Gabor Juhos
15 years ago
parent
3687b4fb26
commit
c0993046d6
@ -0,0 +1,58 @@ |
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/*
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* Atheros AR71xx GPIO button support |
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* |
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* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> |
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 as published |
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* by the Free Software Foundation. |
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*/ |
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#include "linux/init.h" |
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#include <linux/platform_device.h> |
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#include "dev-gpio-buttons.h" |
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void __init ar71xx_add_device_gpio_buttons(int id, |
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unsigned poll_interval, |
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unsigned nbuttons, |
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struct gpio_button *buttons) |
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{ |
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struct platform_device *pdev; |
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struct gpio_buttons_platform_data pdata; |
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struct gpio_button *p; |
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int err; |
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p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL); |
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if (!p) |
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return; |
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memcpy(p, buttons, nbuttons * sizeof(*p)); |
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pdev = platform_device_alloc("gpio-buttons", id); |
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if (!pdev) |
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goto err_free_buttons; |
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memset(&pdata, 0, sizeof(pdata)); |
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pdata.poll_interval = poll_interval; |
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pdata.nbuttons = nbuttons; |
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pdata.buttons = p; |
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err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); |
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if (err) |
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goto err_put_pdev; |
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err = platform_device_add(pdev); |
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if (err) |
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goto err_put_pdev; |
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return; |
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err_put_pdev: |
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platform_device_put(pdev); |
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err_free_buttons: |
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kfree(p); |
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} |
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@ -0,0 +1,25 @@ |
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/*
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* Atheros AR71xx GPIO button support |
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* |
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* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> |
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 as published |
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* by the Free Software Foundation. |
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*/ |
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#ifndef _AR71XX_DEV_GPIO_BUTTONS_H |
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#define _AR71XX_DEV_GPIO_BUTTONS_H |
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#include <linux/input.h> |
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#include <linux/gpio_buttons.h> |
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#include <asm/mach-ar71xx/platform.h> |
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void ar71xx_add_device_gpio_buttons(int id, |
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unsigned poll_interval, |
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unsigned nbuttons, |
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struct gpio_button *buttons) __init; |
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#endif /* _AR71XX_DEV_GPIO_BUTTONS_H */ |
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