[media] rc: add wakeup_protocols sysfs file

Add a wakeup_protocols sysfs file which controls the new
rc_dev::enabled_protocols[RC_FILTER_WAKEUP], which is the mask of
protocols that are used for the wakeup filter.

A new RC driver callback change_wakeup_protocol() is called to change
the wakeup protocol mask.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/media/rc-core.h b/include/media/rc-core.h
index f165115597f5..0b9f890ce431 100644
--- a/include/media/rc-core.h
+++ b/include/media/rc-core.h
@@ -97,6 +97,8 @@ enum rc_filter_type {
  * @tx_resolution: resolution (in ns) of output sampler
  * @scancode_filters: scancode filters (indexed by enum rc_filter_type)
  * @change_protocol: allow changing the protocol used on hardware decoders
+ * @change_wakeup_protocol: allow changing the protocol used for wakeup
+ *      filtering
  * @open: callback to allow drivers to enable polling/irq when IR input device
  *      is opened.
  * @close: callback to allow drivers to disable polling/irq when IR input device
@@ -145,6 +147,7 @@ struct rc_dev {
         u32                             tx_resolution;
         struct rc_scancode_filter       scancode_filters[RC_FILTER_MAX];
         int                             (*change_protocol)(struct rc_dev *dev, u64 *rc_type);
+        int                             (*change_wakeup_protocol)(struct rc_dev *dev, u64 *rc_type);
         int                             (*open)(struct rc_dev *dev);
         void                            (*close)(struct rc_dev *dev);
         int                             (*s_tx_mask)(struct rc_dev *dev, u32 mask);