diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/rc-core.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 2f6f1f7..4a72176 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -35,6 +35,29 @@ enum rc_driver_type { }; /** + * struct rc_scancode_filter - Filter scan codes. + * @data: Scancode data to match. + * @mask: Mask of bits of scancode to compare. + */ +struct rc_scancode_filter { + u32 data; + u32 mask; +}; + +/** + * enum rc_filter_type - Filter type constants. + * @RC_FILTER_NORMAL: Filter for normal operation. + * @RC_FILTER_WAKEUP: Filter for waking from suspend. + * @RC_FILTER_MAX: Number of filter types. + */ +enum rc_filter_type { + RC_FILTER_NORMAL = 0, + RC_FILTER_WAKEUP, + + RC_FILTER_MAX +}; + +/** * struct rc_dev - represents a remote control device * @dev: driver model's view of this device * @input_name: name of the input child device @@ -70,6 +93,7 @@ enum rc_driver_type { * @max_timeout: maximum timeout supported by device * @rx_resolution : resolution (in ns) of input sampler * @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 * @open: callback to allow drivers to enable polling/irq when IR input device * is opened. @@ -84,6 +108,7 @@ enum rc_driver_type { * device doesn't interrupt host until it sees IR pulses * @s_learning_mode: enable wide band receiver used for learning * @s_carrier_report: enable carrier reports + * @s_filter: set the scancode filter of a given type */ struct rc_dev { struct device dev; @@ -116,6 +141,7 @@ struct rc_dev { u32 max_timeout; u32 rx_resolution; u32 tx_resolution; + struct rc_scancode_filter scancode_filters[RC_FILTER_MAX]; int (*change_protocol)(struct rc_dev *dev, u64 *rc_type); int (*open)(struct rc_dev *dev); void (*close)(struct rc_dev *dev); @@ -127,6 +153,9 @@ struct rc_dev { void (*s_idle)(struct rc_dev *dev, bool enable); int (*s_learning_mode)(struct rc_dev *dev, int enable); int (*s_carrier_report) (struct rc_dev *dev, int enable); + int (*s_filter)(struct rc_dev *dev, + enum rc_filter_type type, + struct rc_scancode_filter *filter); }; #define to_rc_dev(d) container_of(d, struct rc_dev, dev) |