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DO NOT MERGE ANYWHERE power: Adds POWER_HINT_DISABLE_TOUCH

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POWER_HINT_DISABLE_TOUCH is used to hint power hal that device is
in a state that touch controller could be disabled to save power.

Bug: 30143923
Change-Id: I56c588e62afadffdb367b6e2c3115cffef51bb45
(cherry picked from commit 90db35122d)
This commit is contained in:
Chenjie Luo 2016-07-14 15:46:58 -07:00
parent a2aa3f358f
commit 2df182d7b1
1 changed files with 10 additions and 1 deletions
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11
include/hardware/power.h
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@ -49,7 +49,8 @@ typedef enum {
POWER_HINT_LOW_POWER = 0x00000005,
POWER_HINT_FOREGROUND_LOAD = 0x00000006,
POWER_HINT_VR_MODE = 0x00000007,
POWER_HINT_LAUNCH = 0x00000008
POWER_HINT_LAUNCH = 0x00000008,
POWER_HINT_DISABLE_TOUCH = 0x00000009
} power_hint_t;
typedef enum {
@ -129,6 +130,14 @@ typedef struct power_module {
* parameter is non-zero when low power mode is activated, and zero
* when deactivated.
*
* POWER_HINT_DISABLE_TOUCH
*
* When device enters some special modes, e.g. theater mode in Android
* Wear, there is no touch interaction expected between device and user.
* Touch controller could be disabled in those modes to save power.
* The data parameter is non-zero when touch could be disabled, and zero
* when touch needs to be re-enabled.
*
* A particular platform may choose to ignore any hint.
*
* availability: version 0.2