Unlock some nice features... capabilities on http://jackit.sf.net/docs/faq.php#a54
allow admin to turn on multicast from proc interface

Since 2.6.18 need dvb to not use shutdown if it is zero

--- /usr/src/linux/include/linux/capability.h	2005-03-02 07:37:50.000000000 +0000
+++ /usr/src/linux/include/linux/capability.h	2005-08-28 00:12:43.150862450 +0100
@@ -311,8 +311,8 @@
 
 #define CAP_EMPTY_SET       to_cap_t(0)
 #define CAP_FULL_SET        to_cap_t(~0)
-#define CAP_INIT_EFF_SET    to_cap_t(~0 & ~CAP_TO_MASK(CAP_SETPCAP))
-#define CAP_INIT_INH_SET    to_cap_t(0)
+#define CAP_INIT_EFF_SET    to_cap_t(~0)
+#define CAP_INIT_INH_SET    to_cap_t(~0)
 
 #define CAP_TO_MASK(x) (1 << (x))
 #define cap_raise(c, flag)   (cap_t(c) |=  CAP_TO_MASK(flag))
--- /usr/src/linux/net/ipv4/devinet.c	2005-03-02 07:37:50.000000000 +0000
+++ /usr/src/linux/net/ipv4/devinet.c	2005-08-28 00:14:09.527835038 +0100
@@ -1232,7 +1232,7 @@
 			.procname	= "mc_forwarding",
 			.data		= &ipv4_devconf.mc_forwarding,
 			.maxlen		= sizeof(int),
-			.mode		= 0444,
+			.mode		= 0644,
 			.proc_handler	= &proc_dointvec,
 		},
 		{
--- /usr/src/linux/drivers/media/dvb/dvb-core/dvb_frontend.c	2007-06-20 21:23:08.000000000 +0100
+++ /usr/src/linux/drivers/media/dvb/dvb-core/dvb_frontend.c	2007-06-20 21:26:08.000000000 +0100
@@ -42,7 +42,7 @@
 #include "dvbdev.h"
 
 static int dvb_frontend_debug;
-static int dvb_shutdown_timeout = 5;
+static int dvb_shutdown_timeout = 0;
 static int dvb_force_auto_inversion;
 static int dvb_override_tune_delay;
 static int dvb_powerdown_on_sleep = 1;
@@ -476,7 +476,7 @@
 	if (fepriv->exit)
 		return 1;
 
-	if (fepriv->dvbdev->writers == 1)
+	if (dvb_shutdown_timeout && (fepriv->dvbdev->writers == 1))
 		if (time_after(jiffies, fepriv->release_jiffies +
 				  dvb_shutdown_timeout * HZ))
 			return 1;