diff options
| author | Dmitry Torokhov <dtor@insightbb.com> | 2007-03-18 17:41:28 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-03-23 12:49:26 -0700 |
| commit | c04a52befd3ae4bdb755fd1e4538d20a6711fd5b (patch) | |
| tree | dec306cb4893fbe1e9f38366d860704236f3b3d6 | |
| parent | 6c3f05964e7b82a9965fd4934ba470cf533172ed (diff) | |
Input: i8042 - really suppress ACK/NAK during panic blink
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.
Cc: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/input/serio/i8042.c | 7 |
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; |