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authorMike Isely <isely@pobox.com>2006-06-26 03:04:58 +0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-06-27 07:17:31 +0400
commit1d9f8461f1a870571f9403a312c26deec3305be5 (patch)
treec677a3577f88655f872ee0f96b741ebfd1807b49 /drivers/media
parentb46cfa805ed12c11fea0adc8e4058000c2e67314 (diff)
downloadlinux-1d9f8461f1a870571f9403a312c26deec3305be5.tar.xz
V4L/DVB (4243): Exploit new V4L control features in pvrusb2
Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-ctrl.c5
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-v4l2.c73
2 files changed, 76 insertions, 2 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
index e4484f95ea9e..d5df9fbeba2f 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
@@ -230,6 +230,11 @@ unsigned int pvr2_ctrl_get_v4lflags(struct pvr2_ctrl *cptr)
flags = cptr->info->get_v4lflags(cptr);
}
+ if (cptr->info->set_value) {
+ flags &= ~V4L2_CTRL_FLAG_READ_ONLY;
+ } else {
+ flags |= V4L2_CTRL_FLAG_READ_ONLY;
+ }
return flags;
}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index 9fefcdf8ffab..5e8fd8630110 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -518,7 +518,13 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
struct pvr2_ctrl *cptr;
struct v4l2_queryctrl *vc = (struct v4l2_queryctrl *)arg;
ret = 0;
- cptr = pvr2_hdw_get_ctrl_v4l(hdw,vc->id);
+ if (vc->id & V4L2_CTRL_FLAG_NEXT_CTRL) {
+ cptr = pvr2_hdw_get_ctrl_nextv4l(
+ hdw,(vc->id & ~V4L2_CTRL_FLAG_NEXT_CTRL));
+ if (cptr) vc->id = pvr2_ctrl_get_v4lid(cptr);
+ } else {
+ cptr = pvr2_hdw_get_ctrl_v4l(hdw,vc->id);
+ }
if (!cptr) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"QUERYCTRL id=0x%x not implemented here",
@@ -542,7 +548,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
vc->step = 1;
break;
case pvr2_ctl_bool:
- vc->type = V4L2_CTRL_TYPE_INTEGER;
+ vc->type = V4L2_CTRL_TYPE_BOOLEAN;
vc->minimum = 0;
vc->maximum = 1;
vc->step = 1;
@@ -593,6 +599,69 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
break;
}
+ case VIDIOC_G_EXT_CTRLS:
+ {
+ struct v4l2_ext_controls *ctls =
+ (struct v4l2_ext_controls *)arg;
+ struct v4l2_ext_control *ctrl;
+ unsigned int idx;
+ int val;
+ for (idx = 0; idx < ctls->count; idx++) {
+ ctrl = ctls->controls + idx;
+ ret = pvr2_ctrl_get_value(
+ pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id),&val);
+ if (ret) {
+ ctls->error_idx = idx;
+ break;
+ }
+ /* Ensure that if read as a 64 bit value, the user
+ will still get a hopefully sane value */
+ ctrl->value64 = 0;
+ ctrl->value = val;
+ }
+ break;
+ }
+
+ case VIDIOC_S_EXT_CTRLS:
+ {
+ struct v4l2_ext_controls *ctls =
+ (struct v4l2_ext_controls *)arg;
+ struct v4l2_ext_control *ctrl;
+ unsigned int idx;
+ for (idx = 0; idx < ctls->count; idx++) {
+ ctrl = ctls->controls + idx;
+ ret = pvr2_ctrl_set_value(
+ pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id),
+ ctrl->value);
+ if (ret) {
+ ctls->error_idx = idx;
+ break;
+ }
+ }
+ break;
+ }
+
+ case VIDIOC_TRY_EXT_CTRLS:
+ {
+ struct v4l2_ext_controls *ctls =
+ (struct v4l2_ext_controls *)arg;
+ struct v4l2_ext_control *ctrl;
+ struct pvr2_ctrl *pctl;
+ unsigned int idx;
+ /* For the moment just validate that the requested control
+ actually exists. */
+ for (idx = 0; idx < ctls->count; idx++) {
+ ctrl = ctls->controls + idx;
+ pctl = pvr2_hdw_get_ctrl_v4l(hdw,ctrl->id);
+ if (!pctl) {
+ ret = -EINVAL;
+ ctls->error_idx = idx;
+ break;
+ }
+ }
+ break;
+ }
+
case VIDIOC_LOG_STATUS:
{
pvr2_hdw_trigger_module_log(hdw);