diff options
| author | Bill Richardson <wfrichar@chromium.org> | 2014-11-26 12:40:05 -0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-12-11 04:23:33 +0000 |
| commit | 401498bb6a1c38771720c84cc1d58f2f5dbf7ac0 (patch) | |
| tree | 068ac939a9d941cf25b0a3094308a9917af201fa /common/lightbar.c | |
| parent | 1b1c3089afada7b53e7836ce2b98c157f36a44a8 (diff) | |
| download | chrome-ec-401498bb6a1c38771720c84cc1d58f2f5dbf7ac0.tar.gz | |
lightbar: ask the PD MCU for the charge direction
This exposes the pd_exchange_status() function and lets it
return the charge port that the PD reports, so that the lightbar
TAP sequence can decide which direction to display.
BUG=chrome-os-partner:32227
BRANCH=ToT, samus
TEST=make buildall -j
Change-Id: I78b57fbeaaf38fee15c86eca4d90abce77e2f722
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/232092
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Diffstat (limited to 'common/lightbar.c')
| -rw-r--r-- | common/lightbar.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/common/lightbar.c b/common/lightbar.c index ab4df550d3..bc43a6080e 100644 --- a/common/lightbar.c +++ b/common/lightbar.c @@ -900,15 +900,25 @@ static uint32_t sequence_TAP_inner(int dir) return 0; } -/* TODO(chrome-os-partner:32227): Remove this when it works for real. */ -static int force_dir; +/* Override the tap direction for testing. -1 means ask the PD MCU. */ +static int force_dir = -1; /* Return 0 (left or none) or 1 (right) */ static int get_tap_direction(void) { - /* TODO(chrome-os-partner:32227): Decide which direction to go */ - CPRINTS("LB tap direction %d", force_dir); - return force_dir; + int dir = 0; + + if (force_dir >= 0) + dir = force_dir; +#ifdef HAS_TASK_PDCMD + else + pd_exchange_status(&dir); +#endif + if (dir != 1) + dir = 0; + + CPRINTS("LB tap direction %d", dir); + return dir; } static uint32_t sequence_TAP(void) |