diff options
| -rw-r--r-- | drivers/hwmon/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/hwmon/hp_accel.c | 43 | ||||
| -rw-r--r-- | drivers/leds/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/leds/Makefile | 1 | ||||
| -rw-r--r-- | drivers/leds/leds-hp-disk.c | 137 |
5 files changed, 52 insertions, 150 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 4b33bc82cc2..54b43bea5e4 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -861,6 +861,8 @@ config SENSORS_HDAPS config SENSORS_LIS3LV02D tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer" depends on ACPI && INPUT + select NEW_LEDS + select LEDS_CLASS default n help This driver provides support for the LIS3LV02Dx accelerometer. In @@ -872,10 +874,16 @@ config SENSORS_LIS3LV02D /sys/devices/platform/lis3lv02d. This driver also provides an absolute input class device, allowing - the laptop to act as a pinball machine-esque joystick. + the laptop to act as a pinball machine-esque joystick. On HP laptops, + if the led infrastructure is activated, support for a led indicating + disk protection will be provided as hp:red:hddprotection. - This driver can also be built as a module. If so, the module - will be called lis3lv02d. + This driver can also be built as modules. If so, the core module + will be called lis3lv02d and a specific module for HP laptops will be + called hp_accel. + + Say Y here if you have an applicable laptop and want to experience + the awesome power of lis3lv02d. config SENSORS_APPLESMC tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c index bf8d4058057..86a0f51d99d 100644 --- a/drivers/hwmon/hp_accel.c +++ b/drivers/hwmon/hp_accel.c @@ -36,6 +36,7 @@ #include <linux/freezer.h> #include <linux/version.h> #include <linux/uaccess.h> +#include <linux/leds.h> #include <acpi/acpi_drivers.h> #include <asm/atomic.h> #include "lis3lv02d.h" @@ -154,10 +155,34 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = { */ }; +static acpi_status hpled_acpi_write(acpi_handle handle, int reg) +{ + unsigned long long ret; /* Not used when writing */ + union acpi_object in_obj[1]; + struct acpi_object_list args = { 1, in_obj }; + + in_obj[0].type = ACPI_TYPE_INTEGER; + in_obj[0].integer.value = reg; + + return acpi_evaluate_integer(handle, "ALED", &args, &ret); +} + +static void hpled_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + hpled_acpi_write(adev.device->handle, !!value); +} + +static struct led_classdev hpled_led = { + .name = "hp:red:hddprotection", + .default_trigger = "none", + .brightness_set = hpled_set, +}; static int lis3lv02d_add(struct acpi_device *device) { u8 val; + int ret; if (!device) return -EINVAL; @@ -183,7 +208,17 @@ static int lis3lv02d_add(struct acpi_device *device) adev.ac = lis3lv02d_axis_normal; } - return lis3lv02d_init_device(&adev); + ret = led_classdev_register(NULL, &hpled_led); + if (ret) + return ret; + + ret = lis3lv02d_init_device(&adev); + if (ret) { + led_classdev_unregister(&hpled_led); + return ret; + } + + return ret; } static int lis3lv02d_remove(struct acpi_device *device, int type) @@ -194,6 +229,8 @@ static int lis3lv02d_remove(struct acpi_device *device, int type) lis3lv02d_joystick_disable(); lis3lv02d_poweroff(device->handle); + led_classdev_unregister(&hpled_led); + return lis3lv02d_remove_fs(); } @@ -203,6 +240,7 @@ static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state) { /* make sure the device is off when we suspend */ lis3lv02d_poweroff(device->handle); + led_classdev_suspend(&hpled_led); return 0; } @@ -215,6 +253,7 @@ static int lis3lv02d_resume(struct acpi_device *device) else lis3lv02d_poweroff(device->handle); mutex_unlock(&adev.lock); + led_classdev_resume(&hpled_led); return 0; } #else @@ -256,7 +295,7 @@ static void __exit lis3lv02d_exit_module(void) acpi_bus_unregister_driver(&lis3lv02d_driver); } -MODULE_DESCRIPTION("Glue between LIS3LV02Dx and HP ACPI BIOS"); +MODULE_DESCRIPTION("Glue between LIS3LV02Dx and HP ACPI BIOS and support for disk protection