ int saa7146_stop_preview(struct saa7146_fh *fh)
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
- DEB_EE(("dev:%p, fh:%p\n",dev,fh));
+ DEB_EE("dev:%p, fh:%p\n", dev, fh);
/* check if streaming capture is running */
if (IS_CAPTURE_ACTIVE(fh) != 0) {
- DEB_D(("streaming capture is active.\n"));
+ DEB_D("streaming capture is active\n");
return -EBUSY;
}
/* check if overlay is running at all */
if ((vv->video_status & STATUS_OVERLAY) == 0) {
- DEB_D(("no active overlay.\n"));
+ DEB_D("no active overlay\n");
return 0;
}
if (vv->video_fh != fh) {
- DEB_D(("overlay is active, but in another open.\n"));
+ DEB_D("overlay is active, but in another open\n");
return -EBUSY;
}
@@ -268,7 +271,7 @@ static int saa7146_pgtable_build(struct saa7146_dev *dev, struct saa7146_buf *bu
int length = dma->sglen;
struct saa7146_format *sfmt = saa7146_format_by_fourcc(dev,buf->fmt->pixelformat);
- DEB_EE(("dev:%p, buf:%p, sg_len:%d\n",dev,buf,length));
+ DEB_EE("dev:%p, buf:%p, sg_len:%d\n", dev, buf, length);
if( 0 != IS_PLANAR(sfmt->trans)) {
struct saa7146_pgtable *pt1 = &buf->pt[0];
@@ -288,7 +291,8 @@ static int saa7146_pgtable_build(struct saa7146_dev *dev, struct saa7146_buf *bu
m3 = ((size+(size/2)+PAGE_SIZE)/PAGE_SIZE)-1;
o1 = size%PAGE_SIZE;
o2 = (size+(size/4))%PAGE_SIZE;
- DEB_CAP(("size:%d, m1:%d, m2:%d, m3:%d, o1:%d, o2:%d\n",size,m1,m2,m3,o1,o2));
+ DEB_CAP("size:%d, m1:%d, m2:%d, m3:%d, o1:%d, o2:%d\n",
+ size, m1, m2, m3, o1, o2);
break;
}
case 16: {
@@ -298,7 +302,8 @@ static int saa7146_pgtable_build(struct saa7146_dev *dev, struct saa7146_buf *bu
m3 = ((2*size+PAGE_SIZE)/PAGE_SIZE)-1;
o1 = size%PAGE_SIZE;
o2 = (size+(size/2))%PAGE_SIZE;
- DEB_CAP(("size:%d, m1:%d, m2:%d, m3:%d, o1:%d, o2:%d\n",size,m1,m2,m3,o1,o2));
+ DEB_CAP("size:%d, m1:%d, m2:%d, m3:%d, o1:%d, o2:%d\n",
+ size, m1, m2, m3, o1, o2);
break;
}
default: {
@@ -387,23 +392,23 @@ static int video_begin(struct saa7146_fh *fh)
unsigned int resource;
int ret = 0, err = 0;
- DEB_EE(("dev:%p, fh:%p\n",dev,fh));
+ DEB_EE("dev:%p, fh:%p\n", dev, fh);
if ((vv->video_status & STATUS_CAPTURE) != 0) {
if (vv->video_fh == fh) {
- DEB_S(("already capturing.\n"));
+ DEB_S("already capturing\n");
return 0;
}
- DEB_S(("already capturing in another open.\n"));
+ DEB_S("already capturing in another open\n");
return -EBUSY;
}
if ((vv->video_status & STATUS_OVERLAY) != 0) {
- DEB_S(("warning: suspending overlay video for streaming capture.\n"));
+ DEB_S("warning: suspending overlay video for streaming capture\n");
vv->ov_suspend = vv->video_fh;
err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL */
if (0 != err) {
- DEB_D(("suspending video failed. aborting\n"));
+ DEB_D("suspending video failed. aborting\n");
return err;
}
}
@@ -420,7 +425,7 @@ static int video_begin(struct saa7146_fh *fh)
ret = saa7146_res_get(fh, resource);
if (0 == ret) {
- DEB_S(("cannot get capture resource %d\n",resource));
+ DEB_S("cannot get capture resource %d\n", resource);
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
vv->ov_suspend = NULL;
@@ -448,15 +453,15 @@ static int video_end(struct saa7146_fh *fh, struct file *file)
