X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=include%2Fled.h;h=b929d0ca3c70c880444965d86e7956944c59d2da;hb=40fe7532932bab688f5a976ca0c68eab48862811;hp=57c2b4a3777729bb02c4fb93ba47013d82f1ef3b;hpb=b706d63559aeec352bc72dd86d7d5423c15f6a60;p=karo-tx-uboot.git

diff --git a/include/led.h b/include/led.h
index 57c2b4a377..b929d0ca3c 100644
--- a/include/led.h
+++ b/include/led.h
@@ -1,45 +1,51 @@
 /*
- * (C) Copyright 2006
- * Atmel Nordic AB <www.atmel.com>
- * Ulf Samuelsson <ulf@atmel.com>
+ * Copyright (c) 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef __LED_H
 #define __LED_H
 
-#ifndef	__ASSEMBLY__
-extern void	LED_init (void);
-extern void	red_LED_on(void);
-extern void	red_LED_off(void);
-extern void	green_LED_on(void);
-extern void	green_LED_off(void);
-extern void	yellow_LED_on(void);
-extern void	yellow_LED_off(void);
-#else
-	.extern LED_init
-	.extern red_LED_on
-	.extern red_LED_off
-	.extern yellow_LED_on
-	.extern yellow_LED_off
-	.extern green_LED_on
-	.extern green_LED_off
-#endif
+/**
+ * struct led_uclass_plat - Platform data the uclass stores about each device
+ *
+ * @label:	LED label
+ */
+struct led_uclass_plat {
+	const char *label;
+};
+
+struct led_ops {
+	/**
+	 * set_on() - set the state of an LED
+	 *
+	 * @dev:	LED device to change
+	 * @on:		1 to turn the LED on, 0 to turn it off
+	 * @return 0 if OK, -ve on error
+	 */
+	int (*set_on)(struct udevice *dev, int on);
+};
+
+#define led_get_ops(dev)	((struct led_ops *)(dev)->driver->ops)
+
+/**
+ * led_get_by_label() - Find an LED device by label
+ *
+ * @label:	LED label to look up
+ * @devp:	Returns the associated device, if found
+ * @return 0 if found, -ENODEV if not found, other -ve on error
+ */
+int led_get_by_label(const char *label, struct udevice **devp);
+
+/**
+ * led_set_on() - set the state of an LED
+ *
+ * @dev:	LED device to change
+ * @on:		1 to turn the LED on, 0 to turn it off
+ * @return 0 if OK, -ve on error
+ */
+int led_set_on(struct udevice *dev, int on);
+
 #endif