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diff --git a/firmware/target/sh/archos/ondio/button-ondio.c b/firmware/target/sh/archos/ondio/button-ondio.c
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+++ b/firmware/target/sh/archos/ondio/button-ondio.c
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+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Jens Arnold
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "system.h"
+#include "button.h"
+#include "backlight.h"
+#include "adc.h"
+
+/*
+ Ondio hardware button hookup
+ ============================
+
+ LEFT, RIGHT, UP, DOWN: connected to AN4 through a resistor network
+
+ The voltage on AN4 depends on which keys (or key combo) is pressed
+
+ OPTION: AN2, high active (assigned as MENU)
+ ON/OFF: AN3, low active (assigned as OFF)
+*/
+
+int button_read_device(void)
+{
+ int btn = BUTTON_NONE;
+ int data;
+
+ /* Check the 4 direction keys */
+ data = adc_read(ADC_BUTTON_ROW1);
+ if (data >= 165)
+ {
+ if (data >= 585)
+ if (data >= 755)
+ btn = BUTTON_LEFT;
+ else
+ btn = BUTTON_RIGHT;
+ else
+ if (data >= 415)
+ btn = BUTTON_UP;
+ else
+ btn = BUTTON_DOWN;
+ }
+
+ if(adc_read(ADC_BUTTON_OPTION) > 0x200) /* active high */
+ btn |= BUTTON_MENU;
+ if(adc_read(ADC_BUTTON_ONOFF) < 0x120) /* active low */
+ btn |= BUTTON_OFF;
+
+ return btn;
+}