From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matteo Croce Subject: Re: [PATCH][MIPS][6/6] AR7: leds driver Date: Thu, 11 Oct 2007 03:01:30 +0200 Message-ID: <200710110301.31223.technoboy85@gmail.com> References: <200710110248.33028.technoboy85@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Eugene Konev , netdev@vger.kernel.org, davem@davemloft.net, kuznet@ms2.inr.ac.ru, pekkas@netcore.fi, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@coreworks.de, Andrew Morton , Jeff Garzik To: linux-mips@linux-mips.org Return-path: Received: from wx-out-0506.google.com ([66.249.82.233]:22136 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756778AbXJKBBf (ORCPT ); Wed, 10 Oct 2007 21:01:35 -0400 Received: by wx-out-0506.google.com with SMTP id h31so394255wxd for ; Wed, 10 Oct 2007 18:01:35 -0700 (PDT) In-Reply-To: <200710110248.33028.technoboy85@gmail.com> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org The new led driver, uses leds-gpio now Signed-off-by: Matteo Croce Signed-off-by: Nicolas Thill diff --git a/drivers/leds/leds-ar7.c b/drivers/leds/leds-ar7.c new file mode 100644 index 0000000..72b958a --- /dev/null +++ b/drivers/leds/leds-ar7.c @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2007 Nicolas Thill + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include +#include +#include +#include +#include +#include +#include + +#define DRVNAME "ar7-leds" +#define LONGNAME "TI AR7 LEDs driver" +#define AR7_GPIO_BIT_STATUS_LED 8 + +MODULE_AUTHOR("Nicolas Thill "); +MODULE_DESCRIPTION(LONGNAME); +MODULE_LICENSE("GPL"); + +static void ar7_status_led_set(struct led_classdev *pled, + enum led_brightness value) +{ + gpio_set_value(AR7_GPIO_BIT_STATUS_LED, value ? 0 : 1); +} + +static struct led_classdev ar7_status_led = { + .name = "ar7:status", + .brightness_set = ar7_status_led_set, +}; + +#ifdef CONFIG_PM +static int ar7_leds_suspend(struct platform_device *dev, + pm_message_t state) +{ + led_classdev_suspend(&ar7_status_led); + return 0; +} + +static int ar7_leds_resume(struct platform_device *dev) +{ + led_classdev_resume(&ar7_status_led); + return 0; +} +#else /* CONFIG_PM */ +#define ar7_leds_suspend NULL +#define ar7_leds_resume NULL +#endif /* CONFIG_PM */ + +static int ar7_leds_probe(struct platform_device *pdev) +{ + int rc; + + rc = led_classdev_register(&pdev->dev, &ar7_status_led); + if (rc < 0) + goto out; + + ar7_gpio_enable(AR7_GPIO_BIT_STATUS_LED); + gpio_direction_output(AR7_GPIO_BIT_STATUS_LED, 0); + +out: + return rc; +} + +static int ar7_leds_remove(struct platform_device *pdev) +{ + led_classdev_unregister(&ar7_status_led); + + return 0; +} + +static struct platform_device *ar7_leds_device; + +static struct platform_driver ar7_leds_driver = { + .probe = ar7_leds_probe, + .remove = ar7_leds_remove, + .suspend = ar7_leds_suspend, + .resume = ar7_leds_resume, + .driver = { + .name = DRVNAME, + }, +}; + +static int __init ar7_leds_init(void) +{ + int rc; + + ar7_leds_device = platform_device_alloc(DRVNAME, -1); + if (!ar7_leds_device) + return -ENOMEM; + + rc = platform_device_add(ar7_leds_device); + if (rc < 0) + goto out_put; + + rc = platform_driver_register(&ar7_leds_driver); + if (rc < 0) + goto out_put; + + goto out; + +out_put: + platform_device_put(ar7_leds_device); +out: + return rc; +} + +static void __exit ar7_leds_exit(void) +{ + platform_driver_unregister(&ar7_leds_driver); + platform_device_unregister(ar7_leds_device); +} + +module_init(ar7_leds_init); +module_exit(ar7_leds_exit);