unsigned long flags;
unsigned int resource;
u32 dmas = 0;
- DEB_EE(("dev:%p, fh:%p\n",dev,fh));
+ DEB_EE("dev:%p, fh:%p\n", dev, fh);
if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {
- DEB_S(("not capturing.\n"));
+ DEB_S("not capturing\n");
return 0;
}
if (vv->video_fh != fh) {
- DEB_S(("capturing, but in another open.\n"));
+ DEB_S("capturing, but in another open\n");
return -EBUSY;
}
@@ -530,7 +535,7 @@ static int vidioc_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *f
struct saa7146_vv *vv = dev->vv_data;
struct saa7146_format *fmt;
- DEB_EE(("VIDIOC_S_FBUF\n"));
+ DEB_EE("VIDIOC_S_FBUF\n");
if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
return -EPERM;
@@ -542,13 +547,13 @@ static int vidioc_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *f
/* planar formats are not allowed for overlay video, clipping and video dma would clash */
if (fmt->flags & FORMAT_IS_PLANAR)
- DEB_S(("planar pixelformat '%4.4s' not allowed for overlay\n",
- (char *)&fmt->pixelformat));
+ DEB_S("planar pixelformat '%4.4s' not allowed for overlay\n",
+ (char *)&fmt->pixelformat);
/* check if overlay is running */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
if (vv->video_fh != fh) {
- DEB_D(("refusing to change framebuffer informations while overlay is active in another open.\n"));
+ DEB_D("refusing to change framebuffer informations while overlay is active in another open\n");
return -EBUSY;
}
}
@@ -559,7 +564,7 @@ static int vidioc_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *f
if (vv->ov_fb.fmt.bytesperline < vv->ov_fb.fmt.width) {
vv->ov_fb.fmt.bytesperline = vv->ov_fb.fmt.width * fmt->depth / 8;
- DEB_D(("setting bytesperline to %d\n", vv->ov_fb.fmt.bytesperline));
+ DEB_D("setting bytesperline to %d\n", vv->ov_fb.fmt.bytesperline);
}
return 0;
}
@@ -588,7 +593,7 @@ static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *
if (ctrl == NULL)
return -EINVAL;
- DEB_EE(("VIDIOC_QUERYCTRL: id:%d\n", c->id));
+ DEB_EE("VIDIOC_QUERYCTRL: id:%d\n", c->id);
*c = *ctrl;
return 0;
}
@@ -607,25 +612,25 @@ static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c)
case V4L2_CID_BRIGHTNESS:
value = saa7146_read(dev, BCS_CTRL);
c->value = 0xff & (value >> 24);
- DEB_D(("V4L2_CID_BRIGHTNESS: %d\n", c->value));
+ DEB_D("V4L2_CID_BRIGHTNESS: %d\n", c->value);
break;
case V4L2_CID_CONTRAST:
value = saa7146_read(dev, BCS_CTRL);
c->value = 0x7f & (value >> 16);
- DEB_D(("V4L2_CID_CONTRAST: %d\n", c->value));
+ DEB_D("V4L2_CID_CONTRAST: %d\n", c->value);
break;
case V4L2_CID_SATURATION:
value = saa7146_read(dev, BCS_CTRL);
c->value = 0x7f & (value >> 0);
- DEB_D(("V4L2_CID_SATURATION: %d\n", c->value));
+ DEB_D("V4L2_CID_SATURATION: %d\n", c->value);
break;
case V4L2_CID_VFLIP:
c->value = vv->vflip;
- DEB_D(("V4L2_CID_VFLIP: %d\n", c->value));
+ DEB_D("V4L2_CID_VFLIP: %d\n", c->value);
break;
case V4L2_CID_HFLIP:
c->value = vv->hflip;
- DEB_D(("V4L2_CID_HFLIP: %d\n", c->value));
+ DEB_D("V4L2_CID_HFLIP: %d\n", c->value);
break;
default:
return -EINVAL;
@@ -641,7 +646,7 @@ static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c)
