From: Mike Corrigan <michael.corrigan@motorola.com>
Date: Fri, 3 Dec 2010 19:33:35 +0000 (-0600)
Subject: input: touchscreen: qtouch: Recalibrate on resume
X-Git-Tag: firefly_0821_release~9834^2~282
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e3b8944320af2f3b487bc33053f0dc8b0256583f;p=firefly-linux-kernel-4.4.55.git

input: touchscreen: qtouch: Recalibrate on resume

Added a forced calibration on resume.

Change-Id: I74512e088452a9fc9c3dabcf385c4e6151280868
Signed-off-by: Mike Corrigan <michael.corrigan@motorola.com>
---

diff --git a/drivers/input/touchscreen/qtouch_obp_ts.c b/drivers/input/touchscreen/qtouch_obp_ts.c
index 22d34db36935..d45a6e083c17 100644
--- a/drivers/input/touchscreen/qtouch_obp_ts.c
+++ b/drivers/input/touchscreen/qtouch_obp_ts.c
@@ -1935,6 +1935,11 @@ static int qtouch_ts_resume(struct i2c_client *client)
 		ts->enable_irq_flag = 0;
 		return -EIO;
 	}
+	ret = qtouch_force_calibration(ts);
+	if (ret != 0) {
+		pr_err("%s: Unable to recalibrate after power config\n", __func__);
+		return ret;
+	}
 
 	/* Point the address pointer to the message processor.
 	 * Must do this before enabling interrupts */