ARM: tuna: pogo: Enable fast charging for pogo

When in the pogo dock send the charger event through the OTG
notifier.

Change-Id: I0539d8f15321bdbfc9bc86124242aed4ac4f5e0b
Signed-off-by: Adam Hampson <ahampson@sta.samsung.com>

4 files changed, 25 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/board-tuna-connector.c b/arch/arm/mach-omap2/board-tuna-connector.c
index 46b6153..4d702c6 100644
--- a/arch/arm/mach-omap2/board-tuna-connector.c
+++ b/arch/arm/mach-omap2/board-tuna-connector.c
@@ -715,6 +715,18 @@ static void sii9234_vbus_present(bool on)
 				tuna_otg->otg.gadget);
 }
 
+void tuna_otg_pogo_charger(bool on)
+{
+	struct tuna_otg *tuna_otg = &tuna_otg_xceiv;
+
+	tuna_otg->otg.state = OTG_STATE_B_IDLE;
+	tuna_otg->otg.default_a = false;
+	tuna_otg->otg.last_event = on ? USB_EVENT_CHARGER : USB_EVENT_NONE;
+	atomic_notifier_call_chain(&tuna_otg->otg.notifier,
+				on ? USB_EVENT_CHARGER : USB_EVENT_NONE,
+				tuna_otg->otg.gadget);
+}
+
 static struct sii9234_platform_data sii9234_pdata = {
 	.prio = TUNA_OTG_ID_SII9234_PRIO,
 	.enable = tuna_mux_usb_to_mhl,
diff --git a/arch/arm/mach-omap2/board-tuna-pogo.c b/arch/arm/mach-omap2/board-tuna-pogo.c
index 54ea22f..04663be 100644
--- a/arch/arm/mach-omap2/board-tuna-pogo.c
+++ b/arch/arm/mach-omap2/board-tuna-pogo.c
@@ -26,6 +26,7 @@
 #include <linux/irq.h>
 #include <linux/sched.h>
 #include <linux/completion.h>
+#include <linux/usb/otg.h>
 
 #include <asm/div64.h>
 
@@ -137,6 +138,9 @@ static irqreturn_t pogo_det_irq_thread(int irq, void *data)
 				pr_info("POGO Car Dock Detected, ID period"
 						" %dms\n",
 						id_period);
+
+				tuna_otg_pogo_charger(true);
+
 				pogo->dock_type = POGO_DOCK_CAR;
 				switch_set_state(&pogo->dock_switch,
 						POGO_DOCK_CAR);
@@ -148,6 +152,9 @@ static irqreturn_t pogo_det_irq_thread(int irq, void *data)
 				pr_info("POGO Desk Dock Detected, ID period"
 						" %dms\n",
 						id_period);
+
+				tuna_otg_pogo_charger(true);
+
 				pogo->dock_type = POGO_DOCK_DESK;
 				switch_set_state(&pogo->dock_switch,
 						POGO_DOCK_DESK);
@@ -180,6 +187,9 @@ static irqreturn_t pogo_det_irq_thread(int irq, void *data)
 		if (pogo->dock_type != POGO_DOCK_UNDOCKED) {
 			pogo->dock_type = POGO_DOCK_UNDOCKED;
 			pr_info("POGO Dock Detached\n");
+
+			tuna_otg_pogo_charger(false);
+
 			switch_set_state(&pogo->dock_switch,
 					POGO_DOCK_UNDOCKED);
 			switch_set_state(&pogo->audio_switch,
diff --git a/arch/arm/mach-omap2/board-tuna.c b/arch/arm/mach-omap2/board-tuna.c
index a27d0c7..19941f6 100644
--- a/arch/arm/mach-omap2/board-tuna.c
+++ b/arch/arm/mach-omap2/board-tuna.c
@@ -1305,8 +1305,8 @@ static void __init tuna_init(void)
 	omap4_tuna_jack_init();
 	omap4_tuna_sensors_init();
 	omap4_tuna_led_init();
-	omap4_tuna_pogo_init();
 	omap4_tuna_connector_init();
+	omap4_tuna_pogo_init();
 #ifdef CONFIG_OMAP_HSI_DEVICE
 	if (TUNA_TYPE_MAGURO == omap4_tuna_get_type())
 		omap_hsi_init();
diff --git a/arch/arm/mach-omap2/board-tuna.h b/arch/arm/mach-omap2/board-tuna.h
index 5f2ec1c..b0b3b73 100644
--- a/arch/arm/mach-omap2/board-tuna.h
+++ b/arch/arm/mach-omap2/board-tuna.h
@@ -41,6 +41,8 @@ void omap4_tuna_emif_init(void);
 void omap4_ehci_init(void);
 void modem_toro_init(void);
 
+void tuna_otg_pogo_charger(bool on);
+
 extern struct mmc_platform_data tuna_wifi_data;
 extern struct class *sec_class;