[media] dvb_usb_v2: make remote controller optional

Make it possible to compile dvb_usb_v2 driver without the remote
controller (RC-core).

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

3 files changed, 23 insertions, 1 deletions

diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig b/drivers/media/usb/dvb-usb-v2/Kconfig
index 3240d559ef7b..7b5773fe6367 100644
--- a/drivers/media/usb/dvb-usb-v2/Kconfig
+++ b/drivers/media/usb/dvb-usb-v2/Kconfig
@@ -1,6 +1,6 @@
 config DVB_USB_V2
         tristate "Support for various USB DVB devices v2"
-        depends on DVB_CORE && USB && I2C && RC_CORE
+        depends on DVB_CORE && USB && I2C
         help
           By enabling this you will be able to choose the various supported
           USB1.1 and USB2.0 DVB devices.
@@ -113,6 +113,7 @@ config DVB_USB_IT913X
 config DVB_USB_LME2510
         tristate "LME DM04/QQBOX DVB-S USB2.0 support"
         depends on DVB_USB_V2
+        depends on RC_CORE
         select DVB_TDA10086 if MEDIA_SUBDRV_AUTOSELECT
         select DVB_TDA826X if MEDIA_SUBDRV_AUTOSELECT
         select DVB_STV0288 if MEDIA_SUBDRV_AUTOSELECT
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb.h b/drivers/media/usb/dvb-usb-v2/dvb_usb.h
index 059291b892b8..e2678a78db4c 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb.h
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb.h
@@ -400,4 +400,13 @@ extern int dvb_usbv2_reset_resume(struct usb_interface *);
 extern int dvb_usbv2_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16);
 extern int dvb_usbv2_generic_write(struct dvb_usb_device *, u8 *, u16);
 
+/* stub implementations that will be never called when RC-core is disabled */
+#if !defined(CONFIG_RC_CORE) && !defined(CONFIG_RC_CORE_MODULE)
+#define rc_repeat(args...)
+#define rc_keydown(args...)
+#define rc_keydown_notimeout(args...)
+#define rc_keyup(args...)
+#define rc_g_keycode_from_table(args...) 0
+#endif
+
 #endif
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
index 671b4fa232b4..94f134c4e942 100644
--- a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -102,6 +102,7 @@ static int dvb_usbv2_i2c_exit(struct dvb_usb_device *d)
         return 0;
 }
 
+#if defined(CONFIG_RC_CORE) || defined(CONFIG_RC_CORE_MODULE)
 static void dvb_usb_read_remote_control(struct work_struct *work)
 {
         struct dvb_usb_device *d = container_of(work,
@@ -202,6 +203,17 @@ static int dvb_usbv2_remote_exit(struct dvb_usb_device *d)
 
         return 0;
 }
+#else
+static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
+{
+        return 0;
+}
+
+static int dvb_usbv2_remote_exit(struct dvb_usb_device *d)
+{
+        return 0;
+}
+#endif
 
 static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buf,
                 size_t len)