diff options
| author | Shawn Nematbakhsh <shawnn@chromium.org> | 2014-12-18 18:39:46 -0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-12-19 09:17:34 +0000 |
| commit | 91131f7387a4b58997d481107dcf43dd5ce4d8d2 (patch) | |
| tree | cf77b1cd601c58cf75fb79a47ea9196cda323100 /driver | |
| parent | 165cf6c8813420e1ce525e103b42f19017228ec6 (diff) | |
| download | chrome-ec-91131f7387a4b58997d481107dcf43dd5ce4d8d2.tar.gz | |
pi3usb9281: Limit DCP port to 500mA charge current
According to specification, a DCP port is only required to provide 500mA
@ 4.75V, though actual supply limit can vary upward significantly. Set
the current limit on DCP ports to 500mA to reflect this reality.
BUG=chrome-os-partner:32003
TEST=None
BRANCH=Samus
Change-Id: I46e25b44baaa41ddf173880e52d7485d952ebf23
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/236772
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/usb_switch_pi3usb9281.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/driver/usb_switch_pi3usb9281.c b/driver/usb_switch_pi3usb9281.c index 329c476708..215ee124a5 100644 --- a/driver/usb_switch_pi3usb9281.c +++ b/driver/usb_switch_pi3usb9281.c @@ -136,7 +136,7 @@ int pi3usb9281_get_ilim(int device_type, int charger_status) else if (device_type & PI3USB9281_TYPE_CDP) current_limit_ma = 1500; else if (device_type & PI3USB9281_TYPE_DCP) - current_limit_ma = 1500; + current_limit_ma = 500; return current_limit_ma; } |