diff mbox series

[v2,2/4] usb: dwc3: omap: don't miss events during suspend/resume

Message ID 1487250377-13653-3-git-send-email-rogerq@ti.com
State Superseded
Headers show
Series usb: dwc3: dual-role support | expand

Commit Message

Roger Quadros Feb. 16, 2017, 1:06 p.m. UTC 
The USB cable state can change during suspend/resume
so be sure to check and update the extcon state.

Signed-off-by: Roger Quadros <rogerq@ti.com>

---
 drivers/usb/dwc3/dwc3-omap.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

-- 
2.7.4
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index fe4efb8..a7de60e 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -598,9 +598,25 @@  static int dwc3_omap_resume(struct device *dev)
 	return 0;
 }
 
+static void dwc3_omap_complete(struct device *dev)
+{
+	struct dwc3_omap	*omap = dev_get_drvdata(dev);
+
+	if (extcon_get_state(omap->edev, EXTCON_USB))
+		dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID);
+	else
+		dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_OFF);
+
+	if (extcon_get_state(omap->edev, EXTCON_USB_HOST))
+		dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND);
+	else
+		dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_FLOAT);
+}
+
 static const struct dev_pm_ops dwc3_omap_dev_pm_ops = {
 
 	SET_SYSTEM_SLEEP_PM_OPS(dwc3_omap_suspend, dwc3_omap_resume)
+	.complete = dwc3_omap_complete,
 };
 
 #define DEV_PM_OPS	(&dwc3_omap_dev_pm_ops)