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-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-hdw.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index bd4e374e37f..36285ca4880 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -105,6 +105,13 @@ MODULE_PARM_DESC(radio_freq, "specify initial radio frequency");
/* size of a firmware chunk */
#define FIRMWARE_CHUNK_SIZE 0x2000
+typedef void (*pvr2_subdev_update_func)(struct pvr2_hdw *,
+ struct v4l2_subdev *);
+
+static const pvr2_subdev_update_func pvr2_module_update_functions[] = {
+ /* ????? */
+};
+
static const char *module_names[] = {
[PVR2_CLIENT_ID_MSP3400] = "msp3400",
[PVR2_CLIENT_ID_CX25840] = "cx25840",
@@ -2900,6 +2907,10 @@ static void pvr2_subdev_set_control(struct pvr2_hdw *hdw, int id,
sub-devices so that they match our current control values. */
static void pvr2_subdev_update(struct pvr2_hdw *hdw)
{
+ struct v4l2_subdev *sd;
+ unsigned int id;
+ pvr2_subdev_update_func fp;
+
if (hdw->input_dirty || hdw->std_dirty) {
pvr2_trace(PVR2_TRACE_CHIPS,"subdev v4l2 set_standard");
if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
@@ -2971,7 +2982,13 @@ static void pvr2_subdev_update(struct pvr2_hdw *hdw)
/* Unable to set crop parameters; there is apparently no equivalent
for VIDIOC_S_CROP */
- /* ????? Cover special cases for specific sub-devices. */
+ v4l2_device_for_each_subdev(sd, &hdw->v4l2_dev) {
+ id = sd->grp_id;
+ if (id >= ARRAY_SIZE(pvr2_module_update_functions)) continue;
+ fp = pvr2_module_update_functions[id];
+ if (!fp) continue;
+ (*fp)(hdw, sd);
+ }
if (hdw->tuner_signal_stale && hdw->cropcap_stale) {
pvr2_hdw_status_poll(hdw);