Merge "input: sensors: add wake up interface for low power sensor" (32e3cdf6) · Commits · e / devices / android_kernel_sony_msm8994

drivers/sensors/sensors_class.c

+36 −0

Original line number	Diff line number	Diff line
		@@ -349,6 +349,40 @@ static ssize_t sensors_flush_show(struct device *dev,
		? "not exist" : "exist");
		}

		static ssize_t sensors_enable_wakeup_store(struct device *dev,
		struct device_attribute attr, const char buf, size_t size)
		{
		struct sensors_classdev *sensors_cdev = dev_get_drvdata(dev);
		ssize_t ret;
		unsigned long enable;

		if (sensors_cdev->sensors_enable_wakeup == NULL) {
		dev_err(dev, "Invalid sensor class enable_wakeup handle\n");
		return -EINVAL;
		}

		ret = kstrtoul(buf, 10, &enable);
		if (ret)
		return ret;

		enable = enable ? 1 : 0;
		ret = sensors_cdev->sensors_enable_wakeup(sensors_cdev, enable);
		if (ret)
		return ret;

		sensors_cdev->wakeup = enable;

		return size;
		}

		static ssize_t sensors_enable_wakeup_show(struct device *dev,
		struct device_attribute attr, char buf)
		{
		struct sensors_classdev *sensors_cdev = dev_get_drvdata(dev);
		return snprintf(buf, PAGE_SIZE, "%d\n", sensors_cdev->wakeup);
		}


		static ssize_t sensors_calibrate_show(struct device *dev,
		struct device_attribute atte, char buf)
		{
		@@ -426,6 +460,8 @@ static struct device_attribute sensors_class_attrs[] = {
		__ATTR(self_test, 0440, sensors_test_show, NULL),
		__ATTR(batch, 0660, sensors_batch_show, sensors_batch_store),
		__ATTR(flush, 0660, sensors_flush_show, sensors_flush_store),
		__ATTR(enable_wakeup, 0660, sensors_enable_wakeup_show,
		sensors_enable_wakeup_store),
		__ATTR(calibrate, 0664, sensors_calibrate_show,
		sensors_calibrate_store),
		__ATTR_NULL,

+4 −0

Original line number	Diff line number	Diff line
		@@ -109,6 +109,7 @@ struct cal_result_t {
		* @enabled: Store the sensor driver enable status.
		* @delay_msec: Store the sensor driver delay value. The data unit is
		* millisecond.
		* @wakeup: Indicate if the wake up interrupt has been enabled
		* @sensors_enable: The handle for enable and disable sensor.
		* @sensors_poll_delay: The handle for set the sensor polling delay time.
		* @params The sensor calibrate string format params up to userspace.
		@@ -133,6 +134,7 @@ struct sensors_classdev {
		unsigned int batch_mode;
		unsigned int delay_msec;
		unsigned int batch_timeout_ms;
		unsigned int wakeup;
		char *params;
		struct cal_result_t cal_result;
		/* enable and disable the sensor handle*/
		@@ -147,6 +149,8 @@ struct sensors_classdev {
		unsigned int period_ms,
		unsigned int timeout_ms);
		int (sensors_flush)(struct sensors_classdev sensors_cdev);
		int (sensors_enable_wakeup)(struct sensors_classdev sensors_cdev,
		unsigned int enable);
		int (sensors_calibrate)(struct sensors_classdev sensor_cdev,
		int axis, int apply_now);
		int (*sensors_write_cal_params)(struct sensors_classdev