From f4d4e7656b26a6013bc5072c946920d2e2c44e8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ezequiel=20Garc=C3=ADa?= <elezegarcia@gmail.com>
Date: Mon, 26 Mar 2012 09:13:35 -0300
Subject: [media] em28xx: Make em28xx-input.c a separate module

Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
[mchehab@redhat.com: Changed the default to follow the em28xx selection]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/em28xx/Kconfig b/drivers/media/video/em28xx/Kconfig
index f6f622e..928ef0d 100644
--- a/drivers/media/video/em28xx/Kconfig
+++ b/drivers/media/video/em28xx/Kconfig
@@ -49,10 +49,10 @@ config VIDEO_EM28XX_DVB
 	  Empiatech em28xx chips.
 
 config VIDEO_EM28XX_RC
-        bool "EM28XX Remote Controller support"
+        tristate "EM28XX Remote Controller support"
         depends on RC_CORE
         depends on VIDEO_EM28XX
         depends on !(RC_CORE=m && VIDEO_EM28XX=y)
-        default y
+        default VIDEO_EM28XX
         ---help---
           Enables Remote Controller support on em28xx driver.
diff --git a/drivers/media/video/em28xx/Makefile b/drivers/media/video/em28xx/Makefile
index 2abdf76..c8b338d 100644
--- a/drivers/media/video/em28xx/Makefile
+++ b/drivers/media/video/em28xx/Makefile
@@ -1,16 +1,15 @@
 em28xx-y :=	em28xx-video.o em28xx-i2c.o em28xx-cards.o
 em28xx-y +=	em28xx-core.o  em28xx-vbi.o
 
-em28xx-$(CONFIG_VIDEO_EM28XX_RC) += em28xx-input.o
-
 em28xx-alsa-objs := em28xx-audio.o
+em28xx-rc-objs := em28xx-input.o
 
 obj-$(CONFIG_VIDEO_EM28XX) += em28xx.o
 obj-$(CONFIG_VIDEO_EM28XX_ALSA) += em28xx-alsa.o
 obj-$(CONFIG_VIDEO_EM28XX_DVB) += em28xx-dvb.o
+obj-$(CONFIG_VIDEO_EM28XX_RC) += em28xx-rc.o
 
 ccflags-y += -Idrivers/media/video
 ccflags-y += -Idrivers/media/common/tuners
 ccflags-y += -Idrivers/media/dvb/dvb-core
 ccflags-y += -Idrivers/media/dvb/frontends
-
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 160f2196..0ac117c 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -2874,9 +2874,6 @@ void em28xx_card_setup(struct em28xx *dev)
 	}
 
 	em28xx_tuner_setup(dev);
-
-	if(!disable_ir)
-		em28xx_ir_init(dev);
 }
 
 
@@ -2893,6 +2890,8 @@ static void request_module_async(struct work_struct *work)
 
 	if (dev->board.has_dvb)
 		request_module("em28xx-dvb");
+	if (dev->board.has_ir_i2c && !disable_ir)
+		request_module("em28xx-rc");
 }
 
 static void request_modules(struct em28xx *dev)
@@ -2917,9 +2916,6 @@ static void flush_request_modules(struct em28xx *dev)
 */
 void em28xx_release_resources(struct em28xx *dev)
 {
-	if (dev->ir)
-		em28xx_ir_fini(dev);
-
 	/*FIXME: I2C IR should be disconnected */
 
 	em28xx_release_analog_resources(dev);
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c
index 2496625..fce5f76 100644
--- a/drivers/media/video/em28xx/em28xx-input.c
+++ b/drivers/media/video/em28xx/em28xx-input.c
@@ -519,7 +519,7 @@ static void em28xx_deregister_snapshot_button(struct em28xx *dev)
 	return;
 }
 
-int em28xx_ir_init(struct em28xx *dev)
+static int em28xx_ir_init(struct em28xx *dev)
 {
 	struct em28xx_IR *ir;
 	struct rc_dev *rc;
@@ -599,7 +599,7 @@ int em28xx_ir_init(struct em28xx *dev)
 	return err;
 }
 
-int em28xx_ir_fini(struct em28xx *dev)
+static int em28xx_ir_fini(struct em28xx *dev)
 {
 	struct em28xx_IR *ir = dev->ir;
 
@@ -618,3 +618,26 @@ int em28xx_ir_fini(struct em28xx *dev)
 	return 0;
 }
 
+static struct em28xx_ops rc_ops = {
+	.id   = EM28XX_RC,
+	.name = "Em28xx Input Extension",
+	.init = em28xx_ir_init,
+	.fini = em28xx_ir_fini,
+};
+
+static int __init em28xx_rc_register(void)
+{
+	return em28xx_register_extension(&rc_ops);
+}
+
+static void __exit em28xx_rc_unregister(void)
+{
+	em28xx_unregister_extension(&rc_ops);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
+MODULE_DESCRIPTION("Em28xx Input driver");
+
+module_init(em28xx_rc_register);
+module_exit(em28xx_rc_unregister);
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 005316f..9a2bd5c 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -453,6 +453,7 @@ enum em28xx_dev_state {
 /* em28xx extensions */
 #define EM28XX_AUDIO   0x10
 #define EM28XX_DVB     0x20
+#define EM28XX_RC      0x30
 
 /* em28xx resource types (used for res_get/res_lock etc */
 #define EM28XX_RESOURCE_VIDEO 0x01
@@ -705,20 +706,6 @@ extern const unsigned int em28xx_bcount;
 int em28xx_tuner_callback(void *ptr, int component, int command, int arg);
 void em28xx_release_resources(struct em28xx *dev);
 
-/* Provided by em28xx-input.c */
-
-#ifdef CONFIG_VIDEO_EM28XX_RC
-
-int em28xx_ir_init(struct em28xx *dev);
-int em28xx_ir_fini(struct em28xx *dev);
-
-#else
-
-static inline int em28xx_ir_init(struct em28xx *dev) { return 0; }
-static inline int em28xx_ir_fini(struct em28xx *dev) { return 0; }
-
-#endif
-
 /* Provided by em28xx-vbi.c */
 extern struct videobuf_queue_ops em28xx_vbi_qops;
 
-- 
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