提交 5e28e009 编写于 作者: M Mauro Carvalho Chehab

V4L/DVB (7558): videobuf: Improve command output for debug purposes

Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>
上级 e9e6040d
......@@ -1632,6 +1632,7 @@ static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
v4l_printk_ioctl(cmd);
printk("\n");
}
return ivtv_debug_ioctls(filp, cmd, arg);
......@@ -1675,6 +1676,7 @@ static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
v4l_printk_ioctl(cmd);
printk("\n");
}
return ivtv_v4l2_ioctls(itv, filp, cmd, arg);
......@@ -1688,6 +1690,7 @@ static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
v4l_printk_ioctl(cmd);
printk("\n");
}
return ivtv_control_ioctls(itv, cmd, arg);
......
......@@ -351,8 +351,10 @@ int pwc_video_do_ioctl(struct inode *inode, struct file *file,
return -EFAULT;
#ifdef CONFIG_USB_PWC_DEBUG
if (PWC_DEBUG_LEVEL_IOCTL & pwc_trace)
if (PWC_DEBUG_LEVEL_IOCTL & pwc_trace) {
v4l_printk_ioctl(cmd);
printk("\n");
}
#endif
......
......@@ -18,9 +18,9 @@
#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...) \
......@@ -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);
......
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