From 5a6e4e142175354a321b3bbf8157ca197821c7f4 Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Tue, 29 May 2018 10:50:32 -0500
Subject: Remove BUTTON INTERFACE feature test macro

---
 io-module/mts-io.c | 97 +++---------------------------------------------------
 1 file changed, 4 insertions(+), 93 deletions(-)

(limited to 'io-module/mts-io.c')

diff --git a/io-module/mts-io.c b/io-module/mts-io.c
index e51bd4b..45ef966 100644
--- a/io-module/mts-io.c
+++ b/io-module/mts-io.c
@@ -93,6 +93,9 @@ static void radio_reset_timer_callback(unsigned long data);
 /* generic GPIO support */
 #include "gpio.c"
 
+/* generic Button support */
+//#include "buttons.c"
+
 /* reset button handling */
 #define RESET_CHECK_PER_SEC		8
 #define RESET_INTERVAL		(HZ / RESET_CHECK_PER_SEC)
@@ -165,86 +168,6 @@ has_radio(const char *product_id, size_t len)
 }
 
 
-#ifndef NEW_BUTTON_INTERFACE
-static void reset_callback(struct work_struct *ignored);
-
-static DECLARE_DELAYED_WORK(reset_work, reset_callback);
-static void reset_callback(struct work_struct *ignored)
-{
-	struct gpio_pin *pin;
-	int reset_pressed = 0;
-	struct pid *vpid = NULL;
-
-	mutex_lock(&mts_io_mutex);
-
-	pin = gpio_pin_by_attr_name("reset");
-	if (pin) {
-		reset_pressed = !gpio_get_value(pin->pin.gpio);
-	}
-
-	if (reset_pid > 0) {
-		vpid = find_vpid(reset_pid);
-	}
-
-	if (vpid) {
-		if (reset_pressed) {
-			reset_count++;
-		} else {
-			//Reset button has not been pressed
-			if (reset_count > 0 && reset_count < reset_short_interval) {
-				kill_pid(vpid, reset_short_signal, 1);
-			} else if (reset_count >= reset_short_interval && reset_count < reset_long_interval) {
-				kill_pid(vpid, reset_long_signal, 1);
-			}
-
-			reset_count = 0;
-			sent_extra_long = false;
-		}
-		if (reset_count >= reset_long_interval && ! sent_extra_long) {
-			kill_pid(vpid, reset_extra_long_signal, 1);
-			sent_extra_long = true;
-		}
-	} else {
-		reset_count = 0;
-	}
-
-	mutex_unlock(&mts_io_mutex);
-
-	schedule_delayed_work(&reset_work, RESET_INTERVAL);
-}
-
-static ssize_t mts_attr_show_reset_monitor_intervals(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	int ret;
-
-	mutex_lock(&mts_io_mutex);
-
-	ret = sprintf(buf, "%d %d\n", reset_short_interval / RESET_CHECK_PER_SEC, reset_long_interval / RESET_CHECK_PER_SEC);
-
-	mutex_unlock(&mts_io_mutex);
-
-	return ret;
-}
-
-static ssize_t mts_attr_store_reset_monitor_intervals(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-	int short_int;
-	int long_int;
-
-	if (sscanf(buf, "%i %i", &short_int, &long_int) != 2) {
-		return -EINVAL;
-	}
-
-	mutex_lock(&mts_io_mutex);
-
-	reset_short_interval = short_int * RESET_CHECK_PER_SEC;
-	reset_long_interval = long_int * RESET_CHECK_PER_SEC;
-
-	mutex_unlock(&mts_io_mutex);
-
-	return count;
-}
-
 static DEVICE_ATTR_MTS(dev_attr_reset_monitor_intervals, "reset-monitor-intervals",
 	mts_attr_show_reset_monitor_intervals, mts_attr_store_reset_monitor_intervals);
 
@@ -298,10 +221,6 @@ static ssize_t mts_attr_store_reset_monitor(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR_MTS(dev_attr_reset_monitor, "reset-monitor",
-	mts_attr_show_reset_monitor, mts_attr_store_reset_monitor);
-static DEVICE_ATTR_RO_MTS(dev_attr_reset, "reset", mts_attr_show_gpio_pin);
-#endif
 /* active-low socket modem reset */
 static ssize_t mts_attr_store_radio_reset(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
@@ -1209,13 +1128,9 @@ static int __init mts_io_init(void)
 				log_debug("could not request pin %s (%d) but it could have already been requested under a different pin name", pin->name, ret);
 		}
 	}
-#ifndef NEW_BUTTON_INTERFACE
-	// start the reset handler
-	reset_callback(NULL);
-#else
 	// start general buttons processing
 	init_buttons();
-#endif
+
 	/* init timers */
 	setup_timer(&radio_reset_timer, radio_reset_timer_callback, 0);
 	setup_timer(&radio_reset_available_timer, radio_reset_available_timer_callback, 0);
@@ -1230,11 +1145,7 @@ static void __exit mts_io_exit(void)
 	/* delete radio_reset_available_timer */
 	del_timer(&radio_reset_available_timer);
 
-#ifndef NEW_BUTTON_INTERFACE
-	cancel_delayed_work_sync(&reset_work);
-#else
 	cleanup_buttons();
-#endif
 	cleanup();
 
 	log_info("exiting");
-- 
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