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Subject[PATCH 24/44] Workaround i8042 chips with broken MUX mode
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You can pull this changeset from:
bk://kernel.bkbits.net/vojtech/input

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

ChangeSet@1.1608.56.2, 2004-03-03 11:49:20+01:00, vojtech@suse.cz
input: Workaround i8042 chips with broken MUX mode.


i8042.c | 5 +++++
1 files changed, 5 insertions(+)

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

diff -Nru a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
--- a/drivers/input/serio/i8042.c Tue Mar 16 13:18:37 2004
+++ b/drivers/input/serio/i8042.c Tue Mar 16 13:18:37 2004
@@ -530,6 +530,11 @@

if (i8042_enable_mux_mode(values, &mux_version))
return -1;
+
+ /* Workaround for broken chips which seem to support MUX, but in reality don't. */
+ /* They all report version 12.10 */
+ if (mux_version == 0xCA)
+ return -1;

printk(KERN_INFO "i8042.c: Detected active multiplexing controller, rev %d.%d.\n",
(mux_version >> 4) & 0xf, mux_version & 0xf);
-
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