diff options
| author | Rakesh Bodla <rbodla@nvidia.com> | 2013-11-25 11:10:32 +0530 |
|---|---|---|
| committer | Harry Hong <hhong@nvidia.com> | 2013-11-27 18:23:44 -0800 |
| commit | 3453f383a1a0b8a5ede420492032a9365fe15f26 (patch) | |
| tree | a26ff24b0933e7b3033a1b233a4dd56c6efb4486 | |
| parent | 277147e3c236349b1226087cc2460626e43fba73 (diff) | |
usb: gadget: Tegra: 100mA charge current for EL_9
It limits the charge current to < 100mA so that EL_9 test
(Test_J, Test_K and TEST_SE0_NAK) can pass the +- 10mV spec.
Bug 1401531
Change-Id: I32b5083dcd04501eee845fee8662fef9959c2513
Signed-off-by: Rakesh Bodla <rbodla@nvidia.com>
Reviewed-on: http://git-master/r/333261
(cherry picked from commit bfd4683b7bd162ed51fbed4925b09b288796c6fa)
Signed-off-by: Yong Goo Yi <yyi@nvidia.com>
Reviewed-on: http://git-master/r/336035
Reviewed-by: Harry Hong <hhong@nvidia.com>
Tested-by: Harry Hong <hhong@nvidia.com>
| -rw-r--r-- | drivers/usb/gadget/tegra_udc.c | 6 | ||||
| -rw-r--r-- | drivers/usb/gadget/tegra_udc.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/tegra_udc.c b/drivers/usb/gadget/tegra_udc.c index 73293936236e..c9799fdf3922 100644 --- a/drivers/usb/gadget/tegra_udc.c +++ b/drivers/usb/gadget/tegra_udc.c @@ -1812,12 +1812,18 @@ static void udc_test_mode(struct tegra_udc *udc, u32 test_mode) switch (test_mode << PORTSCX_PTC_BIT_POS) { case PORTSCX_PTC_JSTATE: + udc->current_limit = USB_CHARGING_TEST_MODE_CURRENT_LIMIT_MA; + schedule_work(&udc->current_work); VDBG("TEST_J\n"); break; case PORTSCX_PTC_KSTATE: + udc->current_limit = USB_CHARGING_TEST_MODE_CURRENT_LIMIT_MA; + schedule_work(&udc->current_work); VDBG("TEST_K\n"); break; case PORTSCX_PTC_SEQNAK: + udc->current_limit = USB_CHARGING_TEST_MODE_CURRENT_LIMIT_MA; + schedule_work(&udc->current_work); VDBG("TEST_SE0_NAK\n"); break; case PORTSCX_PTC_PACKET: diff --git a/drivers/usb/gadget/tegra_udc.h b/drivers/usb/gadget/tegra_udc.h index 79aa040b2174..f87aaf3a3fa5 100644 --- a/drivers/usb/gadget/tegra_udc.h +++ b/drivers/usb/gadget/tegra_udc.h @@ -43,6 +43,7 @@ #define USB_CHARGING_SDP_CURRENT_LIMIT_UA 500000u #define USB_CHARGING_NV_CHARGER_CURRENT_LIMIT_UA 2000000u #define USB_CHARGING_NON_STANDARD_CHARGER_CURRENT_LIMIT_UA 500000u +#define USB_CHARGING_TEST_MODE_CURRENT_LIMIT_MA 100u /* 1 sec wait time for non-std charger detection after vbus is detected */ #define NON_STD_CHARGER_DET_TIME_MS 1000 |