This driver does not use the control infrastructure.
Add support for the new field which on structure
v4l2_ext_controls
Signed-off-by: Ricardo Ribalda Delgado <ricardo.riba...@gmail.com>
---
drivers/media/usb/pvrusb2/pvrusb2-v4l2.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index 1c5f85bf7ed4..43b2f2214798 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -628,6 +628,7 @@ static int pvr2_g_ext_ctrls(struct file *file, void *priv,
struct pvr2_v4l2_fh *fh = file->private_data;
struct pvr2_hdw *hdw = fh->channel.mc_head->hdw;
struct v4l2_ext_control *ctrl;
+ struct pvr2_ctrl *cptr;
unsigned int idx;
int val;
int ret;
@@ -635,8 +636,18 @@ static int pvr2_g_ext_ctrls(struct file *file, void *priv,
ret = 0;
for (idx = 0; idx < ctls->count; idx++) {
ctrl = ctls->controls + idx;
- ret = pvr2_ctrl_get_value(
+ if (ctls->which == V4L2_CTRL_WHICH_DEF_VAL) {
+ cptr = pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id);
+ if (cptr)
+ pvr2_ctrl_get_def(cptr, &val);
+ else
+ ret = -EINVAL;
+
+
+ } else
+ ret = pvr2_ctrl_get_value(
pvr2_hdw_get_ctrl_v4l(hdw, ctrl->id), &val);
+
if (ret) {
ctls->error_idx = idx;
return ret;
@@ -658,6 +669,10 @@ static int pvr2_s_ext_ctrls(struct file *file, void *priv,
unsigned int idx;
int ret;
+ /* Default value cannot be changed */
+ if (ctls->which == V4L2_CTRL_WHICH_DEF_VAL)
+ return -EINVAL;
+
ret = 0;
for (idx = 0; idx < ctls->count; idx++) {
ctrl = ctls->controls + idx;
--
2.5.0
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