Signed-off-by: Szymon Janc <szymon@xxxxxxxxxxx> --- drivers/staging/quickstart/quickstart.c | 80 +++++++++++++++---------------- 1 files changed, 39 insertions(+), 41 deletions(-) diff --git a/drivers/staging/quickstart/quickstart.c b/drivers/staging/quickstart/quickstart.c index c60911c..d03b89d 100644 --- a/drivers/staging/quickstart/quickstart.c +++ b/drivers/staging/quickstart/quickstart.c @@ -4,7 +4,7 @@ * * Copyright (C) 2007-2010 Angelo Arrifano <miknix@xxxxxxxxx> * - * Information gathered from disassebled dsdt and from here: + * Information gathered from disassembled dsdt and from here: * <http://www.microsoft.com/whdc/system/platform/firmware/DirAppLaunch.mspx> * * This program is free software; you can redistribute it and/or modify @@ -37,21 +37,23 @@ MODULE_AUTHOR("Angelo Arrifano"); MODULE_DESCRIPTION("ACPI Direct App Launch driver"); MODULE_LICENSE("GPL"); -#define QUICKSTART_ACPI_DEVICE_NAME "quickstart" -#define QUICKSTART_ACPI_CLASS "quickstart" -#define QUICKSTART_ACPI_HID "PNP0C32" +#define QUICKSTART_ACPI_DEVICE_NAME "quickstart" +#define QUICKSTART_ACPI_CLASS "quickstart" +#define QUICKSTART_ACPI_HID "PNP0C32" -#define QUICKSTART_PF_DRIVER_NAME "quickstart" -#define QUICKSTART_PF_DEVICE_NAME "quickstart" -#define QUICKSTART_PF_DEVATTR_NAME "pressed_button" +#define QUICKSTART_PF_DRIVER_NAME "quickstart" +#define QUICKSTART_PF_DEVICE_NAME "quickstart" +#define QUICKSTART_PF_DEVATTR_NAME "pressed_button" -#define QUICKSTART_MAX_BTN_NAME_LEN 16 +#define QUICKSTART_MAX_BTN_NAME_LEN 16 -/* There will be two events: - * 0x02 - A hot button was pressed while device was off/sleeping. - * 0x80 - A hot button was pressed while device was up. */ -#define QUICKSTART_EVENT_WAKE 0x02 -#define QUICKSTART_EVENT_RUNTIME 0x80 +/* + * There will be two events: + * 0x02 - A hot button was pressed while device was off/sleeping. + * 0x80 - A hot button was pressed while device was up. + */ +#define QUICKSTART_EVENT_WAKE 0x02 +#define QUICKSTART_EVENT_RUNTIME 0x80 struct quickstart_btn { char *name; @@ -64,14 +66,14 @@ static struct quickstart_driver_data { struct quickstart_btn *pressed; } quickstart_data; -/* ACPI driver Structs */ +/* ACPI driver structs */ struct quickstart_acpi { struct acpi_device *device; struct quickstart_btn *btn; }; static int quickstart_acpi_add(struct acpi_device *device); static int quickstart_acpi_remove(struct acpi_device *device, int type); -static const struct acpi_device_id quickstart_device_ids[] = { +static const struct acpi_device_id quickstart_device_ids[] = { {QUICKSTART_ACPI_HID, 0}, {"", 0}, }; @@ -111,12 +113,10 @@ static struct platform_driver pf_driver = { } }; -/* - * Platform driver functions - */ +/* Platform driver functions */ static ssize_t buttons_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { int count = 0; struct quickstart_btn *ptr = quickstart_data.btn_lst; @@ -137,8 +137,8 @@ static ssize_t buttons_show(struct device *dev, } static ssize_t pressed_button_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { return snprintf(buf, PAGE_SIZE, "%s\n", (quickstart_data.pressed ? @@ -147,8 +147,8 @@ static ssize_t pressed_button_show(struct device *dev, static ssize_t pressed_button_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) + struct device_attribute *attr, + const char *buf, size_t count) { if (count < 2) return -EINVAL; @@ -160,7 +160,7 @@ static ssize_t pressed_button_store(struct device *dev, return count; } -/* Hotstart Helper functions */ +/* Helper functions */ static int quickstart_btnlst_add(struct quickstart_btn **data) { struct quickstart_btn **ptr = &quickstart_data.btn_lst; @@ -240,22 +240,26 @@ static void quickstart_acpi_ghid(struct quickstart_acpi *quickstart) if (!quickstart) return; - /* This returns a buffer telling the button usage ID, - * and triggers pending notify events (The ones before booting). */ - status = acpi_evaluate_object(quickstart->device->handle, - "GHID", NULL, &buffer); + /* + * This returns a buffer telling the button usage ID, + * and triggers pending notify events (The ones before booting). + */ + status = acpi_evaluate_object(quickstart->device->handle, "GHID", NULL, + &buffer); if (ACPI_FAILURE(status) || !buffer.pointer) { printk(KERN_ERR "quickstart: %s GHID method failed.\n", - quickstart->btn->name); + quickstart->btn->name); return; } if (buffer.length < 8) return; - /* <<The GHID method can return a BYTE, WORD, or DWORD. + /* + * <<The GHID method can return a BYTE, WORD, or DWORD. * The value must be encoded in little-endian byte - * order (least significant byte first).>> */ + * order (least significant byte first).>> + */ usageid = *((uint32_t *)(buffer.pointer + (buffer.length - 8))); quickstart->btn->id = usageid; @@ -339,20 +343,17 @@ static int quickstart_acpi_remove(struct acpi_device *device, int type) quickstart = acpi_driver_data(device); - status = acpi_remove_notify_handler(device->handle, - ACPI_ALL_NOTIFY, - quickstart_acpi_notify); + status = acpi_remove_notify_handler(device->handle, ACPI_ALL_NOTIFY, + quickstart_acpi_notify); if (ACPI_FAILURE(status)) printk(KERN_ERR "quickstart: Error removing notify handler\n"); - kfree(quickstart); return 0; } /* Module functions */ - static void quickstart_exit(void) { input_unregister_device(quickstart_input); @@ -367,8 +368,6 @@ static void quickstart_exit(void) acpi_bus_unregister_driver(&quickstart_acpi_driver); quickstart_btnlst_free(); - - return; } static int __init quickstart_init_input(void) @@ -444,14 +443,13 @@ static int __init quickstart_init(void) if (ret) goto fail_dev_file2; - /* Input device */ ret = quickstart_init_input(); if (ret) goto fail_input; printk(KERN_INFO "quickstart: ACPI Direct App Launch ver %s\n", - QUICKSTART_VERSION); + QUICKSTART_VERSION); return 0; fail_input: -- 1.7.8.3 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
