+int pvr2_hdw_register_access(struct pvr2_hdw *hdw,
+ u32 chip_id,unsigned long reg_id,
+ int setFl,u32 *val_ptr)
+{
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ struct list_head *item;
+ struct pvr2_i2c_client *cp;
+ struct v4l2_register req;
+ int stat = 0;
+ int okFl = 0;
+
+ req.i2c_id = chip_id;
+ req.reg = reg_id;
+ if (setFl) req.val = *val_ptr;
+ mutex_lock(&hdw->i2c_list_lock); do {
+ list_for_each(item,&hdw->i2c_clients) {
+ cp = list_entry(item,struct pvr2_i2c_client,list);
+ if (cp->client->driver->id != chip_id) continue;
+ stat = pvr2_i2c_client_cmd(
+ cp,(setFl ? VIDIOC_INT_S_REGISTER :
+ VIDIOC_INT_G_REGISTER),&req);
+ if (!setFl) *val_ptr = req.val;
+ okFl = !0;
+ break;
+ }
+ } while (0); mutex_unlock(&hdw->i2c_list_lock);
+ if (okFl) {
+ return stat;
+ }
+ return -EINVAL;
+#else
+ return -ENOSYS;
+#endif
+}
+
+