ctrl = ctrl_by_id(c->id);
if (NULL == ctrl) {
- DEB_D(("unknown control %d\n", c->id));
+ DEB_D("unknown control %d\n", c->id);
return -EINVAL;
}
@@ -686,14 +691,14 @@ static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c)
case V4L2_CID_HFLIP:
/* fixme: we can support changing VFLIP and HFLIP here... */
if (IS_CAPTURE_ACTIVE(fh) != 0) {
- DEB_D(("V4L2_CID_HFLIP while active capture.\n"));
+ DEB_D("V4L2_CID_HFLIP while active capture\n");
return -EBUSY;
}
vv->hflip = c->value;
break;
case V4L2_CID_VFLIP:
if (IS_CAPTURE_ACTIVE(fh) != 0) {
- DEB_D(("V4L2_CID_VFLIP while active capture.\n"));
+ DEB_D("V4L2_CID_VFLIP while active capture\n");
return -EBUSY;
}
vv->vflip = c->value;
@@ -748,7 +753,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_forma
int maxw, maxh;
int calc_bpl;
- DEB_EE(("V4L2_BUF_TYPE_VIDEO_CAPTURE: dev:%p, fh:%p\n", dev, fh));
+ DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: dev:%p, fh:%p\n", dev, fh);
fmt = saa7146_format_by_fourcc(dev, f->fmt.pix.pixelformat);
if (NULL == fmt)
@@ -777,7 +782,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_forma
vv->last_field = V4L2_FIELD_INTERLACED;
break;
default:
- DEB_D(("no known field mode '%d'.\n", field));
+ DEB_D("no known field mode '%d'\n", field);
return -EINVAL;
}
@@ -796,8 +801,9 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_forma
f->fmt.pix.bytesperline = calc_bpl;
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * f->fmt.pix.height;
- DEB_D(("w:%d, h:%d, bytesperline:%d, sizeimage:%d\n", f->fmt.pix.width,
- f->fmt.pix.height, f->fmt.pix.bytesperline, f->fmt.pix.sizeimage));
+ DEB_D("w:%d, h:%d, bytesperline:%d, sizeimage:%d\n",
+ f->fmt.pix.width, f->fmt.pix.height,
+ f->fmt.pix.bytesperline, f->fmt.pix.sizeimage);
return 0;
}
@@ -811,22 +817,23 @@ static int vidioc_try_fmt_vid_overlay(struct file *file, void *fh, struct v4l2_f
enum v4l2_field field;
int maxw, maxh;
- DEB_EE(("dev:%p\n", dev));
+ DEB_EE("dev:%p\n", dev);
if (NULL == vv->ov_fb.base) {
- DEB_D(("no fb base set.\n"));
+ DEB_D("no fb base set\n");
return -EINVAL;
}
if (NULL == vv->ov_fmt) {
- DEB_D(("no fb fmt set.\n"));
+ DEB_D("no fb fmt set\n");
return -EINVAL;
}
if (win->w.width < 48 || win->w.height < 32) {
- DEB_D(("min width/height. (%d,%d)\n", win->w.width, win->w.height));
+ DEB_D("min width/height. (%d,%d)\n",
+ win->w.width, win->w.height);
return -EINVAL;
}
if (win->clipcount > 16) {
- DEB_D(("clipcount too big.\n"));
+ DEB_D("clipcount too big\n");
return -EINVAL;
}
@@ -848,7 +855,7 @@ static int vidioc_try_fmt_vid_overlay(struct file *file, void *fh, struct v4l2_f
case V4L2_FIELD_INTERLACED:
break;
default:
- DEB_D(("no known field mode '%d'.\n", field));
+ DEB_D("no known field mode '%d'\n", field);
return -EINVAL;
}
@@ -868,16 +875,17 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *__fh, struct v4l2_forma
struct saa7146_vv *vv = dev->vv_data;
int err;
- DEB_EE(("V4L2_BUF_TYPE_VIDEO_CAPTURE: dev:%p, fh:%p\n", dev, fh));
+ DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: dev:%p, fh:%p\n", dev, fh);
if (IS_CAPTURE_ACTIVE(fh) != 0) {
