[patch 1/2] Fix shift-pgup problems in i8042.c

From: Vojtech Pavlik (vojtech@suse.cz)
Date: Wed Aug 21 2002 - 12:10:34 EST

Hi!

You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
'bk pull bk://linux-input.bkbits.net/linux-input' should work as well.

===================================================================

ChangeSet@1.510, 2002-08-21 19:00:13+02:00, vojtech@suse.cz
  Fix i8042.c to ignore fake key releases generated by AT keyboard
  in translated set 2. This fixes a problem where shift-pgup, with
  the pgup released first generated an unknown scancode warning and
  the shift remained stuck.

 i8042.c | 4 ++++
 1 files changed, 4 insertions(+)

===================================================================

diff -Nru a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
--- a/drivers/input/serio/i8042.c Wed Aug 21 19:00:39 2002
+++ b/drivers/input/serio/i8042.c Wed Aug 21 19:00:39 2002
@@ -54,6 +54,7 @@
 static struct serio i8042_aux_port;
 static unsigned char i8042_initial_ctr;
 static unsigned char i8042_ctr;
+static unsigned char i8042_last_e0;
 struct timer_list i8042_timer;
 
 #ifdef I8042_DEBUG_IO
@@ -366,12 +367,15 @@
                                         if (data > 0x7f) {
                                                 if (test_and_clear_bit(data & 0x7f, i8042_unxlate_seen)) {
                                                         serio_interrupt(&i8042_kbd_port, 0xf0, dfl);
+ if (i8042_last_e0 && (data == 0xaa || data == 0xb6))
+ set_bit(data & 0x7f, i8042_unxlate_seen);
                                                         data = i8042_unxlate_table[data & 0x7f];
                                                 }
                                         } else {
                                                 set_bit(data, i8042_unxlate_seen);
                                                 data = i8042_unxlate_table[data];
                                         }
+ i8042_last_e0 = (data == 0xe0);
                                 }
                                 serio_interrupt(&i8042_kbd_port, data, dfl);
                         }

===================================================================

This BitKeeper patch contains the following changesets:
+
## Wrapped with gzip_uu ##

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`
end 

-- 
Vojtech Pavlik
SuSE Labs
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