[patch v2 1/1] HID:hid-multitouch: Add ELAN prouction request when resume
From: Scott Liu <hidden>
Date: 2012-08-09 09:21:42
Also in:
lkml
Subsystem:
hid core layer, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds
Some of ELAN's production need to with set_idle commmand when reusme. Signed-off-by: Scott Liu <redacted> --- drivers/hid/hid-ids.h | 3 +++ drivers/hid/hid-multitouch.c | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 41c34f2..a4d810c 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..b06b7d3 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c@@ -767,6 +767,25 @@ static int mt_reset_resume(struct hid_device *hdev) mt_set_input_mode(hdev); return 0; } + +static int mt_resume(struct hid_device *hdev) +{ + if (hdev->vendor == USB_VENDOR_ID_ELAN && + hdev->product == USB_DEVICE_ID_ELAN_MOCCA) { + + 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); + + 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 +1111,7 @@ 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