3 files changed, 51 insertions, 8 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
index 9494c6a5b5d8..9df3623a3e4c 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -39,14 +39,6 @@
 #include <linux/errno.h>
 #include <linux/slab.h>
 
-struct pvr2_v4l_cx2584x {
-        struct pvr2_i2c_handler handler;
-        struct pvr2_decoder_ctrl ctrl;
-        struct pvr2_i2c_client *client;
-        struct pvr2_hdw *hdw;
-        unsigned long stale_mask;
-};
-
 
 struct routing_scheme_item {
         int vid;
@@ -110,6 +102,15 @@ static const struct routing_scheme routing_schemes[] = {
         },
 };
 
+struct pvr2_v4l_cx2584x {
+        struct pvr2_i2c_handler handler;
+        struct pvr2_decoder_ctrl ctrl;
+        struct pvr2_i2c_client *client;
+        struct pvr2_hdw *hdw;
+        unsigned long stale_mask;
+};
+
+
 static void set_input(struct pvr2_v4l_cx2584x *ctxt)
 {
         struct pvr2_hdw *hdw = ctxt->hdw;
@@ -321,6 +322,41 @@ int pvr2_i2c_cx2584x_v4l_setup(struct pvr2_hdw *hdw,
 }
 
 
+void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
+{
+        if (hdw->input_dirty) {
+                struct v4l2_routing route;
+                enum cx25840_video_input vid_input;
+                enum cx25840_audio_input aud_input;
+                const struct routing_scheme *sp;
+                unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
+
+                memset(&route, 0, sizeof(route));
+
+                if ((sid < ARRAY_SIZE(routing_schemes)) &&
+                    ((sp = routing_schemes + sid) != NULL) &&
+                    (hdw->input_val >= 0) &&
+                    (hdw->input_val < sp->cnt)) {
+                        vid_input = sp->def[hdw->input_val].vid;
+                        aud_input = sp->def[hdw->input_val].aud;
+                } else {
+                        pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                                   "*** WARNING *** subdev cx2584x set_input:"
+                                   " Invalid routing scheme (%u)"
+                                   " and/or input (%d)",
+                                   sid, hdw->input_val);
+                        return;
+                }
+
+                pvr2_trace(PVR2_TRACE_CHIPS,
+                           "i2c cx2584x set_input vid=0x%x aud=0x%x",
+                           vid_input, aud_input);
+                route.input = (u32)vid_input;
+                sd->ops->video->s_routing(sd, &route);
+                route.input = (u32)aud_input;
+                sd->ops->audio->s_routing(sd, &route);
+        }
+}
 
 
 
diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h
index f664f5942002..e48ce808bfe5 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h
@@ -39,6 +39,11 @@
 int pvr2_i2c_cx2584x_v4l_setup(struct pvr2_hdw *,struct pvr2_i2c_client *);
 
 
+#include "pvrusb2-hdw-internal.h"
+
+void pvr2_cx25840_subdev_update(struct pvr2_hdw *, struct v4l2_subdev *sd);
+
+
 #endif /* __PVRUSB2_CX2584X_V4L_H */
 
 /*
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index ff7af062002b..1158021b1e12 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -38,6 +38,7 @@
 #include "pvrusb2-fx2-cmd.h"
 #include "pvrusb2-wm8775.h"
 #include "pvrusb2-video-v4l.h"
+#include "pvrusb2-cx2584x-v4l.h"
 #include "pvrusb2-audio.h"
 
 #define TV_MIN_FREQ     55250000L
@@ -115,6 +116,7 @@ static const pvr2_subdev_update_func pvr2_module_update_functions[] = {
         [PVR2_CLIENT_ID_WM8775] = pvr2_wm8775_subdev_update,
         [PVR2_CLIENT_ID_SAA7115] = pvr2_saa7115_subdev_update,
         [PVR2_CLIENT_ID_MSP3400] = pvr2_msp3400_subdev_update,
+        [PVR2_CLIENT_ID_CX25840] = pvr2_cx25840_subdev_update,
 };
 
 static const char *module_names[] = {