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authorDmitry Torokhov <dtor@insightbb.com>2007-01-18 00:42:31 -0500
committerDmitry Torokhov <dtor@insightbb.com>2007-01-18 00:42:31 -0500
commit19f3c3e37314a234998fd75f5ea9388dfb6ab00a (patch)
tree23d7dd40fe5e6852f40e0430dbf91371f4760201 /drivers/input
parent65a2d2258e0f29371606aa0f7f4258e618ecebe8 (diff)
downloadlinux-19f3c3e37314a234998fd75f5ea9388dfb6ab00a.tar.bz2
Input: i8042 - really suppress ACK/NAK during panic blink
On some boxes panic blink procedure manages to send both bytes to keyboard contoller before getting first ACK so we need to make i8042_suppress_kbd_ack a counter instead of boolean. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/serio/i8042.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index debe9445488c..1364c7964db4 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -371,7 +371,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
if (unlikely(i8042_suppress_kbd_ack))
if (port_no == I8042_KBD_PORT_NO &&
(data == 0xfa || data == 0xfe)) {
- i8042_suppress_kbd_ack = 0;
+ i8042_suppress_kbd_ack--;
goto out;
}
@@ -838,13 +838,14 @@ static long i8042_panic_blink(long count)
led ^= 0x01 | 0x04;
while (i8042_read_status() & I8042_STR_IBF)
DELAY;
- i8042_suppress_kbd_ack = 1;
+ dbg("%02x -> i8042 (panic blink)", 0xed);
+ i8042_suppress_kbd_ack = 2;
i8042_write_data(0xed); /* set leds */
DELAY;
while (i8042_read_status() & I8042_STR_IBF)
DELAY;
DELAY;
- i8042_suppress_kbd_ack = 1;
+ dbg("%02x -> i8042 (panic blink)", led);
i8042_write_data(led);
DELAY;
last_blink = count;