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V4L/DVB (12168): v4l2-ioctl: avoid flooding log with unasked debug messages 

Thanks to Hans Verkuil <hverkuil@xs4all.nl> for pointing this issue on
my last patch.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2009-07-02 17:07:32 -03:00
parent d1afe4250a
commit d33fbcbb21
1 changed files with 10 additions and 4 deletions
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14
drivers/media/video/v4l2-ioctl.c
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@ -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) \
@ -1735,20 +1741,20 @@ static long __video_do_ioctl(struct file *file,
p->type);
switch (p->type) {
case V4L2_FRMSIZE_TYPE_DISCRETE:
printk("width = %d, height=%d\n",
dbgarg3("width = %d, height=%d\n",
p->discrete.width, p->discrete.height);
break;
case V4L2_FRMSIZE_TYPE_STEPWISE:
printk("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:
printk("continuous\n");
dbgarg3("continuous\n");
break;
default:
printk("- Unknown type!\n");
dbgarg3("- Unknown type!\n");
}
break;