Add enums for acpi signals, and enums for lid status.

Add function to return current lid status.



SVN revision: 48948
devs/princeamd/enlightenment-0.17-elive
Christopher Michael 13 years ago
parent 7e14b057fa
commit 24188afa26
  1. 50
      src/bin/e_acpi.c
  2. 18
      src/bin/e_acpi.h

@ -23,6 +23,7 @@ struct _ACPIDevice
static int _e_acpi_cb_server_del(void *data __UNUSED__, int type __UNUSED__, void *event);
static int _e_acpi_cb_server_data(void *data __UNUSED__, int type __UNUSED__, void *event);
static void _e_acpi_cb_event_free(void *data __UNUSED__, void *event);
static int _e_acpi_lid_status_get(const char *device, const char *bus);
/* local variables */
static Ecore_Con_Server *_e_acpid = NULL;
@ -150,18 +151,20 @@ _e_acpi_cb_server_data(void *data __UNUSED__, int type __UNUSED__, void *event)
ev = event;
/* write out actual acpi received data to stdout for debugging */
res = fwrite(ev->data, ev->size, 1, stdout);
/* parse out this acpi string into separate pieces */
if (sscanf(ev->data, "%s %4s %8d %8d", device, bus, &sig, &status) != 4)
if (sscanf(ev->data, "%s %4s %d %d", device, bus, &sig, &status) != 4)
return 1;
/* write out acutal acpi received data to stdout for debugging */
res = fwrite(ev->data, ev->size, 1, stdout);
/*
printf("Device: %s\n", device);
printf("Bus: %s\n", bus);
printf("Signal: %d\n", sig);
printf("Status: %d\n", status);
printf("\n");
*/
/* create new event structure to raise */
acpi_event = E_NEW(E_Event_Acpi, 1);
@ -195,6 +198,8 @@ _e_acpi_cb_server_data(void *data __UNUSED__, int type __UNUSED__, void *event)
break;
case E_ACPI_TYPE_LID:
event_type = E_EVENT_ACPI_LID;
acpi_event->status =
_e_acpi_lid_status_get(acpi_event->device, acpi_event->bus_id);
break;
case E_ACPI_TYPE_POWER:
event_type = E_EVENT_ACPI_POWER;
@ -231,3 +236,40 @@ _e_acpi_cb_event_free(void *data __UNUSED__, void *event)
if (ev->bus_id) eina_stringshare_del(ev->bus_id);
E_FREE(ev);
}
static int
_e_acpi_lid_status_get(const char *device, const char *bus)
{
FILE *f;
int i = 0;
char buff[PATH_MAX], *ret;
/* the acpi driver code in the kernel has a nice acpi function to return
* the lid status easily, but that function is not exposed for user_space
* so we need to check the proc fs to get the actual status */
/* make sure we have a device and bus */
if ((!device) || (!bus)) return E_ACPI_LID_UNKNOWN;
/* open the state file from /proc */
snprintf(buff, sizeof(buff), "/proc/acpi/%s/%s/state", device, bus);
if (!(f = fopen(buff, "r"))) return E_ACPI_LID_UNKNOWN;
/* read the line from state file */
buff[0] = '\0';
ret = fgets(buff, 1024, f);
fclose(f);
/* parse out state file */
i = 0;
while (buff[i] != ':') i++;
while (!isalnum(buff[i])) i++;
/* compare value from state file and return something sane */
if (!strcmp(buff, "open"))
return E_ACPI_LID_OPEN;
else if (!strcmp(buff, "closed"))
return E_ACPI_LID_CLOSED;
else
return E_ACPI_LID_UNKNOWN;
}

@ -17,6 +17,24 @@ typedef enum _E_Acpi_Type
E_ACPI_TYPE_WIFI
} E_Acpi_Type;
/* enum for acpi signals */
typedef enum _E_Acpi_Device_Signal
{
E_ACPI_DEVICE_SIGNAL_UNKNOWN,
E_ACPI_DEVICE_SIGNAL_NOTIFY = 80,
E_ACPI_DEVICE_SIGNAL_CHANGED = 82, // device added or removed
E_ACPI_DEVICE_SIGNAL_AWAKE = 83,
E_ACPI_DEVICE_SIGNAL_EJECT = 84
} E_Acpi_Device_Signal;
/* enum for lid status */
typedef enum _E_Acpi_Lid_Status
{
E_ACPI_LID_UNKNOWN,
E_ACPI_LID_CLOSED,
E_ACPI_LID_OPEN
} E_Acpi_Lid_Status;
/* struct used to pass to event handlers */
typedef struct _E_Event_Acpi E_Event_Acpi;

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