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authorVijay Hiremath <vijay.p.hiremath@intel.com>2017-01-18 11:08:21 -0800
committerchrome-bot <chrome-bot@chromium.org>2017-01-18 19:18:31 -0800
commit5909f4ee26a21de6a8683c81f24ac01daae5326a (patch)
tree491ca6e1a649dda6675cbf551e17185b18074996 /common/charge_ramp.c
parentf7720d580d007b3f3204fac97e39058c0c635687 (diff)
downloadchrome-ec-5909f4ee26a21de6a8683c81f24ac01daae5326a.tar.gz
Revert "charge_ramp: Adjust minimum ramp current"
From the USBC spec 1.2 "Table 4-14 Precedence of power source usage" USB Type-C 3.0 A & 1.5 A takes precedence over BC1.2. Hence reverting this patch. This reverts commit 6a7e4a7b353c53d33d44662c71763490ffd1fdc4. BUG=chrome-os-partner:61420 BRANCH=none TEST=make buildall -j Change-Id: I2ed3f767973ff9c47fa7d2a2cca1aca15d13aa65 Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com> Reviewed-on: https://chromium-review.googlesource.com/430152 Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com> Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Benson Leung <bleung@chromium.org>
Diffstat (limited to 'common/charge_ramp.c')
-rw-r--r--common/charge_ramp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/common/charge_ramp.c b/common/charge_ramp.c
index c84e126140..f6942d7516 100644
--- a/common/charge_ramp.c
+++ b/common/charge_ramp.c
@@ -29,6 +29,7 @@
/* Current ramp increment */
#define RAMP_CURR_INCR_MA 64
#define RAMP_CURR_DELAY (500*MSEC)
+#define RAMP_CURR_START_MA 500
/* How much to backoff the input current limit when limit has been found */
#define RAMP_ICL_BACKOFF (2*RAMP_CURR_INCR_MA)
@@ -101,8 +102,7 @@ void chg_ramp_charge_supplier_change(int port, int supplier, int current,
/* Set min and max input current limit based on if ramp is allowed */
if (board_is_ramp_allowed(active_sup)) {
- min_icl = charge_manager_get_ramp_start_current(active_port,
- active_sup);
+ min_icl = RAMP_CURR_START_MA;
max_icl = board_get_ramp_current_limit(active_sup, current);
} else {
min_icl = max_icl = current;