0001-FFC-restored-OLD-part.patch

From 4bec0cfd819192a9927b642e8e099cbf4ce32223 Mon Sep 17 00:00:00 2001
From: Andre Saddler <[email protected]>
Date: Sun, 23 Feb 2014 07:19:12 -0500
Subject: [PATCH] FFC: restore old implement abit

---
 drivers/power/smb349_charger.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 drivers/usb/dwc3/dwc3_otg.c    |  8 ++++++--
 drivers/usb/otg/msm_otg.c      | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 90 insertions(+), 2 deletions(-)

diff --git a/drivers/power/smb349_charger.c b/drivers/power/smb349_charger.c
index c697c5c..6fda7d4 100644
--- a/drivers/power/smb349_charger.c
+++ b/drivers/power/smb349_charger.c
@@ -60,6 +60,10 @@
 
 #define SMB349_MASK(BITS, POS)  ((unsigned char)(((1 << BITS) - 1) << POS))
 
+#ifdef CONFIG_FORCE_FAST_CHARGE
+#include <linux/fastchg.h>
+#endif
+
 /* Register definitions */
 #define CHG_CURRENT_REG                         0x00
 #define CHG_OTHER_CURRENT_REG                   0x01
@@ -3137,6 +3141,9 @@ static int smb349_input_current_limit_set(struct smb349_struct *smb349_chg, int
 {
 	int i;
 	u8 temp;
+#ifdef CONFIG_FORCE_FAST_CHARGE
+	int custom_ma = icl_ma;
+#endif
 
 	if ((icl_ma < SMB349_INPUT_CURRENT_LIMIT_MIN_MA) ||
 		(icl_ma >  SMB349_INPUT_CURRENT_LIMIT_MAX_MA)) {
@@ -3154,7 +3161,42 @@ static int smb349_input_current_limit_set(struct smb349_struct *smb349_chg, int
 		i = 0;
 	}
 
+#ifdef CONFIG_FORCE_FAST_CHARGE
+	if (force_fast_charge == 1) {
+		i = 4;
+		custom_ma = FAST_CHARGE_1200;
+		icl_ma = custom_ma;
+	} else if (force_fast_charge == 2) {
+		switch (fast_charge_level) {
+			case FAST_CHARGE_500:
+				i = 0;
+				custom_ma = FAST_CHARGE_500;
+				break;
+			case FAST_CHARGE_900:
+				i = 1;
+				custom_ma = FAST_CHARGE_900;
+				break;
+			case FAST_CHARGE_1200:
+				i = 4;
+				custom_ma = FAST_CHARGE_1200;
+				break;
+			case FAST_CHARGE_1500:
+				i = 6;
+				custom_ma = FAST_CHARGE_1500;
+				break;
+			case FAST_CHARGE_2000:
+				i = 0xA;
+				custom_ma = FAST_CHARGE_2000;
+				break;
+			default:
+				break;
+		}
+		icl_ma = custom_ma;
+	}
 	temp = icl_ma_table[i].value;
+#else
+	temp = icl_ma_table[i].value;
+#endif
 
 	pr_info("input current limit=%d setting %02x\n", icl_ma, temp);
 	return smb349_masked_write(smb349_chg->client, CHG_CURRENT_REG,
diff --git a/drivers/usb/dwc3/dwc3_otg.c b/drivers/usb/dwc3/dwc3_otg.c
index d7105ab..82f399f 100644
--- a/drivers/usb/dwc3/dwc3_otg.c
+++ b/drivers/usb/dwc3/dwc3_otg.c
@@ -24,6 +24,10 @@
 #include "io.h"
 #include "xhci.h"
 
+#ifdef CONFIG_FORCE_FAST_CHARGE
+#include <linux/fastchg.h>
+#endif
+
 #ifdef CONFIG_LGE_PM
 #include <mach/board_lge.h>
 #include <linux/power_supply.h>
@@ -861,10 +865,10 @@ static void dwc3_otg_sm_work(struct work_struct *w)
 							DWC3_IDEV_CHG_MAX);
 					else
 						dwc3_otg_set_power(phy,
-							IDEV_CHG_MIN);
+							IUNIT);
 #else
 					dwc3_otg_set_power(phy,
-							DWC3_IDEV_CHG_MIN);
+								IUNIT);
 #endif
 #ifdef CONFIG_LGE_PM
 					if (!slimport_is_connected()) {
diff --git a/drivers/usb/otg/msm_otg.c b/drivers/usb/otg/msm_otg.c
index ce00f79..ec4e739 100644
--- a/drivers/usb/otg/msm_otg.c
+++ b/drivers/usb/otg/msm_otg.c
@@ -48,6 +48,10 @@
 #include <mach/msm_bus.h>
 #include <mach/rpm-regulator.h>
 
+#ifdef CONFIG_FORCE_FAST_CHARGE
+#include <linux/fastchg.h>
+#endif
+
 #define MSM_USB_BASE	(motg->regs)
 #define DRIVER_NAME	"msm_otg"
 
@@ -1326,6 +1330,9 @@ psy_error:
 static void msm_otg_notify_charger(struct msm_otg *motg, unsigned mA)
 {
 	struct usb_gadget *g = motg->phy.otg->gadget;
+#ifdef CONFIG_FORCE_FAST_CHARGE
+	int custom_ma = mA;
+#endif
 
 	if (g && g->is_a_peripheral)
 		return;
@@ -1345,6 +1352,41 @@ static void msm_otg_notify_charger(struct msm_otg *motg, unsigned mA)
 	if (motg->cur_power == mA)
 		return;
 
+#ifdef CONFIG_FORCE_FAST_CHARGE
+	if (force_fast_charge == 1) {
+		custom_ma = FAST_CHARGE_1200;
+		pr_info("USB fast charging is ON - 1200mA.\n");
+		mA = custom_ma;
+	} else if (force_fast_charge == 2) {
+		switch (fast_charge_level) {
+			case FAST_CHARGE_500:
+				custom_ma = FAST_CHARGE_500;
+				pr_info("USB fast charging is ON - 500mA.\n");
+				break;
+			case FAST_CHARGE_900:
+				custom_ma = FAST_CHARGE_900;
+				pr_info("USB fast charging is ON - 900mA.\n");
+				break;
+			case FAST_CHARGE_1200:
+				custom_ma = FAST_CHARGE_1200;
+				pr_info("USB fast charging is ON - 1200mA.\n");
+				break;
+			case FAST_CHARGE_1500:
+				custom_ma = FAST_CHARGE_1500;
+				pr_info("USB fast charging is ON - 1500mA.\n");
+				break;
+			case FAST_CHARGE_2000:
+				custom_ma = FAST_CHARGE_2000;
+				pr_info("USB fast charging is ON - 2000mA.\n");
+				break;
+			default:
+				break;
+		}
+		mA = custom_ma;
+	} else {
+		pr_info("USB fast charging is OFF.\n");
+	}
+#endif
 	dev_info(motg->phy.dev, "Avail curr from USB = %u\n", mA);
 
 	/*
-- 
1.9.0