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Viewing changes to arch/x86/kernel/acpi/realmode/wakemain.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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arch/x86/kernel/acpi/realmode/wakemain.c
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        }
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}
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#define I8042_STATUS_REG        0x64
 
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#define I8042_DATA_REG          0x60
 
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#define I8042_SET_LED_BITS      0xed
 
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#define I8042_STR_IBF           0x02
 
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static void flash_keyboard_leds(void)
 
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{
 
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        int i;
 
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        unsigned char leds = 7;
 
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        /* Flash keyboard LEDs 3 times */
 
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        for (i = 0; i < 6; i++) {
 
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                while (inb(I8042_STATUS_REG) & I8042_STR_IBF)
 
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                        ;
 
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                outb(I8042_SET_LED_BITS, I8042_DATA_REG);
 
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                while (inb(I8042_STATUS_REG) & I8042_STR_IBF)
 
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                        ;
 
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                outb(leds, I8042_DATA_REG);
 
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                leds ^= 7;
 
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                udelay(500000);
 
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        }
 
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}
 
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void main(void)
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{
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        /* Kill machine if structures are wrong */
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                probe_cards(0);
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                set_mode(wakeup_header.video_mode);
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        }
 
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        if (wakeup_header.realmode_flags & 8)
 
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                flash_keyboard_leds();
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}