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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/mips/ath79/dev-gpio-buttons.c | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip |
dirty fix to merging
Diffstat (limited to 'arch/mips/ath79/dev-gpio-buttons.c')
-rw-r--r-- | arch/mips/ath79/dev-gpio-buttons.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/mips/ath79/dev-gpio-buttons.c b/arch/mips/ath79/dev-gpio-buttons.c new file mode 100644 index 00000000..4b0168a1 --- /dev/null +++ b/arch/mips/ath79/dev-gpio-buttons.c @@ -0,0 +1,58 @@ +/* + * Atheros AR71XX/AR724X/AR913X GPIO button support + * + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "linux/init.h" +#include "linux/slab.h" +#include <linux/platform_device.h> + +#include "dev-gpio-buttons.h" + +void __init ath79_register_gpio_keys_polled(int id, + unsigned poll_interval, + unsigned nbuttons, + struct gpio_keys_button *buttons) +{ + struct platform_device *pdev; + struct gpio_keys_platform_data pdata; + struct gpio_keys_button *p; + int err; + + p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL); + if (!p) + return; + + memcpy(p, buttons, nbuttons * sizeof(*p)); + + pdev = platform_device_alloc("gpio-keys-polled", id); + if (!pdev) + goto err_free_buttons; + + memset(&pdata, 0, sizeof(pdata)); + pdata.poll_interval = poll_interval; + pdata.nbuttons = nbuttons; + pdata.buttons = p; + + err = platform_device_add_data(pdev, &pdata, sizeof(pdata)); + if (err) + goto err_put_pdev; + + err = platform_device_add(pdev); + if (err) + goto err_put_pdev; + + return; + +err_put_pdev: + platform_device_put(pdev); + +err_free_buttons: + kfree(p); +} |