diff options
| author | Ingo Molnar <[email protected]> | 2016-10-16 11:31:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2016-10-16 11:31:39 +0200 |
| commit | 1d33369db25eb7f37b7a8bd22d736888b4501a9c (patch) | |
| tree | 116d764339be1bca928870151decbedc53a9e1d1 /drivers/media/rc/rc-ir-raw.c | |
| parent | 23446cb66c073b827779e5eb3dec301623299b32 (diff) | |
| parent | 1001354ca34179f3db924eb66672442a173147dc (diff) | |
Merge tag 'v4.9-rc1' into x86/urgent, to pick up updates
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/media/rc/rc-ir-raw.c')
| -rw-r--r-- | drivers/media/rc/rc-ir-raw.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index 144304c94606..205ecc602e34 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -26,6 +26,7 @@ static LIST_HEAD(ir_raw_client_list); /* Used to handle IR raw handler extensions */ static DEFINE_MUTEX(ir_raw_handler_lock); static LIST_HEAD(ir_raw_handler_list); +static DEFINE_MUTEX(available_protocols_lock); static u64 available_protocols; static int ir_raw_event_thread(void *data) @@ -234,9 +235,9 @@ u64 ir_raw_get_allowed_protocols(void) { u64 protocols; - mutex_lock(&ir_raw_handler_lock); + mutex_lock(&available_protocols_lock); protocols = available_protocols; - mutex_unlock(&ir_raw_handler_lock); + mutex_unlock(&available_protocols_lock); return protocols; } @@ -330,7 +331,9 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler) if (ir_raw_handler->raw_register) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_register(raw->dev); + mutex_lock(&available_protocols_lock); available_protocols |= ir_raw_handler->protocols; + mutex_unlock(&available_protocols_lock); mutex_unlock(&ir_raw_handler_lock); return 0; @@ -349,7 +352,9 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler) if (ir_raw_handler->raw_unregister) ir_raw_handler->raw_unregister(raw->dev); } + mutex_lock(&available_protocols_lock); available_protocols &= ~protocols; + mutex_unlock(&available_protocols_lock); mutex_unlock(&ir_raw_handler_lock); } EXPORT_SYMBOL(ir_raw_handler_unregister); |