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Merge commit 'goog/master' into merge_master

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This commit is contained in:
Mathias Agopian 2009-05-27 14:25:54 -07:00
commit 8aee7e58cf
1 changed files with 9 additions and 8 deletions
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17
include/hardware/sensors.h
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@ -22,6 +22,7 @@
#include <sys/types.h>
#include <hardware/hardware.h>
#include <cutils/native_handle.h>
__BEGIN_DECLS
@ -278,14 +279,14 @@ struct sensors_control_device_t {
struct hw_device_t common;
/**
* Returns the fd which will be the parameter to
* Returns a native_handle_t, which will be the parameter to
* sensors_data_device_t::open_data().
* The caller takes ownership of this fd. This is intended to be
* The caller takes ownership of this handle. This is intended to be
* passed cross processes.
*
* @return a fd if successful, < 0 on error
* @return a native_handle_t if successful, < 0 on error
*/
int (*open_data_source)(struct sensors_control_device_t *dev);
native_handle_t* (*open_data_source)(struct sensors_control_device_t *dev);
/** Activate/deactivate one sensor.
*
@ -316,15 +317,15 @@ struct sensors_data_device_t {
/**
* Prepare to read sensor data.
*
* This routine does NOT take ownership of the fd
* This routine does NOT take ownership of the handle
* and must not close it. Typically this routine would
* use a duplicate of the fd parameter.
* use a duplicate of the nh parameter.
*
* @param fd from sensors_control_open.
* @param nh from sensors_control_open.
*
* @return 0 if successful, < 0 on error
*/
int (*data_open)(struct sensors_data_device_t *dev, int fd);
int (*data_open)(struct sensors_data_device_t *dev, native_handle_t* nh);
/**
* Caller has completed using the sensor data.