From 842dbc31d1e1203a0cf133a17ceef5a89d495d69 Mon Sep 17 00:00:00 2001
From: Ingo Albrecht <prom@berlin.ccc.de>
Date: Wed, 24 Feb 2010 02:33:14 +0100
Subject: Allow use of keypad driver without interrupts.

---
 src/target/firmware/board/compal_e88/init.c |  3 ++-
 src/target/firmware/calypso/keypad.c        | 14 ++++++++------
 src/target/firmware/include/keypad.h        |  4 ++--
 3 files changed, 12 insertions(+), 9 deletions(-)

(limited to 'src/target/firmware')

diff --git a/src/target/firmware/board/compal_e88/init.c b/src/target/firmware/board/compal_e88/init.c
index 84ae2159..38045682 100644
--- a/src/target/firmware/board/compal_e88/init.c
+++ b/src/target/firmware/board/compal_e88/init.c
@@ -122,7 +122,8 @@ void board_init(void)
 	/* Initialize LCD driver (uses I2C) */
 	st7558_init();
 
-	keypad_init();
+	/* Initialize keypad driver */
+	keypad_init(1);
 
 	/* Initialize ABB driver (uses SPI) */
 	twl3025_init();
diff --git a/src/target/firmware/calypso/keypad.c b/src/target/firmware/calypso/keypad.c
index 27f48c0b..4afd51b8 100644
--- a/src/target/firmware/calypso/keypad.c
+++ b/src/target/firmware/calypso/keypad.c
@@ -113,18 +113,20 @@ void dispatch_buttons(uint32_t buttons)
 
 static void keypad_irq(enum irq_nr nr)
 {
-	keypad_scan();
+	keypad_poll();
 }
 
-void keypad_init()
+void keypad_init(uint8_t interrupts)
 {
 	lastbuttons = 0;
 	writew(0, KBD_GPIO_MASKIT);
 	writew(0, KBC_REG);
 
-	irq_register_handler(IRQ_KEYPAD_GPIO, &keypad_irq);
-	irq_config(IRQ_KEYPAD_GPIO, 0, 0, 0);
-	irq_enable(IRQ_KEYPAD_GPIO);
+	if(interrupts) {
+		irq_register_handler(IRQ_KEYPAD_GPIO, &keypad_irq);
+		irq_config(IRQ_KEYPAD_GPIO, 0, 0, 0);
+		irq_enable(IRQ_KEYPAD_GPIO);
+	}
 }
 
 void keypad_set_handler(key_handler_t handler)
@@ -132,7 +134,7 @@ void keypad_set_handler(key_handler_t handler)
 	key_handler = handler;
 }
 
-void keypad_scan()
+void keypad_poll()
 {
 	uint16_t reg;
 	uint16_t col;
diff --git a/src/target/firmware/include/keypad.h b/src/target/firmware/include/keypad.h
index dd89734c..e2e6519f 100644
--- a/src/target/firmware/include/keypad.h
+++ b/src/target/firmware/include/keypad.h
@@ -55,9 +55,9 @@ enum key_states {
 	RELEASED,
 };
 
-void keypad_init();
+void keypad_init(uint8_t interrupts);
 
-void keypad_scan();
+void keypad_poll();
 
 typedef void (*key_handler_t)(enum key_codes code, enum key_states state);
 
-- 
cgit v1.2.3