Fix a warning

[android-x86/hardware-intel-libsensors.git] / common.h

diff --git a/common.h b/common.h
index 5718cbc..156edac 100644 (file)
--- a/common.h
+++ b/common.h
@@ -1,13 +1,14 @@
 /*
- * Copyright (C) 2014 Intel Corporation.
+ * Copyright (C) 2014-2015 Intel Corporation.
  */
 
 #ifndef __COMMON_H__
 #define __COMMON_H__
 
 #define MAX_DEVICES    9       /* Check iio devices 0 to MAX_DEVICES-1 */
-#define MAX_SENSORS    11      /* We can handle as many sensors */
+#define MAX_SENSORS    12      /* We can handle as many sensors */
 #define MAX_CHANNELS   4       /* We can handle as many channels per sensor */
+#define MAX_EVENTS     8       /* We can handle as many events per channel */
 #define MAX_TRIGGERS   8       /* Check for triggers 0 to MAX_TRIGGERS-1 */
 
 #define DEV_FILE_PATH          "/dev/iio:device%d"
@@ -18,6 +19,7 @@
 #define ENABLE_PATH            BASE_PATH "buffer/enable"
 #define NAME_PATH              BASE_PATH "name"
 #define TRIGGER_PATH           BASE_PATH "trigger/current_trigger"
+#define EVENTS_PATH            BASE_PATH "events/"
 #define SENSOR_ENABLE_PATH     BASE_PATH "in_%s_en"
 #define SENSOR_OFFSET_PATH     BASE_PATH "in_%s_offset"
 #define SENSOR_SCALE_PATH      BASE_PATH "in_%s_scale"
@@ -47,6 +49,19 @@
 #define MODE_AUTO      0 /* autodetect */
 #define MODE_POLL      1
 #define MODE_TRIGGER   2
+#define MODE_EVENT     3
+
+typedef struct
+{
+       const char *type; /* event type; e.g: transition */
+       const char *dir;  /* event direction; e.g: rising */
+
+       /* sysfs entries located in /sys/bus/iio/devices/iio:deviceX/events/ */
+       const char *ev_en_path;
+       const char *ev_value_path;
+}
+event_descriptor_t;
+
 
 typedef struct
 {
@@ -61,6 +76,9 @@ typedef struct
        const char *raw_path;   /* _raw sysfs file name  */
        const char *input_path; /* _input sysfs file name */
        const char *scale_path; /* _scale sysfs file name */
+
+       const int num_events;
+       event_descriptor_t event[MAX_EVENTS];
 }
 channel_descriptor_t;
 
@@ -98,6 +116,8 @@ typedef struct
                          * Optional correction scale read from a property such as iio.accel.x.scale, allowing late compensation of
                          * problems such as misconfigured axes ; set to 1 by default. Applied at the end of the scaling process.
                          */
+       int raw_path_present;   /* Flag signalling the presence of in_<sens>_<axis>_raw file */
+       int input_path_present; /* Flag signalling the presence of in_<sens>_input file */
 }
 channel_info_t;