diff options
Diffstat (limited to 'drivers/media/video/videodev.c')
-rw-r--r-- | drivers/media/video/videodev.c | 74 |
1 files changed, 45 insertions, 29 deletions
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index 0d9b63762a48..31e8af0ba278 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -18,14 +18,14 @@ #define dbgarg(cmd, fmt, arg...) \ if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { \ - printk (KERN_DEBUG "%s: ", vfd->name); \ + printk(KERN_DEBUG "%s: ", vfd->name); \ v4l_printk_ioctl(cmd); \ - printk (KERN_DEBUG "%s: " fmt, vfd->name, ## arg); \ + printk(" " fmt, ## arg); \ } #define dbgarg2(fmt, arg...) \ if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \ - printk (KERN_DEBUG "%s: " fmt, vfd->name, ## arg); + printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg); #include <linux/module.h> #include <linux/types.h> @@ -378,38 +378,45 @@ static const char *v4l2_int_ioctls[] = { external ioctl messages as well as internal V4L ioctl */ void v4l_printk_ioctl(unsigned int cmd) { - char *dir; + char *dir, *type; - switch (_IOC_DIR(cmd)) { - case _IOC_NONE: dir = "--"; break; - case _IOC_READ: dir = "r-"; break; - case _IOC_WRITE: dir = "-w"; break; - case _IOC_READ | _IOC_WRITE: dir = "rw"; break; - default: dir = "*ERR*"; break; - } switch (_IOC_TYPE(cmd)) { case 'd': - printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n", - (_IOC_NR(cmd) < V4L2_INT_IOCTLS) ? - v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); - break; + if (_IOC_NR(cmd) >= V4L2_INT_IOCTLS) { + type = "v4l2_int"; + break; + } + printk("%s", v4l2_int_ioctls[_IOC_NR(cmd)]); + return; #ifdef CONFIG_VIDEO_V4L1_COMPAT case 'v': - printk("v4l1 ioctl %s, dir=%s (0x%08x)\n", - (_IOC_NR(cmd) < V4L1_IOCTLS) ? - v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); - break; + if (_IOC_NR(cmd) >= V4L1_IOCTLS) { + type = "v4l1"; + break; + } + printk("%s", v4l1_ioctls[_IOC_NR(cmd)]); + return; #endif case 'V': - printk("v4l2 ioctl %s, dir=%s (0x%08x)\n", - (_IOC_NR(cmd) < V4L2_IOCTLS) ? - v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd); - break; - + if (_IOC_NR(cmd) >= V4L2_IOCTLS) { + type = "v4l2"; + break; + } + printk("%s", v4l2_ioctls[_IOC_NR(cmd)]); + return; default: - printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n", - _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); + type = "unknown"; + } + + switch (_IOC_DIR(cmd)) { + case _IOC_NONE: dir = "--"; break; + case _IOC_READ: dir = "r-"; break; + case _IOC_WRITE: dir = "-w"; break; + case _IOC_READ | _IOC_WRITE: dir = "rw"; break; + default: dir = "*ERR*"; break; } + printk("%s ioctl '%c', dir=%s, #%d (0x%08x)", + type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd); } EXPORT_SYMBOL(v4l_printk_ioctl); @@ -774,6 +781,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, if ( (vfd->debug & V4L2_DEBUG_IOCTL) && !(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) { v4l_print_ioctl(vfd->name, cmd); + printk("\n"); } #ifdef CONFIG_VIDEO_V4L1_COMPAT @@ -1853,12 +1861,20 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, dbgarg (cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision); break; } + default: + { + if (!vfd->vidioc_default) + break; + ret = vfd->vidioc_default(file, fh, cmd, arg); + break; + } } /* switch */ if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) { if (ret<0) { - printk ("%s: err:\n", vfd->name); + printk("%s: err: on ", vfd->name); v4l_print_ioctl(vfd->name, cmd); + printk("\n"); } } @@ -2019,7 +2035,7 @@ int video_register_device(struct video_device *vfd, int type, int nr) break; default: printk(KERN_ERR "%s called with unknown type: %d\n", - __FUNCTION__, type); + __func__, type); return -1; } @@ -2057,7 +2073,7 @@ int video_register_device(struct video_device *vfd, int type, int nr) ret = device_register(&vfd->class_dev); if (ret < 0) { printk(KERN_ERR "%s: device_register failed\n", - __FUNCTION__); + __func__); goto fail_minor; } |