[media] bttv: make remote controls of devices with i2c ir decoder working

Request module ir-kbd-i2c if an i2c ir decoder is detected.
Tested with device "Hauppauge WinTV Theatre" (model 37284 rev B421).

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 13 insertions, 9 deletions

diff --git a/drivers/media/pci/bt8xx/bttv-input.c b/drivers/media/pci/bt8xx/bttv-input.c
index 04207a799055..01c71214f9ec 100644
--- a/drivers/media/pci/bt8xx/bttv-input.c
+++ b/drivers/media/pci/bt8xx/bttv-input.c
@@ -375,6 +375,7 @@ void init_bttv_i2c_ir(struct bttv *btv)
                 I2C_CLIENT_END
         };
         struct i2c_board_info info;
+        struct i2c_client *i2c_dev;
 
         if (0 != btv->i2c_rc)
                 return;
@@ -390,7 +391,12 @@ void init_bttv_i2c_ir(struct bttv *btv)
                 btv->init_data.ir_codes = RC_MAP_PV951;
                 info.addr = 0x4b;
                 break;
-        default:
+        }
+
+        if (btv->init_data.name) {
+                info.platform_data = &btv->init_data;
+                i2c_dev = i2c_new_device(&btv->c.i2c_adap, &info);
+        } else {
                 /*
                  * The external IR receiver is at i2c address 0x34 (0x35 for
                  * reads).  Future Hauppauge cards will have an internal
@@ -399,16 +405,14 @@ void init_bttv_i2c_ir(struct bttv *btv)
                  * internal.
                  * That's why we probe 0x1a (~0x34) first. CB
                  */
-
-                i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list, NULL);
-                return;
+                i2c_dev = i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list, NULL);
         }
+        if (NULL == i2c_dev)
+                return;
 
-        if (btv->init_data.name)
-                info.platform_data = &btv->init_data;
-        i2c_new_device(&btv->c.i2c_adap, &info);
-
-        return;
+#if defined(CONFIG_MODULES) && defined(MODULE)
+        request_module("ir-kbd-i2c");
+#endif
 }
 
 int fini_bttv_i2c(struct bttv *btv)