LED."); MODULE_AUTHOR("Yan Burman, Eric Piel, Pavel Machek"); MODULE_LICENSE("GPL"); diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index a4a1ae21463..742713611bc 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -119,13 +119,6 @@ config LEDS_GPIO outputs. To be useful the particular board must have LEDs and they must be connected to the GPIO lines. -config LEDS_HP_DISK - tristate "LED Support for disk protection LED on HP notebooks" - depends on LEDS_CLASS && ACPI - help - This option enable support for disk protection LED, found on - newer HP notebooks. - config LEDS_CLEVO_MAIL tristate "Mail LED on Clevo notebook (EXPERIMENTAL)" depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI && EXPERIMENTAL diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index bc247cb02e8..9d76f0f160a 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -23,7 +23,6 @@ obj-$(CONFIG_LEDS_HP6XX) += leds-hp6xx.o obj-$(CONFIG_LEDS_FSG) += leds-fsg.o obj-$(CONFIG_LEDS_PCA955X) += leds-pca955x.o obj-$(CONFIG_LEDS_DA903X) += leds-da903x.o -obj-$(CONFIG_LEDS_HP_DISK) += leds-hp-disk.o obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o # LED Triggers diff --git a/drivers/leds/leds-hp-disk.c b/drivers/leds/leds-hp-disk.c deleted file mode 100644 index d786adc8c5e..00000000000 --- a/drivers/leds/leds-hp-disk.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * leds-hp-disk.c - driver for HP "hard disk protection" LED - * - * Copyright (C) 2008 Pavel Machek - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/dmi.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/input.h> -#include <linux/kthread.h> -#include <linux/leds.h> -#include <acpi/acpi_drivers.h> - -#define DRIVER_NAME "leds-hp-disk" -#define ACPI_MDPS_CLASS "led" - -/* For automatic insertion of the module */ -static struct acpi_device_id hpled_device_ids[] = { - {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ - {"", 0}, -}; -MODULE_DEVICE_TABLE(acpi, hpled_device_ids); - -struct acpi_hpled { - struct acpi_device *device; /* The ACPI device */ -}; - -static struct acpi_hpled adev; - -static acpi_status hpled_acpi_write(acpi_handle handle, int reg) -{ - unsigned long long ret; /* Not used when writing */ - union acpi_object in_obj[1]; - struct acpi_object_list args = { 1, in_obj }; - - in_obj[0].type = ACPI_TYPE_INTEGER; - in_obj[0].integer.value = reg; - - return acpi_evaluate_integer(handle, "ALED", &args, &ret); -} - -static void hpled_set(struct led_classdev *led_cdev, - enum led_brightness value) -{ - hpled_acpi_write(adev.device->handle, !!value); -} - -static struct led_classdev hpled_led = { - .name = "hp:red:hddprotection", - .default_trigger = "heartbeat", - .brightness_set = hpled_set, - .flags = LED_CORE_SUSPENDRESUME, -}; - -static int hpled_add(struct acpi_device *device) -{ - int ret; - - if (!device) - return -EINVAL; - - adev.device = device; - strcpy(acpi_device_name(device), DRIVER_NAME); - strcpy(acpi_device_class(device), ACPI_MDPS_CLASS); - device->driver_data = &adev; - - ret = led_classdev_register(NULL, &hpled_led); - return ret; -} - -static int hpled_remove(struct acpi_device *device, int type) -{ - if (!device) - return -EINVAL; - - led_classdev_unregister(&hpled_led); - return 0; -} - - - -static struct acpi_driver leds_hp_driver = { - .name = DRIVER_NAME, - .class = ACPI_MDPS_CLASS, - .ids = hpled_device_ids, - .ops = { - .add = hpled_add, - .remove = hpled_remove, - } -}; - -static int __init hpled_init_module(void) -{ - int ret; - - if (acpi_disabled) - return -ENODEV; - - ret = acpi_bus_register_driver(&leds_hp_driver); - if (ret < 0) - return ret; - - printk(KERN_INFO DRIVER_NAME " driver loaded.\n"); - - return 0; -} - -static void __exit hpled_exit_module(void) -{ - acpi_bus_unregister_driver(&leds_hp_driver); -} - -MODULE_DESCRIPTION("Driver for HP disk protection LED"); -MODULE_AUTHOR("Pavel Machek <pavel@suse.cz>"); -MODULE_LICENSE("GPL"); - -module_init(hpled_init_module); -module_exit(hpled_exit_module); |