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authorrajaram <rajaram.ragupathy@stericsson.com>2011-10-28 11:46:46 +0530
committerRabin VINCENT <rabin.vincent@stericsson.com>2011-10-28 08:22:54 +0200
commit8f62dad11b54cbbaba8d9e88411713a5d3fdee58 (patch)
tree80f3402e36be20511d17398df359eb9610fc8f11 /drivers/usb
parent44339f688810651ad64b30ac54d42aa34a0c495b (diff)
u8500 : USB :New notification events for BatMan
Added notification events for ACA cases so that battery manager can distinguish between Standard Host and ACA charger. ST-Ericsson Linux next: NA ST-Ericsson ID: 362951 ST-Ericsson FOSS-OUT ID: Trivial Signed-off-by: rajaram <rajaram.ragupathy@stericsson.com> Signed-off-by: Sakethram Bommisetti <sakethram.bommisetti@stericsson.com> Change-Id: I02a19bced97b408990d8effb785418bf182ac27b Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/34862 Tested-by: Rajaram REGUPATHY <ragupathy.rajaram@stericsson.com> Reviewed-by: Praveena NADAHALLY <praveen.nadahally@stericsson.com> Reviewed-by: Rabin VINCENT <rabin.vincent@stericsson.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/musb/ux500.c1
-rw-r--r--drivers/usb/otg/ab8500-usb.c23
2 files changed, 15 insertions, 9 deletions
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index d0bfd2ffdc9..bae06ec7d67 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -225,6 +225,7 @@ static int musb_otg_notifications(struct notifier_block *nb,
switch (event) {
case USB_EVENT_ID:
+ case USB_EVENT_RIDA:
dev_dbg(musb->controller, "ID GND\n");
if (is_otg_enabled(musb)) {
ux500_musb_set_vbus(musb, 1);
diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/otg/ab8500-usb.c
index 34aef32e104..19446ba114d 100644
--- a/drivers/usb/otg/ab8500-usb.c
+++ b/drivers/usb/otg/ab8500-usb.c
@@ -317,10 +317,11 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
lsts = (reg >> 3) & 0x0F;
switch (lsts) {
+ case USB_LINK_ACA_RID_B:
+ event = USB_EVENT_RIDB;
case USB_LINK_NOT_CONFIGURED:
case USB_LINK_RESERVED:
case USB_LINK_NOT_VALID_LINK:
- case USB_LINK_ACA_RID_B:
if (ab->mode == USB_HOST)
ab8500_usb_host_phy_dis(ab);
else if (ab->mode == USB_PERIPHERAL)
@@ -328,18 +329,19 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
ab->mode = USB_IDLE;
ab->otg.default_a = false;
ab->vbus_draw = 0;
- event = USB_EVENT_NONE;
+ if (event != USB_EVENT_RIDB)
+ event = USB_EVENT_NONE;
break;
-
+ case USB_LINK_ACA_RID_C_NM:
+ case USB_LINK_ACA_RID_C_HS:
+ case USB_LINK_ACA_RID_C_HS_CHIRP:
+ event = USB_EVENT_RIDC;
case USB_LINK_STD_HOST_NC:
case USB_LINK_STD_HOST_C_NS:
case USB_LINK_STD_HOST_C_S:
case USB_LINK_HOST_CHG_NM:
case USB_LINK_HOST_CHG_HS:
case USB_LINK_HOST_CHG_HS_CHIRP:
- case USB_LINK_ACA_RID_C_NM:
- case USB_LINK_ACA_RID_C_HS:
- case USB_LINK_ACA_RID_C_HS_CHIRP:
if (ab->mode == USB_HOST) {
ab->mode = USB_PERIPHERAL;
ab8500_usb_host_phy_dis(ab);
@@ -351,11 +353,13 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
ux500_restore_context();
ab8500_usb_peri_phy_en(ab);
}
- event = USB_EVENT_VBUS;
+ if (event != USB_EVENT_RIDC)
+ event = USB_EVENT_VBUS;
break;
- case USB_LINK_HM_IDGND:
case USB_LINK_ACA_RID_A:
+ event = USB_EVENT_RIDA;
+ case USB_LINK_HM_IDGND:
if (ab->mode == USB_PERIPHERAL) {
ab->mode = USB_HOST;
ab8500_usb_peri_phy_dis(ab);
@@ -368,7 +372,8 @@ static int ab8500_usb_link_status_update(struct ab8500_usb *ab)
ab8500_usb_host_phy_en(ab);
}
ab->otg.default_a = true;
- event = USB_EVENT_ID;
+ if (event != USB_EVENT_RIDA)
+ event = USB_EVENT_ID;
break;
case USB_LINK_DEDICATED_CHG: