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OTG+charge hack: restore peripherals on power loss (partly working) 

Signed-off-by: flar2 <asegaert@gmail.com>
This commit is contained in:
flar2 2013-12-21 21:38:04 -05:00 committed by followmsi
parent 946a242972
commit 23d7013ae4
1 changed files with 7 additions and 3 deletions
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10
drivers/usb/otg/msm_otg.c
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@ -10,7 +10,7 @@
* GNU General Public License for more details.
*
*/
#define DEBUG
#include <linux/module.h>
#include <linux/device.h>
#include <linux/platform_device.h>
@ -3165,6 +3165,11 @@ static void msm_otg_set_vbus_state(int online)
pr_debug("PMIC: BSV set\n");
//printk("connected charger\n");
set_bit(B_SESS_VLD, &motg->inputs);
if (otg->phy->state >= OTG_STATE_A_IDLE && usbhost_charge_mode) {
printk("[usbhost_charge_mode]: already in host mode, restart chg_work");
msm_chg_detect_work(&motg->chg_work.work);
}
} else {
pr_debug("PMIC: BSV clear\n");
//printk("disconnected charger\n");
@ -3178,7 +3183,6 @@ static void msm_otg_set_vbus_state(int online)
motg->chg_type = USB_INVALID_CHARGER;
asus_chg_set_chg_mode(USB_INVALID_CHARGER);
msm_otg_notify_charger(motg, 0);
msm_otg_reset(otg->phy);
}
}
@ -3227,7 +3231,7 @@ static void id_pin_irq_work_function(struct work_struct *work)
if (gpio == 0 && otg_host_on == 0) {
//otg+charge: this needs a slight delay or else it doesn't start charging
if (usbhost_charge_mode)
msleep(20);
msleep(40);
pr_info("%s: APQ_OTG_ID_PIN is low : Host mode\n", __func__);
set_bit(A_BUS_REQ, &motg->inputs);
clear_bit(ID, &motg->inputs);