diff options
Diffstat (limited to 'drivers/input/serio/i8042.c')
| -rw-r--r-- | drivers/input/serio/i8042.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index debe9445488..c3fdfc1f342 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; } @@ -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. @@ -838,13 +841,14 @@ 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; |