From 0d830b2d1295fee82546d57185da5a6604f11ae2 Mon Sep 17 00:00:00 2001 From: James Hogan Date: Tue, 31 Mar 2015 14:48:10 -0300 Subject: [media] rc: rc-core: Add support for encode_wakeup drivers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add support in rc-core for drivers which implement the wakeup scancode filter by encoding the scancode using the raw IR encoders. This is by way of rc_dev::encode_wakeup which should be set to true to make the allowed wakeup protocols the same as the set of raw IR encoders. As well as updating the sysfs interface to know which wakeup protocols are allowed for encode_wakeup drivers, also ensure that the IR decoders/encoders are loaded when an encode_wakeup driver is registered. Signed-off-by: James Hogan Signed-off-by: Antti Seppälä Cc: David Härdeman Signed-off-by: Mauro Carvalho Chehab --- drivers/media/rc/rc-ir-raw.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers/media/rc/rc-ir-raw.c') 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); -- cgit v1.2.3