diff options
author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-04-03 09:58:44 +0000 |
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committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-04-03 09:58:44 +0000 |
commit | ed292123bc5c9a242273ad5e9251da05fc7377c6 (patch) | |
tree | 6438279d1866fffb0c66b568f2ee3e64f2aa89b0 /target/linux/ramips/files-3.7/arch/mips/ralink/common/dev-gpio-buttons.c | |
parent | cca3ae9bc47b833ac72cf2896d1ad4bd39d1033f (diff) |
[ramips] move files to files-3.7
Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36161 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/files-3.7/arch/mips/ralink/common/dev-gpio-buttons.c')
-rw-r--r-- | target/linux/ramips/files-3.7/arch/mips/ralink/common/dev-gpio-buttons.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/target/linux/ramips/files-3.7/arch/mips/ralink/common/dev-gpio-buttons.c b/target/linux/ramips/files-3.7/arch/mips/ralink/common/dev-gpio-buttons.c new file mode 100644 index 000000000..75a2a1714 --- /dev/null +++ b/target/linux/ramips/files-3.7/arch/mips/ralink/common/dev-gpio-buttons.c @@ -0,0 +1,57 @@ +/* + * Ralink SoC GPIO button support + * + * Copyright (C) 2010 Gabor Juhos <juhosg@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/platform_device.h> +#include <linux/slab.h> + +#include <asm/mach-ralink/dev-gpio-buttons.h> + +void __init ramips_register_gpio_buttons(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); +} |