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power: Keep boost fd opened as well

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Change-Id: I016b28c29786fc948a007d4ec3106be8a662eafd
This commit is contained in:
Christopher N. Hesse 2017-07-08 12:44:39 +02:00
parent a322ea2bdd
commit fb5669e851
1 changed files with 41 additions and 30 deletions
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71
power/power.c
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@ -55,6 +55,7 @@
struct samsung_power_module {
struct power_module base;
pthread_mutex_t lock;
int boost_fd;
int boostpulse_fd;
char hispeed_freqs[CLUSTER_COUNT][PARAM_MAXLEN];
char max_freqs[CLUSTER_COUNT][PARAM_MAXLEN];
@ -172,41 +173,22 @@ static void cpu_interactive_write(const char *param, char s[CLUSTER_COUNT][PARAM
}
}
static void boost(int32_t duration_us)
static void send_boost(int boost_fd, int32_t duration_us)
{
int fd;
char path[PATH_MAX];
int len;
if (duration_us <= 0)
return;
// the boost node is only valid for the LITTLE cluster
sprintf(path, "%s%s", CPU_INTERACTIVE_PATHS[0], BOOST_PATH);
fd = open(path, O_WRONLY);
if (fd < 0) {
ALOGE("Error opening %s", path);
if (boost_fd < 0) {
return;
}
len = write(boost_fd, "1", 1);
if (len < 0) {
ALOGE("Error writing to %s%s: %s", CPU_INTERACTIVE_PATHS[0], BOOST_PATH, strerror(errno));
return;
}
write(fd, "1", 1);
usleep(duration_us);
write(fd, "0", 1);
close(fd);
}
static void boostpulse_open(struct samsung_power_module *samsung_pwr)
{
char path[PATH_MAX];
// the boostpulse node is only valid for the LITTLE cluster
sprintf(path, "%s%s", CPU_INTERACTIVE_PATHS[0], BOOSTPULSE_PATH);
samsung_pwr->boostpulse_fd = open(path, O_WRONLY);
if (samsung_pwr->boostpulse_fd < 0) {
ALOGE("Error opening %s: %s\n", path, strerror(errno));
}
len = write(boost_fd, "0", 1);
}
static void send_boostpulse(int boostpulse_fd)
@ -358,12 +340,40 @@ static void init_touch_input_power_path(struct samsung_power_module *samsung_pwr
}
}
static void boost_open(struct samsung_power_module *samsung_pwr)
{
char path[PATH_MAX];
// the boost node is only valid for the LITTLE cluster
sprintf(path, "%s%s", CPU_INTERACTIVE_PATHS[0], BOOST_PATH);
samsung_pwr->boost_fd = open(path, O_WRONLY);
if (samsung_pwr->boost_fd < 0) {
ALOGE("Error opening %s: %s\n", path, strerror(errno));
}
}
static void boostpulse_open(struct samsung_power_module *samsung_pwr)
{
char path[PATH_MAX];
// the boostpulse node is only valid for the LITTLE cluster
sprintf(path, "%s%s", CPU_INTERACTIVE_PATHS[0], BOOSTPULSE_PATH);
samsung_pwr->boostpulse_fd = open(path, O_WRONLY);
if (samsung_pwr->boostpulse_fd < 0) {
ALOGE("Error opening %s: %s\n", path, strerror(errno));
}
}
static void samsung_power_init(struct power_module *module)
{
struct samsung_power_module *samsung_pwr = (struct samsung_power_module *) module;
init_cpufreqs(samsung_pwr);
// keep interactive boost fds opened
boost_open(samsung_pwr);
boostpulse_open(samsung_pwr);
samsung_pwr->touchscreen_power_path = NULL;
@ -494,7 +504,8 @@ static void samsung_power_hint(struct power_module *module,
break;
case POWER_HINT_CPU_BOOST:
ALOGV("%s: POWER_HINT_CPU_BOOST", __func__);
boost((*(int32_t *)data));
int32_t duration_us = *((int32_t *)data);
send_boost(samsung_pwr->boost_fd, duration_us);
break;
case POWER_HINT_SET_PROFILE:
ALOGV("%s: POWER_HINT_SET_PROFILE", __func__);