linux-kernel - [PATCH] input: touchscreen: ti_am335x_tsc: Enable FIFO threshold interrupt on resume

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Message-ID: <20130923205056.GH27515@raspi>
Date:	Mon, 23 Sep 2013 22:50:56 +0200
From:	Matthias Kaehlcke <matthias.list@...hlcke.net>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Felipe Balbi <balbi@...com>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] input: touchscreen: ti_am335x_tsc: Enable FIFO threshold
 interrupt on resume

When returning from suspend the FIFO threshold interrupt is
disabled, re-enable it on resume

Signed-off-by: Matthias Kaehlcke <matthias@...hlcke.net>

---
 drivers/input/touchscreen/ti_am335x_tsc.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c
index e1c5300..d86f140 100644
--- a/drivers/input/touchscreen/ti_am335x_tsc.c
+++ b/drivers/input/touchscreen/ti_am335x_tsc.c
@@ -480,6 +480,8 @@ static int titsc_resume(struct device *dev)
 	titsc_step_config(ts_dev);
 	titsc_writel(ts_dev, REG_FIFO0THR,
 			ts_dev->coordinate_readouts * 2 + 2 - 1);
+	titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES);
+
 	return 0;
 }
 
-- 
1.7.9.5

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