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Disable keyboard and mouse before checking the i8042 controller.

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Flush queue before enabling them

svn path=/trunk/; revision=24368
This commit is contained in:
Hervé Poussineau 2006-10-02 21:14:40 +00:00
parent 3674f2ef32
commit c99914fdac
1 changed files with 6 additions and 9 deletions
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15
reactos/drivers/input/i8042prt/pnp.c
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@ -80,6 +80,10 @@ i8042BasicDetect(
NTSTATUS Status;
UCHAR Value = 0;
/* Don't enable keyboard and mouse interrupts, disable keyboard/mouse */
if (!i8042ChangeMode(DeviceExtension, CCB_KBD_INT_ENAB | CCB_MOUSE_INT_ENAB, CCB_KBD_DISAB | CCB_MOUSE_DISAB))
return STATUS_IO_DEVICE_ERROR;
i8042Flush(DeviceExtension);
if (!i8042Write(DeviceExtension, DeviceExtension->ControlPort, CTRL_SELF_TEST))
@ -101,10 +105,6 @@ i8042BasicDetect(
return STATUS_IO_DEVICE_ERROR;
}
/* Don't enable keyboard and mouse interrupts, disable keyboard/mouse */
if (!i8042ChangeMode(DeviceExtension, CCB_KBD_INT_ENAB | CCB_MOUSE_INT_ENAB, CCB_KBD_DISAB | CCB_MOUSE_DISAB))
return STATUS_IO_DEVICE_ERROR;
/*
* We used to send a KBD_LINE_TEST (0xAB) command here, but on at least HP
* Pavilion notebooks the response to that command was incorrect.
@ -132,11 +132,6 @@ i8042DetectKeyboard(
{
NTSTATUS Status;
if (!i8042ChangeMode(DeviceExtension, 0, CCB_KBD_DISAB))
return FALSE;
i8042Flush(DeviceExtension);
/* Set LEDs (that is not fatal if some error occurs) */
Status = i8042SynchWritePort(DeviceExtension, 0, KBD_CMD_SET_LEDS, TRUE);
if (NT_SUCCESS(Status))
@ -333,6 +328,8 @@ EnableInterrupts(
UCHAR FlagsToDisable = 0;
UCHAR FlagsToEnable = 0;
i8042Flush(DeviceExtension);
/* Select the devices we have */
if (DeviceExtension->Flags & KEYBOARD_PRESENT)
{