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usb: msm_otg: support for slimport charger

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msm_otg codes will be used for slimport charger detection.

Change-Id: Ie2179a546366ef24fdd8f738034dae2f00501f28
This commit is contained in:
jh.koo 2012-09-04 20:13:19 +09:00 committed by Iliyan Malchev
parent 6ff2586036
commit 222b2e47ee
1 changed files with 17 additions and 3 deletions
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20
drivers/usb/otg/msm_otg.c
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@ -41,6 +41,7 @@
#include <linux/mfd/pm8xxx/misc.h>
#include <linux/power_supply.h>
#include <linux/mhl_8334.h>
#include <linux/slimport.h>
#include <asm/mach-types.h>
@ -2066,6 +2067,13 @@ static void msm_chg_detect_work(struct work_struct *w)
delay = MSM_CHG_DCD_POLL_TIME;
break;
case USB_CHG_STATE_WAIT_FOR_DCD:
if (slimport_is_connected()) {
msm_chg_block_off(motg);
motg->chg_state = USB_CHG_STATE_DETECTED;
motg->chg_type = USB_SDP_CHARGER;
queue_work(system_nrt_wq, &motg->sm_work);
return;
}
if (msm_chg_mhl_detect(motg)) {
msm_chg_block_off(motg);
motg->chg_state = USB_CHG_STATE_DETECTED;
@ -2273,6 +2281,10 @@ static void msm_otg_sm_work(struct work_struct *w)
} else if ((!test_bit(ID, &motg->inputs) ||
test_bit(ID_A, &motg->inputs)) && otg->host) {
pr_debug("!id || id_A\n");
if (slimport_is_connected()) {
work = 1;
break;
}
if (msm_chg_mhl_detect(motg)) {
work = 1;
break;
@ -2324,9 +2336,11 @@ static void msm_otg_sm_work(struct work_struct *w)
case USB_SDP_CHARGER:
msm_otg_notify_charger(motg,
IDEV_CHG_MIN);
msm_otg_start_peripheral(otg, 1);
otg->phy->state =
OTG_STATE_B_PERIPHERAL;
if(!slimport_is_connected()) {
msm_otg_start_peripheral(otg, 1);
otg->phy->state =
OTG_STATE_B_PERIPHERAL;
}
schedule_delayed_work(&motg->check_ta_work,
MSM_CHECK_TA_DELAY);
break;