lib/driver/misc_options.cpp

   1 #include <lib/driver/misc_options.h>
   2
   3 #include <unistd.h>
   4 #include <fcntl.h>
   5 #include <sys/ioctl.h>
   6
   7 #include <lib/base/init.h>
   8 #include <lib/base/init_num.h>
   9 #include <lib/base/eerror.h>
  10
  11 Misc_Options *Misc_Options::instance = 0;
  12
  13 Misc_Options::Misc_Options()
  14         :m_12V_output_state(-1)
  15 {
  16         ASSERT(!instance);
  17         instance = this;
  18 }
  19
  20 int Misc_Options::set_12V_output(int state)
  21 {
  22         if (state == m_12V_output_state)
  23                 return 0;
  24         int fd = open("/proc/stb/misc/12V_output", O_WRONLY);
  25         if (fd < 0)
  26         {
  27                 eDebug("couldn't open /proc/stb/misc/12V_output");
  28                 return -1;
  29         }
  30         const char *str=0;
  31         if (state == 0)
  32                 str = "off";
  33         else if (state == 1)
  34                 str = "on";
  35         if (str)
  36                 write(fd, str, strlen(str));
  37         m_12V_output_state = state;
  38         close(fd);
  39         return 0;
  40 }
  41
  42 Misc_Options *Misc_Options::getInstance()
  43 {
  44         return instance;
  45 }
  46
  47 //FIXME: correct "run/startlevel"
  48 eAutoInitP0<Misc_Options> init_misc_options(eAutoInitNumbers::rc, "misc options");