V4L/DVB (9006): S2API: Allow reliable use of old and new api on the same frontend, regardless.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 161ebcf9258..6b914f9a03c 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1299,8 +1299,10 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file,
 
         if ((cmd == FE_SET_PROPERTY) || (cmd == FE_GET_PROPERTY))
                 err = dvb_frontend_ioctl_properties(inode, file, cmd, parg);
-        else
+        else {
+                fe->dtv_property_cache.state = DTV_UNDEFINED;
                 err = dvb_frontend_ioctl_legacy(inode, file, cmd, parg);
+        }
 
         up(&fepriv->sem);
         return err;
@@ -1567,8 +1569,6 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
         case FE_SET_FRONTEND: {
                 struct dvb_frontend_tune_settings fetunesettings;
 
-                dtv_property_cache_sync(fe, &fepriv->parameters);
-
                 if(fe->dtv_property_cache.state == DTV_TUNE) {
                         if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) {
                                 err = -EINVAL;
@@ -1580,6 +1580,7 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file,
                                 break;
                         }
 
+                        dtv_property_cache_sync(fe, &fepriv->parameters);
                         memcpy (&fepriv->parameters, parg,
                                 sizeof (struct dvb_frontend_parameters));
                 }