diff options
Diffstat (limited to 'drivers/media/common/saa7146_video.c')
-rw-r--r-- | drivers/media/common/saa7146_video.c | 184 |
1 files changed, 95 insertions, 89 deletions
diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index 9aafa4e969a..ce30533fd97 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; } |