1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
index 62a7cfca837d..35a06652a60c 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
@@ -590,6 +590,27 @@ static int handler_check(struct pvr2_i2c_client *cp)
 
 #define BUFSIZE 500
 
+
+void pvr2_i2c_core_status_poll(struct pvr2_hdw *hdw)
+{
+        struct list_head *item;
+        struct pvr2_i2c_client *cp;
+        mutex_lock(&hdw->i2c_list_lock); do {
+                struct v4l2_tuner *vtp = &hdw->tuner_signal_info;
+                memset(vtp,0,sizeof(vtp));
+                list_for_each(item,&hdw->i2c_clients) {
+                        cp = list_entry(item,struct pvr2_i2c_client,list);
+                        if (!cp->detected_flag) continue;
+                        if (!cp->status_poll) continue;
+                        cp->status_poll(cp);
+                }
+                hdw->tuner_signal_stale = 0;
+        } while (0); mutex_unlock(&hdw->i2c_list_lock);
+}
+
+
+/* Issue various I2C operations to bring chip-level drivers into sync with
+   state stored in this driver. */
 void pvr2_i2c_core_sync(struct pvr2_hdw *hdw)
 {
         unsigned long msk;
@@ -876,6 +897,7 @@ static int pvr2_i2c_attach_inform(struct i2c_client *client)
                   client->addr,cp);
         if (!cp) return -ENOMEM;
         memset(cp,0,sizeof(*cp));
+        cp->hdw = hdw;
         INIT_LIST_HEAD(&cp->list);
         cp->client = client;
         mutex_lock(&hdw->i2c_list_lock); do {