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Feb 1st, 2012
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  1. omap_cfg_reg(AE2_34XX_GPIO130_OUT);
  2.  
  3. if (gpio_request(130, "AE2_34XX_GPIO130_OUT") == 0)
  4. {
  5. if(gpio_direction_output(130, 1)==0)
  6. {
  7. printk(KERN_INFO "IO_EXPANDER: WORKs!\n");
  8.  
  9. gpio_set_value(130, 1);
  10.  
  11. for(itime=0;itime<1000000;itime++)
  12. {
  13. for(atime=0;atime<1000000;atime++)
  14. might_sleep();
  15. }
  16.  
  17. gpio_set_value(130, 0);
  18.  
  19. for(itime=0;itime<1000000;itime++)
  20. {
  21. for(atime=0;atime<1000000;atime++)
  22. might_sleep();
  23. }
  24. gpio_set_value(130, 1);
  25.  
  26. for(itime=0;itime<1000000;itime++)
  27. {
  28. for(atime=0;atime<1000000;atime++)
  29. might_sleep();
  30. }
  31.  
  32. gpio_set_value(130, 1);
  33. }
  34. else
  35. printk(KERN_INFO "IO_EXPANDER: Not WORKs!\n");
  36. }
  37. else
  38. printk(KERN_INFO "IO_EXPANDER: Not WORKs!\n");
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