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author | Jinsuk Kim <jinsukkim@google.com> | 2014-03-06 19:25:19 +0900 |
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committer | Jinsuk Kim <jinsukkim@google.com> | 2014-03-08 06:15:49 +0900 |
commit | 70ae777c9abd054cd47f1dcad2c79ba0ce900a39 (patch) | |
tree | d1682d169f2b5fa691f42ab4d93dd1c5ce48f037 /include/hardware/hdmi_cec.h | |
parent | 5f9a7907844ba5319957dd9913ef951d78709afb (diff) | |
download | hardware_libhardware-70ae777c9abd054cd47f1dcad2c79ba0ce900a39.zip hardware_libhardware-70ae777c9abd054cd47f1dcad2c79ba0ce900a39.tar.gz hardware_libhardware-70ae777c9abd054cd47f1dcad2c79ba0ce900a39.tar.bz2 |
[HDMI-CEC] Modify the signature of register_event_callback
Additional parameter helps the caller avoid managing a static instance
variable. The parameter is used to pass the caller object itself.
Change-Id: I06cbcc7736031678f4638a0b5082d7b6a7ea51b6
Diffstat (limited to 'include/hardware/hdmi_cec.h')
-rw-r--r-- | include/hardware/hdmi_cec.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/hardware/hdmi_cec.h b/include/hardware/hdmi_cec.h index 938e9dc..5b3b1af 100644 --- a/include/hardware/hdmi_cec.h +++ b/include/hardware/hdmi_cec.h @@ -194,7 +194,7 @@ typedef struct hdmi_event { * Callback function type that will be called by HAL implementation. * Services can not close/open the device in the callback. */ -typedef void (*event_callback_t)(const hdmi_event_t* event); +typedef void (*event_callback_t)(const hdmi_event_t* event, void* arg); typedef struct hdmi_cec_module { struct hw_module_t common; @@ -214,7 +214,6 @@ typedef struct hdmi_cec_device { * is not successful the addr will be set to CEC_ADDR_UNREGISTERED. * * Returns 0 on success or -errno on error. - * */ int (*allocate_logical_address)(const struct hdmi_cec_device* dev, int device_type, cec_logical_address_t* addr); @@ -238,14 +237,17 @@ typedef struct hdmi_cec_device { * Returns 0 on success or -errno on error. */ int (*send_message)(const struct hdmi_cec_device* dev, - const cec_message_t *); + const cec_message_t*); /* * (*register_event_callback)() registers a callback that HDMI-CEC HAL * can later use for incoming CEC messages or internal HDMI events. + * When calling from C++, use the argument arg to pass the calling object. + * It will be passed back when the callback is invoked so that the context + * can be retrieved. */ void (*register_event_callback)(const struct hdmi_cec_device* dev, - event_callback_t callback); + event_callback_t callback, void* arg); /* * (*get_version)() returns the CEC version supported by underlying |