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Add new HWC_POWER_MODE_DOZE_SUSPEND power state.

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Change-Id: Ice194315bc51ca25732c9e30c809bd6b39f3718f
This commit is contained in:
Jeff Brown
2014-07-17 20:01:59 -07:00
parent b381645856
commit 842b906dd4
2 changed files with 21 additions and 6 deletions
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8
include/hardware/hwcomposer.h
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@@ -619,12 +619,8 @@ typedef struct hwc_composer_device_1 {
* setPowerMode(..., mode)
* Sets the display screen's power state.
*
* The expected functionality for the various modes is as follows:
* HWC_POWER_MODE_OFF : Turn the display off.
* HWC_POWER_MODE_DOZE : Turn on the display (if it was previously
* off) and put the display in a low power mode.
* HWC_POWER_MODE_NORMAL : Turn on the display (if it was previously
* off), and take it out of low power mode.
* Refer to the documentation of the HWC_POWER_MODE_* constants
* for information about each power mode.
*
* The functionality is similar to the blank() command in previous
* versions of HWC, but with support for more power states.

19
include/hardware/hwcomposer_defs.h
View File

@@ -201,9 +201,28 @@ enum {
/* Display power modes */
enum {
/* The display is turned off (blanked). */
HWC_POWER_MODE_OFF = 0,
/* The display is turned on and configured in a low power state
* that is suitable for presenting ambient information to the user,
* possibly with lower fidelity than normal but greater efficiency. */
HWC_POWER_MODE_DOZE = 1,
/* The display is turned on normally. */
HWC_POWER_MODE_NORMAL = 2,
/* The display is configured as in HWC_POWER_MODE_DOZE but may
* stop applying frame buffer updates from the graphics subsystem.
* This power mode is effectively a hint from the doze dream to
* tell the hardware that it is done drawing to the display for the
* time being and that the display should remain on in a low power
* state and continue showing its current contents indefinitely
* until the mode changes.
*
* This mode may also be used as a signal to enable hardware-based doze
* functionality. In this case, the doze dream is effectively
* indicating that the hardware is free to take over the display
* and manage it autonomously to implement low power always-on display
* functionality. */
HWC_POWER_MODE_DOZE_SUSPEND = 3,
};
/*****************************************************************************/