- DEB_EE(("streaming capture is active\n"));
+ DEB_EE("streaming capture is active\n");
return -EBUSY;
}
err = vidioc_try_fmt_vid_cap(file, fh, f);
if (0 != err)
return err;
fh->video_fmt = f->fmt.pix;
- DEB_EE(("set to pixelformat '%4.4s'\n", (char *)&fh->video_fmt.pixelformat));
+ DEB_EE("set to pixelformat '%4.4s'\n",
+ (char *)&fh->video_fmt.pixelformat);
return 0;
}
@@ -888,7 +896,7 @@ static int vidioc_s_fmt_vid_overlay(struct file *file, void *__fh, struct v4l2_f
struct saa7146_vv *vv = dev->vv_data;
int err;
- DEB_EE(("V4L2_BUF_TYPE_VIDEO_OVERLAY: dev:%p, fh:%p\n", dev, fh));
+ DEB_EE("V4L2_BUF_TYPE_VIDEO_OVERLAY: dev:%p, fh:%p\n", dev, fh);
err = vidioc_try_fmt_vid_overlay(file, fh, f);
if (0 != err)
return err;
@@ -931,7 +939,7 @@ static int vidioc_g_std(struct file *file, void *fh, v4l2_std_id *norm)
if (e->index < 0 )
return -EINVAL;
if( e->index < dev->ext_vv_data->num_stds ) {
- DEB_EE(("VIDIOC_ENUMSTD: index:%d\n",e->index));
+ DEB_EE("VIDIOC_ENUMSTD: index:%d\n", e->index);
v4l2_video_std_construct(e, dev->ext_vv_data->stds[e->index].id, dev->ext_vv_data->stds[e->index].name);
return 0;
}
@@ -946,10 +954,10 @@ static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id *id)
int found = 0;
int err, i;
- DEB_EE(("VIDIOC_S_STD\n"));
+ DEB_EE("VIDIOC_S_STD\n");
if ((vv->video_status & STATUS_CAPTURE) == STATUS_CAPTURE) {
- DEB_D(("cannot change video standard while streaming capture is active\n"));
+ DEB_D("cannot change video standard while streaming capture is active\n");
return -EBUSY;
}
@@ -957,7 +965,7 @@ static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id *id)
vv->ov_suspend = vv->video_fh;
err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL */
if (0 != err) {
- DEB_D(("suspending video failed. aborting\n"));
+ DEB_D("suspending video failed. aborting\n");
return err;
}
}
@@ -978,11 +986,11 @@ static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id *id)
}
if (!found) {
- DEB_EE(("VIDIOC_S_STD: standard not found.\n"));
+ DEB_EE("VIDIOC_S_STD: standard not found\n");
return -EINVAL;
}
- DEB_EE(("VIDIOC_S_STD: set to standard to '%s'\n", vv->standard->name));
+ DEB_EE("VIDIOC_S_STD: set to standard to '%s'\n", vv->standard->name);
return 0;
}
@@ -990,7 +998,7 @@ static int vidioc_overlay(struct file *file, void *fh, unsigned int on)
{
int err;
- DEB_D(("VIDIOC_OVERLAY on:%d\n", on));
+ DEB_D("VIDIOC_OVERLAY on:%d\n", on);
if (on)
err = saa7146_start_preview(fh);
else
@@ -1047,7 +1055,7 @@ static int vidioc_streamon(struct file *file, void *__fh, enum v4l2_buf_type typ
struct saa7146_fh *fh = __fh;
int err;
- DEB_D(("VIDIOC_STREAMON, type:%d\n", type));
+ DEB_D("VIDIOC_STREAMON, type:%d\n", type);
err = video_begin(fh);
if (err)
@@ -1066,18 +1074,18 @@ static int vidioc_streamoff(struct file *file, void *__fh, enum v4l2_buf_type ty
struct saa7146_vv *vv = dev->vv_data;
int err;
- DEB_D(("VIDIOC_STREAMOFF, type:%d\n", type));
+ DEB_D("VIDIOC_STREAMOFF, type:%d\n", type);
/* ugly: we need to copy some checks from video_end(),
because videobuf_streamoff() relies on the capture running.
