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power: Add mutex to camera hints 

Add mutex around camera hints to take in consideration
dual camera use cases.

Change-Id: Ief8d5843893de3f6a03fb73b3ca662e818aee550
This commit is contained in:
Ramakrishnan Ganesh 2016-10-11 16:57:58 -07:00 committed by Jake Weinstein
parent 898bb15156
commit 22ee24dc93
1 changed files with 16 additions and 3 deletions
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19
power/power-8996.c
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@ -47,7 +47,9 @@
#include "performance.h"
#include "power-common.h"
pthread_mutex_t camera_hint_mutex = PTHREAD_MUTEX_INITIALIZER;
static int display_hint_sent;
static int camera_hint_ref_count;
static int process_video_encode_hint(void *metadata)
{
@ -101,15 +103,26 @@ static int process_video_encode_hint(void *metadata)
0x41810000, 0x9C4, 0x41814000, 0x32, 0x4180C000, 0x0, 0x41820000, 0xA,
0x41438100, 0x0, 0x41438000, 0x0};
perform_hint_action(video_encode_metadata.hint_id,
resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
pthread_mutex_lock(&camera_hint_mutex);
camera_hint_ref_count++;
if (camera_hint_ref_count == 1) {
perform_hint_action(video_encode_metadata.hint_id,
resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
}
pthread_mutex_unlock(&camera_hint_mutex);
ALOGI("Video Encode hint start");
return HINT_HANDLED;
}
} else if (video_encode_metadata.state == 0) {
if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) &&
(strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) {
undo_hint_action(video_encode_metadata.hint_id);
pthread_mutex_lock(&camera_hint_mutex);
camera_hint_ref_count--;
if (!camera_hint_ref_count) {
undo_hint_action(video_encode_metadata.hint_id);
}
pthread_mutex_unlock(&camera_hint_mutex);
ALOGI("Video Encode hint stop");
return HINT_HANDLED;
}