From 1e4865f8d469b1795e77877410951e5b808a2c4e Mon Sep 17 00:00:00 2001 From: Dmitry Torokhov Date: Sat, 10 Feb 2007 01:29:53 -0500 Subject: Input: i8042 - fix AUX IRQ delivery check On boxes that do not implement AUX LOOP command we can not verify AUX IRQ delivery and must assume that it is wired properly. Signed-off-by: Dmitry Torokhov --- drivers/input/serio/i8042.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/input/serio/i8042.c') diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 1364c7964db4..c3fdfc1f342a 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -543,6 +543,7 @@ static int __devinit i8042_check_aux(void) { int retval = -1; int irq_registered = 0; + int aux_loop_broken = 0; unsigned long flags; unsigned char param; @@ -572,6 +573,8 @@ static int __devinit i8042_check_aux(void) if (i8042_command(¶m, I8042_CMD_AUX_TEST) || (param && param != 0xfa && param != 0xff)) return -1; + + aux_loop_broken = 1; } /* @@ -595,7 +598,7 @@ static int __devinit i8042_check_aux(void) * used it for a PCI card or somethig else. */ - if (i8042_noloop) { + if (i8042_noloop || aux_loop_broken) { /* * Without LOOP command we can't test AUX IRQ delivery. Assume the port * is working and hope we are right. -- cgit v1.2.3