diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 5e6437dd91df..48859370c57b 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -499,31 +499,35 @@ static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top) return 0; } -static int ctrl_cropw_max_get(struct pvr2_ctrl *cptr, int *val) +static int ctrl_cropw_max_get(struct pvr2_ctrl *cptr, int *width) { struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; - int stat = pvr2_hdw_check_cropcap(cptr->hdw); + int stat, bleftend, cleft; + + stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { return stat; } - *val = 0; - if (cap->bounds.width > cptr->hdw->cropl_val) { - *val = cap->bounds.width - cptr->hdw->cropl_val; - } + bleftend = cap->bounds.left+cap->bounds.width; + cleft = cptr->hdw->cropl_val; + + *width = cleft < bleftend ? bleftend-cleft : 0; return 0; } -static int ctrl_croph_max_get(struct pvr2_ctrl *cptr, int *val) +static int ctrl_croph_max_get(struct pvr2_ctrl *cptr, int *height) { struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; - int stat = pvr2_hdw_check_cropcap(cptr->hdw); + int stat, btopend, ctop; + + stat = pvr2_hdw_check_cropcap(cptr->hdw); if (stat != 0) { return stat; } - *val = 0; - if (cap->bounds.height > cptr->hdw->cropt_val) { - *val = cap->bounds.height - cptr->hdw->cropt_val; - } + btopend = cap->bounds.top+cap->bounds.height; + ctop = cptr->hdw->cropt_val; + + *height = ctop < btopend ? btopend-ctop : 0; return 0; } |