diff options
Diffstat (limited to 'drivers/media/rc/rc-ir-raw.c')
| -rw-r--r-- | drivers/media/rc/rc-ir-raw.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index 6c9580e4cac5..b9e4645c731c 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -30,6 +30,7 @@ static LIST_HEAD(ir_raw_client_list); static DEFINE_MUTEX(ir_raw_handler_lock); static LIST_HEAD(ir_raw_handler_list); static u64 available_protocols; +static u64 encode_protocols; static int ir_raw_event_thread(void *data) { @@ -240,6 +241,18 @@ ir_raw_get_allowed_protocols(void) return protocols; } +/* used internally by the sysfs interface */ +u64 +ir_raw_get_encode_protocols(void) +{ + u64 protocols; + + mutex_lock(&ir_raw_handler_lock); + protocols = encode_protocols; + mutex_unlock(&ir_raw_handler_lock); + return protocols; +} + static int change_protocol(struct rc_dev *dev, u64 *rc_type) { /* the caller will update dev->enabled_protocols */ @@ -450,6 +463,8 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_register(raw->dev); available_protocols |= ir_raw_handler->protocols; + if (ir_raw_handler->encode) + encode_protocols |= ir_raw_handler->protocols; mutex_unlock(&ir_raw_handler_lock); return 0; @@ -466,6 +481,8 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_unregister(raw->dev); available_protocols &= ~ir_raw_handler->protocols; + if (ir_raw_handler->encode) + encode_protocols &= ~ir_raw_handler->protocols; mutex_unlock(&ir_raw_handler_lock); } EXPORT_SYMBOL(ir_raw_handler_unregister); |