linux-kernel - [PATCH 4/4] input: tablet: pegasus_notetaker: Set device mode in reset

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Date:	Mon, 18 Jul 2016 16:29:09 +0200
From:	Martin Kepplinger <martink@...teo.de>
To:	dmitry.torokhov@...il.com
Cc:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	Martin Kepplinger <martink@...teo.de>
Subject: [PATCH 4/4] input: tablet: pegasus_notetaker: Set device mode in reset_resume() if in use

Signed-off-by: Martin Kepplinger <martink@...teo.de>
---
 drivers/input/tablet/pegasus_notetaker.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/input/tablet/pegasus_notetaker.c b/drivers/input/tablet/pegasus_notetaker.c
index 07436c6..b172247 100644
--- a/drivers/input/tablet/pegasus_notetaker.c
+++ b/drivers/input/tablet/pegasus_notetaker.c
@@ -398,7 +398,19 @@ static int pegasus_resume(struct usb_interface *intf)
 
 static int pegasus_reset_resume(struct usb_interface *intf)
 {
-	return pegasus_resume(intf);
+	struct pegasus *pegasus = usb_get_intfdata(intf);
+	int retval = 0;
+
+	mutex_lock(&pegasus->dev->mutex);
+	if (pegasus->dev->users) {
+		retval = pegasus_set_mode(pegasus, PEN_MODE_XY,
+					  NOTETAKER_LED_MOUSE);
+		if (!retval && usb_submit_urb(pegasus->irq, GFP_NOIO) < 0)
+			retval = -EIO;
+	}
+	mutex_unlock(&pegasus->dev->mutex);
+
+	return retval;
 }
 
 static const struct usb_device_id pegasus_ids[] = {
-- 
2.1.4