wmpower/src/power_management/dell/dell_lib.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include "lib_utils.h"
   5 #include "power_management.h"
   6
   7 #define PROC_FILE "/proc/i8k"
   8
   9 /* we check for /proc/i18k */
  10 int machine_is_dell(void)
  11 {
  12         FILE *fp = fopen(PROC_FILE, "r");
  13
  14         if (fp)
  15         {
  16                 fclose(fp);
  17                 return 1;
  18         }
  19
  20         return 0;
  21 }
  22
  23 int dell_get_fan_status(void)
  24 {
  25         FILE *fp = fopen(PROC_FILE, "r");
  26         int fan_status   = 0;
  27         int fan_2_status = 0;
  28
  29         if (!fp) return PM_Error;
  30
  31         if (fscanf(fp, "%*s%*s%*s%*s%d%d", &fan_status, &fan_2_status) == 2)
  32         {
  33                 fclose(fp);
  34                 return (fan_status + fan_2_status);
  35         }
  36
  37         fclose(fp);
  38         return PM_Error;
  39 }
  40
  41 int dell_get_temperature(void)
  42 {
  43         FILE *fp = fopen(PROC_FILE, "r");
  44         int result;
  45
  46         if (!fp) return PM_Error;
  47
  48         if (fscanf(fp, "%*s%*s%*s%d", &result) == 1)
  49         {
  50                 fclose(fp);
  51                 return result;
  52         }
  53         fclose(fp);
  54
  55         return PM_Error;
  56 }