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authorHeiner Kallweit <hkallweit1@gmail.com>2015-11-16 17:51:56 -0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-11-19 11:36:29 -0200
commit93cffffc18f6894f90ae03552e8a228eb402347c (patch)
treec77bb5ffbf96360a5df99ad5bdc7bf51af5f126b /drivers/media/rc
parentfa52bd506f274b7619955917abfde355e3d19ffe (diff)
[media] media: rc: fix decoder module unloading
Currently, if a decoder module is unloadad, the respective protocol is still shown as enabled (if it was enabled before). Fix this by resetting the respective protocol bits if a decoder module is unloaded. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/rc-ir-raw.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c
index ad260520a9d4..5cfb61fc22c6 100644
--- a/drivers/media/rc/rc-ir-raw.c
+++ b/drivers/media/rc/rc-ir-raw.c
@@ -246,6 +246,14 @@ static int change_protocol(struct rc_dev *dev, u64 *rc_type)
return 0;
}
+static void ir_raw_disable_protocols(struct rc_dev *dev, u64 protocols)
+{
+ mutex_lock(&dev->lock);
+ dev->enabled_protocols &= ~protocols;
+ dev->enabled_wakeup_protocols &= ~protocols;
+ mutex_unlock(&dev->lock);
+}
+
/*
* Used to (un)register raw event clients
*/
@@ -337,13 +345,16 @@ EXPORT_SYMBOL(ir_raw_handler_register);
void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler)
{
struct ir_raw_event_ctrl *raw;
+ u64 protocols = ir_raw_handler->protocols;
mutex_lock(&ir_raw_handler_lock);
list_del(&ir_raw_handler->list);
- if (ir_raw_handler->raw_unregister)
- list_for_each_entry(raw, &ir_raw_client_list, list)
+ list_for_each_entry(raw, &ir_raw_client_list, list) {
+ ir_raw_disable_protocols(raw->dev, protocols);
+ if (ir_raw_handler->raw_unregister)
ir_raw_handler->raw_unregister(raw->dev);
- available_protocols &= ~ir_raw_handler->protocols;
+ }
+ available_protocols &= ~protocols;
mutex_unlock(&ir_raw_handler_lock);
}
EXPORT_SYMBOL(ir_raw_handler_unregister);

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