diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hardware/power.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/hardware/power.h b/include/hardware/power.h index 6c55061..39b066c 100644 --- a/include/hardware/power.h +++ b/include/hardware/power.h @@ -41,6 +41,7 @@ __BEGIN_DECLS typedef enum { POWER_HINT_VSYNC = 0x00000001, POWER_HINT_INTERACTION = 0x00000002, + POWER_HINT_VIDEO_ENCODE = 0x00000003, } power_hint_t; /** @@ -108,6 +109,17 @@ typedef struct power_module { * and it may be appropriate to raise speeds of CPU, memory bus, * etc. The data parameter is unused. * + * POWER_HINT_VIDEO_ENCODE + * + * The user just started or stopped recording video. When encode + * begins, large writes to the SD card will be done and this may + * cause CPU frequency to increase. The data parameter is a string + * with semicolon-separated 'key:value' pairs. The most common key is + * 'state', which takes 0 or 1 as its value. For instance, To + * indicate that recording is beginning, the string "state:1" would + * need to be used. More keys can be provided depending on the data + * that is to be passed. + * * A particular platform may choose to ignore any hint. * * availability: version 0.2 |