From fa9ae697b0502084d4adf9de48235a876435561b Mon Sep 17 00:00:00 2001
From: knolax <1339802534.kk@gmail.com>
Date: Wed, 27 Dec 2017 21:35:36 -0500
Subject: after switching the position of 4 in column_pins[10] the problem
 persisted, i have added lines at the end of init_skey() that explictly set
 those two pins as input, this is to help debug the issue]

---
 skey.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/skey.c b/skey.c
index 590b682..0ffe0cd 100644
--- a/skey.c
+++ b/skey.c
@@ -192,6 +192,9 @@ static int  __init skey_init (void) {
 	printk("skey: setting up update thread...\n");
 	update_task = kthread_run(skey_update_thread, NULL, "skey_update_thread");
 	printk(KERN_INFO "skey: module finished initiating\n");
+	//explicitly sets pin 4 and 15 to be inputs.
+	gpio_direction_input(4);
+	gpio_direction_input(15);
 	return 0;
 }
 /*
-- 
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