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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /drivers/platform/x86/xo1-rfkill.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'drivers/platform/x86/xo1-rfkill.c')
-rw-r--r-- | drivers/platform/x86/xo1-rfkill.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/platform/x86/xo1-rfkill.c b/drivers/platform/x86/xo1-rfkill.c new file mode 100644 index 00000000..41781ed8 --- /dev/null +++ b/drivers/platform/x86/xo1-rfkill.c @@ -0,0 +1,74 @@ +/* + * Support for rfkill through the OLPC XO-1 laptop embedded controller + * + * Copyright (C) 2010 One Laptop per Child + * + * 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. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/rfkill.h> + +#include <asm/olpc.h> + +static int rfkill_set_block(void *data, bool blocked) +{ + unsigned char cmd; + if (blocked) + cmd = EC_WLAN_ENTER_RESET; + else + cmd = EC_WLAN_LEAVE_RESET; + + return olpc_ec_cmd(cmd, NULL, 0, NULL, 0); +} + +static const struct rfkill_ops rfkill_ops = { + .set_block = rfkill_set_block, +}; + +static int __devinit xo1_rfkill_probe(struct platform_device *pdev) +{ + struct rfkill *rfk; + int r; + + rfk = rfkill_alloc(pdev->name, &pdev->dev, RFKILL_TYPE_WLAN, + &rfkill_ops, NULL); + if (!rfk) + return -ENOMEM; + + r = rfkill_register(rfk); + if (r) { + rfkill_destroy(rfk); + return r; + } + + platform_set_drvdata(pdev, rfk); + return 0; +} + +static int __devexit xo1_rfkill_remove(struct platform_device *pdev) +{ + struct rfkill *rfk = platform_get_drvdata(pdev); + rfkill_unregister(rfk); + rfkill_destroy(rfk); + return 0; +} + +static struct platform_driver xo1_rfkill_driver = { + .driver = { + .name = "xo1-rfkill", + .owner = THIS_MODULE, + }, + .probe = xo1_rfkill_probe, + .remove = __devexit_p(xo1_rfkill_remove), +}; + +module_platform_driver(xo1_rfkill_driver); + +MODULE_AUTHOR("Daniel Drake <dsd@laptop.org>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:xo1-rfkill"); |