diff options
Diffstat (limited to 'board/plankton')
| -rw-r--r-- | board/plankton/board.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/board/plankton/board.c b/board/plankton/board.c index 40b0c2b2d8..64f23549ec 100644 --- a/board/plankton/board.c +++ b/board/plankton/board.c @@ -41,16 +41,16 @@ static int sn75dp130_dpcd_init(void); * 3. irq : downstream display sink signalling an interrupt. * * The debounce times for these various events are: - * 100MSEC : min pulse width of level value. - * 2MSEC : min pulse width of IRQ low pulse. Max is level debounce min. + * HPD_USTREAM_DEBOUNCE_LVL : min pulse width of level value. + * HPD_USTREAM_DEBOUNCE_IRQ : min pulse width of IRQ low pulse. * * lvl(n-2) lvl(n-1) lvl prev_delta now_delta event * ---------------------------------------------------- - * 1 0 1 <2ms n/a low glitch (ignore) - * 1 0 1 >2ms <100ms irq - * x 0 1 n/a >100ms high - * 0 1 0 <100ms n/a high glitch (ignore) - * x 1 0 n/a >100ms low + * 1 0 1 <IRQ n/a low glitch (ignore) + * 1 0 1 >IRQ <LVL irq + * x 0 1 n/a >LVL high + * 0 1 0 <LVL n/a high glitch (ignore) + * x 1 0 n/a >LVL low */ void hpd_lvl_deferred(void) @@ -84,14 +84,14 @@ void hpd_event(enum gpio_signal signal) uint64_t cur_delta = now.val - hpd_prev_ts; /* Record low pulse */ - if (cur_delta >= HPD_DEBOUNCE_IRQ && level) + if (cur_delta >= HPD_USTREAM_DEBOUNCE_IRQ && level) hpd_possible_irq = 1; /* store current time */ hpd_prev_ts = now.val; /* All previous hpd level events need to be re-triggered */ - hook_call_deferred(hpd_lvl_deferred, HPD_DEBOUNCE_LVL); + hook_call_deferred(hpd_lvl_deferred, HPD_USTREAM_DEBOUNCE_LVL); } /* Debounce time for voltage buttons */ |