Some of ELAN’s production need to issue set_idle when resume.
Signed-off-by: Scott Liu <scott.liu@xxxxxxxxxx>
---
drivers/hid/hid-ids.h | 3 +++
drivers/hid/hid-multitouch.c | 26 ++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 41c34f2..703aaed 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -829,4 +829,7 @@
#define USB_VENDOR_ID_PRIMAX 0x0461
#define USB_DEVICE_ID_PRIMAX_KEYBOARD 0x4e05
+#define USB_VENDOR_ID_ELAN 0x04f3
+#define USB_DEVICE_ID_ELAN_MOCCA 0x000a
+
#endif
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 59c8b5c..a086a16 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -767,6 +767,31 @@ static int mt_reset_resume(struct hid_device *hdev)
mt_set_input_mode(hdev);
return 0;
}
+
+static int mt_resume(struct hid_device *hdev)
+{
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+ struct usb_host_interface *interface = intf->cur_altsetting;
+
+ struct usb_device *dev = hid_to_usb_dev(hdev);
+
+ if (hdev->vendor == USB_VENDOR_ID_ELAN &&
+ hdev->product == USB_DEVICE_ID_ELAN_MOCCA) {
+
+ usb_control_msg(dev,
+ usb_sndctrlpipe(dev, 0),
+ HID_REQ_SET_IDLE,
+ USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+ 0,
+ interface->desc.bInterfaceNumber,
+ NULL,
+ 0,
+ USB_CTRL_SET_TIMEOUT);
+ }
+
+ return 0;
+}
+
#endif
static void mt_remove(struct hid_device *hdev)
@@ -1092,6 +1117,7 @@ static struct hid_driver mt_driver = {
.event = mt_event,
#ifdef CONFIG_PM
.reset_resume = mt_reset_resume,
+ .resume=mt_resume,
#endif
};
--
1.7.9.5
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