V4L/DVB (12543): v4l: introduce string control support.
The upcoming RDS encoder needs support for string controls. This patch
implements the core implementation.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index c32e676..30cc334 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -513,11 +513,12 @@
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");
};
@@ -528,10 +529,9 @@
/* 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