check and fix this */
if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {
- DEB_S(("not capturing.\n"));
+ DEB_S("not capturing\n");
return 0;
}
if (vv->video_fh != fh) {
- DEB_S(("capturing, but in another open.\n"));
+ DEB_S("capturing, but in another open\n");
return -EBUSY;
}
@@ -1087,7 +1095,7 @@ static int vidioc_streamoff(struct file *file, void *__fh, enum v4l2_buf_type ty
else if (type == V4L2_BUF_TYPE_VBI_CAPTURE)
err = videobuf_streamoff(&fh->vbi_q);
if (0 != err) {
- DEB_D(("warning: videobuf_streamoff() failed.\n"));
+ DEB_D("warning: videobuf_streamoff() failed\n");
video_end(fh, file);
} else {
err = video_end(fh, file);
@@ -1174,25 +1182,27 @@ static int buffer_prepare(struct videobuf_queue *q,
struct saa7146_buf *buf = (struct saa7146_buf *)vb;
int size,err = 0;
- DEB_CAP(("vbuf:%p\n",vb));
+ DEB_CAP("vbuf:%p\n", vb);
/* sanity checks */
if (fh->video_fmt.width < 48 ||
fh->video_fmt.height < 32 ||
fh->video_fmt.width > vv->standard->h_max_out ||
fh->video_fmt.height > vv->standard->v_max_out) {
- DEB_D(("w (%d) / h (%d) out of bounds.\n",fh->video_fmt.width,fh->video_fmt.height));
+ DEB_D("w (%d) / h (%d) out of bounds\n",
+ fh->video_fmt.width, fh->video_fmt.height);
return -EINVAL;
}
size = fh->video_fmt.sizeimage;
if (0 != buf->vb.baddr && buf->vb.bsize < size) {
- DEB_D(("size mismatch.\n"));
+ DEB_D("size mismatch\n");
return -EINVAL;
}
- DEB_CAP(("buffer_prepare [size=%dx%d,bytes=%d,fields=%s]\n",
- fh->video_fmt.width,fh->video_fmt.height,size,v4l2_field_names[fh->video_fmt.field]));
+ DEB_CAP("buffer_prepare [size=%dx%d,bytes=%d,fields=%s]\n",
+ fh->video_fmt.width, fh->video_fmt.height,
+ size, v4l2_field_names[fh->video_fmt.field]);
if (buf->vb.width != fh->video_fmt.width ||
buf->vb.bytesperline != fh->video_fmt.bytesperline ||
buf->vb.height != fh->video_fmt.height ||
@@ -1238,7 +1248,7 @@ static int buffer_prepare(struct videobuf_queue *q,
return 0;
oops:
- DEB_D(("error out.\n"));
+ DEB_D("error out\n");
saa7146_dma_free(dev,q,buf);
return err;
@@ -1259,7 +1269,7 @@ static int buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned
*count = (max_memory*1048576) / *size;
}
- DEB_CAP(("%d buffers, %d bytes each.\n",*count,*size));
+ DEB_CAP("%d buffers, %d bytes each\n", *count, *size);
return 0;
}
@@ -1272,7 +1282,7 @@ static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
struct saa7146_vv *vv = dev->vv_data;
struct saa7146_buf *buf = (struct saa7146_buf *)vb;
- DEB_CAP(("vbuf:%p\n",vb));
+ DEB_CAP("vbuf:%p\n", vb);
saa7146_buffer_queue(fh->dev,&vv->video_q,buf);
}
@@ -1283,7 +1293,7 @@ static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
struct saa7146_dev *dev = fh->dev;
struct saa7146_buf *buf = (struct saa7146_buf *)vb;
- DEB_CAP(("vbuf:%p\n",vb));
+ DEB_CAP("vbuf:%p\n", vb);
saa7146_dma_free(dev,q,buf);
@@ -1347,18 +1357,14 @@ static void video_close(struct saa7146_dev *dev, struct file *file)
struct saa7146_fh *fh = file->private_data;
struct saa7146_vv *vv = dev->vv_data;
struct videobuf_queue *q = &fh->video_q;
- int err;
- if (IS_CAPTURE_ACTIVE(fh) != 0) {
- err = video_end(fh, file);
- } else if (IS_OVERLAY_ACTIVE(fh) != 0) {
- err = saa7146_stop_preview(fh);
- }
+ if (IS_CAPTURE_ACTIVE(fh) != 0)
+ video_end(fh, file);
+ else if (IS_OVERLAY_ACTIVE(fh) != 0)
+ saa7146_stop_preview(fh);
videobuf_stop(q);
-
/* hmm, why is this function declared void? */
- /* return err */
}
@@ -1368,7 +1374,7 @@ static void video_irq_done(struct saa7146_dev *dev, unsigned long st)
struct saa7146_dmaqueue *q = &vv->video_q;
spin_lock(&dev->slock);
- DEB_CAP(("called.\n"));
+ DEB_CAP("called\n");
/* only finish the buffer if we have one... */
if( NULL != q->curr ) {
@@ -1386,15 +1392,15 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
struct saa7146_vv *vv = dev->vv_data;
ssize_t ret = 0;
- DEB_EE(("called.\n"));
+ DEB_EE("called\n");
if ((vv->video_status & STATUS_CAPTURE) != 0) {
/* fixme: should we allow read() captures while streaming capture? */
if (vv->video_fh == fh) {
- DEB_S(("already capturing.\n"));
+ DEB_S("already capturing\n");
return -EBUSY;
}
- DEB_S(("already capturing in another open.\n"));
+ DEB_S("already capturing in another open\n");
return -EBUSY;
}
generated by cgit v1.1 at 2024-04-25 09:30:40 +0000