diff options
Diffstat (limited to 'drivers/media/video/v4l2-ioctl.c')
-rw-r--r-- | drivers/media/video/v4l2-ioctl.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index f2afc4e0837..30cc3347ae5 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c @@ -42,6 +42,12 @@ printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\ } while (0) +#define dbgarg3(fmt, arg...) \ + do { \ + if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ + printk(KERN_CONT "%s: " fmt, vfd->name, ## arg);\ + } while (0) + /* Zero out the end of the struct pointed to by p. Everthing after, but * not including, the specified field is cleared. */ #define CLEAR_AFTER_FIELD(p, field) \ @@ -507,11 +513,12 @@ static inline void v4l_print_ext_ctrls(unsigned int cmd, dbgarg(cmd, ""); printk(KERN_CONT "class=0x%x", c->ctrl_class); for (i = 0; i < c->count; i++) { - if (show_vals) + if (show_vals && !c->controls[i].size) printk(KERN_CONT " id/val=0x%x/0x%x", c->controls[i].id, c->controls[i].value); else - printk(KERN_CONT " id=0x%x", c->controls[i].id); + printk(KERN_CONT " id=0x%x,size=%u", + c->controls[i].id, c->controls[i].size); } printk(KERN_CONT "\n"); }; @@ -522,10 +529,9 @@ static inline int check_ext_ctrls(struct v4l2_ext_controls *c, int allow_priv) /* zero the reserved fields */ c->reserved[0] = c->reserved[1] = 0; - for (i = 0; i < c->count; i++) { + for (i = 0; i < c->count; i++) c->controls[i].reserved2[0] = 0; - c->controls[i].reserved2[1] = 0; - } + /* V4L2_CID_PRIVATE_BASE cannot be used as control class when using extended controls. Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL @@ -1726,24 +1732,29 @@ static long __video_do_ioctl(struct file *file, ret = ops->vidioc_enum_framesizes(file, fh, p); dbgarg(cmd, - "index=%d, pixelformat=%d, type=%d ", - p->index, p->pixel_format, p->type); + "index=%d, pixelformat=%c%c%c%c, type=%d ", + p->index, + (p->pixel_format & 0xff), + (p->pixel_format >> 8) & 0xff, + (p->pixel_format >> 16) & 0xff, + (p->pixel_format >> 24) & 0xff, + p->type); switch (p->type) { case V4L2_FRMSIZE_TYPE_DISCRETE: - dbgarg2("width = %d, height=%d\n", + dbgarg3("width = %d, height=%d\n", p->discrete.width, p->discrete.height); break; case V4L2_FRMSIZE_TYPE_STEPWISE: - dbgarg2("min %dx%d, max %dx%d, step %dx%d\n", + dbgarg3("min %dx%d, max %dx%d, step %dx%d\n", p->stepwise.min_width, p->stepwise.min_height, p->stepwise.step_width, p->stepwise.step_height, p->stepwise.max_width, p->stepwise.max_height); break; case V4L2_FRMSIZE_TYPE_CONTINUOUS: - dbgarg2("continuous\n"); + dbgarg3("continuous\n"); break; default: - dbgarg2("- Unknown type!\n"); + dbgarg3("- Unknown type!\n"); } break; |