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authorPatrick Boettcher <pb@linuxtv.org>2005-07-07 17:58:11 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-07 18:23:59 -0700
commitc9b06fa47e1c1ff8704461c7fd6a99e3621ba0e6 (patch)
treeb452edcee12a9435464b42688de2fc5ac2003a17 /drivers
parent22c6d93a73105fddd58796d7cb10f5f90ee2a338 (diff)
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[PATCH] dvb: usb: add module parm to disable remote control polling
Add module parameter to deactive remote control polling. Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-common.h1
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-init.c4
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-remote.c8
3 files changed, 12 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-common.h b/drivers/media/dvb/dvb-usb/dvb-usb-common.h
index abf7d2f562b..7300489d3e2 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-common.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-common.h
@@ -12,6 +12,7 @@
#include "dvb-usb.h"
extern int dvb_usb_debug;
+extern int dvb_usb_disable_rc_polling;
#define deb_info(args...) dprintk(dvb_usb_debug,0x01,args)
#define deb_xfer(args...) dprintk(dvb_usb_debug,0x02,args)
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-init.c b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
index 3aadec974cf..c3b3ae4f3ec 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-init.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-init.c
@@ -18,6 +18,10 @@ int dvb_usb_debug;
module_param_named(debug,dvb_usb_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,pll=4,ts=8,err=16,rc=32,fw=64 (or-able))." DVB_USB_DEBUG_STATUS);
+int dvb_usb_disable_rc_polling;
+module_param_named(disable_rc_polling, dvb_usb_disable_rc_polling, int, 0644);
+MODULE_PARM_DESC(disable_rc_polling, "disable remote control polling (default: 0).");
+
/* general initialization functions */
int dvb_usb_exit(struct dvb_usb_device *d)
{
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
index 9f1e23f82ba..f4038bf21c9 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
@@ -21,6 +21,10 @@ static void dvb_usb_read_remote_control(void *data)
/* TODO: need a lock here. We can simply skip checking for the remote control
if we're busy. */
+ /* when the parameter has been set to 1 via sysfs while the driver was running */
+ if (dvb_usb_disable_rc_polling)
+ return;
+
if (d->props.rc_query(d,&event,&state)) {
err("error while querying for an remote control event.");
goto schedule;
@@ -85,7 +89,9 @@ schedule:
int dvb_usb_remote_init(struct dvb_usb_device *d)
{
int i;
- if (d->props.rc_key_map == NULL)
+ if (d->props.rc_key_map == NULL ||
+ d->props.rc_query == NULL ||
+ dvb_usb_disable_rc_polling)
return 0;
/* Initialise the remote-control structures.*/