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| author | Ricardo Cerqueira <ricardo@cyngn.com> | 2014-09-04 17:54:36 +0100 |
|---|---|---|
| committer | Ricardo Cerqueira <ricardo@cyngn.com> | 2014-09-04 17:54:36 +0100 |
| commit | 101c55d0b91557fa7a46b611b06fb343b5321936 (patch) | |
| tree | b519caaf4eceea68c06bed069c7c685bfe0cc25d | |
| parent | 03283a4630eace5af6ac3de9f2bff17adc0521c8 (diff) | |
| download | device_samsung_i9100-101c55d0b91557fa7a46b611b06fb343b5321936.zip device_samsung_i9100-101c55d0b91557fa7a46b611b06fb343b5321936.tar.gz device_samsung_i9100-101c55d0b91557fa7a46b611b06fb343b5321936.tar.bz2 | |
sensors: Force a minimum interval between gyro state changes
The gyroscope will mess up the entire sensor pile if it gets deactivated
less than around 150 msec after it's enabled, which does happen
with some overly aggressive apps. Prevent this simply by delaying all
gyro disablements by 200 msec.
Change-Id: I8212a8aa4beb22a241ed63cc8d1471b4fea3d0b6
| -rw-r--r-- | libsensors/sensors.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libsensors/sensors.cpp b/libsensors/sensors.cpp index d57f65a..e393cd5 100644 --- a/libsensors/sensors.cpp +++ b/libsensors/sensors.cpp @@ -210,6 +210,9 @@ sensors_poll_context_t::~sensors_poll_context_t() { int sensors_poll_context_t::activate(int handle, int enabled) { int index = handleToDriver(handle); if (index < 0) return index; + if (index == gyro && enabled == 0) { + usleep(200*1000); + } int err = mSensors[index]->enable(handle, enabled); if (enabled && !err) { const char wakeMessage(WAKE_MESSAGE); @@ -311,7 +314,7 @@ static int open_sensors(const struct hw_module_t* module, const char* id, memset(&dev->device, 0, sizeof(sensors_poll_device_t)); dev->device.common.tag = HARDWARE_DEVICE_TAG; - dev->device.common.version = 0; + dev->device.common.version = SENSORS_DEVICE_API_VERSION_0_1; dev->device.common.module = const_cast<hw_module_t*>(module); dev->device.common.close = poll__close; dev->device.activate = poll__activate; |