Since the platform drivers doing more for laptops than just using specific ACPI device. It will be good to change the name from *_acpi to *-laptop. Reference: http://lkml.org/lkml/2010/8/14/154 Signed-off-by: Ike Panhc <ike.pan@xxxxxxxxxxxxx> Acked-by: Len Brown <len.brown@xxxxxxxxx> --- drivers/platform/x86/Kconfig | 4 +- drivers/platform/x86/Makefile | 2 +- drivers/platform/x86/ideapad-laptop.c | 382 +++++++++++++++++++++++++++++++++ drivers/platform/x86/ideapad_acpi.c | 382 --------------------------------- 4 files changed, 385 insertions(+), 385 deletions(-) create mode 100644 drivers/platform/x86/ideapad-laptop.c delete mode 100644 drivers/platform/x86/ideapad_acpi.c diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index cff7cc2..0881c68 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -219,8 +219,8 @@ config SONYPI_COMPAT ---help--- Build the sonypi driver compatibility code into the sony-laptop driver. -config IDEAPAD_ACPI - tristate "Lenovo IdeaPad ACPI Laptop Extras" +config IDEAPAD_LAPTOP + tristate "Lenovo IdeaPad Laptop Extras" depends on ACPI depends on RFKILL help diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index 85fb2b8..9846fa2 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -15,7 +15,7 @@ obj-$(CONFIG_ACERHDF) += acerhdf.o obj-$(CONFIG_HP_WMI) += hp-wmi.o obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o -obj-$(CONFIG_IDEAPAD_ACPI) += ideapad_acpi.o +obj-$(CONFIG_IDEAPAD_LAPTOP) += ideapad_laptop.o obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o obj-$(CONFIG_FUJITSU_LAPTOP) += fujitsu-laptop.o obj-$(CONFIG_PANASONIC_LAPTOP) += panasonic-laptop.o diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c new file mode 100644 index 0000000..78ac02a --- /dev/null +++ b/drivers/platform/x86/ideapad-laptop.c @@ -0,0 +1,382 @@ +/* + * ideapad_acpi.c - Lenovo IdeaPad ACPI Extras + * + * Copyright © 2010 Intel Corporation + * Copyright © 2010 David Woodhouse <dwmw2@xxxxxxxxxxxxx> + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> +#include <linux/rfkill.h> + +#define IDEAPAD_DEV_CAMERA 0 +#define IDEAPAD_DEV_WLAN 1 +#define IDEAPAD_DEV_BLUETOOTH 2 +#define IDEAPAD_DEV_3G 3 +#define IDEAPAD_DEV_KILLSW 4 + +struct ideapad_private { + acpi_handle handle; + struct rfkill *rfk[5]; +} *ideapad_priv; + +static struct { + char *name; + int cfgbit; + int opcode; + int type; +} ideapad_rfk_data[] = { + { "ideapad_camera", 19, 0x1E, NUM_RFKILL_TYPES }, + { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN }, + { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH }, + { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN }, + { "ideapad_killsw", 0, 0, RFKILL_TYPE_WLAN } +}; + +/* + * ACPI Helpers + */ +#define IDEAPAD_EC_TIMEOUT (100) /* in ms */ + +static int read_method_int(acpi_handle handle, const char *method, int *val) +{ + acpi_status status; + unsigned long long result; + + status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); + if (ACPI_FAILURE(status)) { + *val = -1; + return -1; + } else { + *val = result; + return 0; + } +} + +static int method_vpcr(acpi_handle handle, int cmd, int *ret) +{ + acpi_status status; + unsigned long long result; + struct acpi_object_list params; + union acpi_object in_obj; + + params.count = 1; + params.pointer = &in_obj; + in_obj.type = ACPI_TYPE_INTEGER; + in_obj.integer.value = cmd; + + status = acpi_evaluate_integer(handle, "VPCR", ¶ms, &result); + + if (ACPI_FAILURE(status)) { + *ret = -1; + return -1; + } else { + *ret = result; + return 0; + } +} + +static int method_vpcw(acpi_handle handle, int cmd, int data) +{ + struct acpi_object_list params; + union acpi_object in_obj[2]; + acpi_status status; + + params.count = 2; + params.pointer = in_obj; + in_obj[0].type = ACPI_TYPE_INTEGER; + in_obj[0].integer.value = cmd; + in_obj[1].type = ACPI_TYPE_INTEGER; + in_obj[1].integer.value = data; + + status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL); + if (status != AE_OK) + return -1; + return 0; +} + +static int read_ec_data(acpi_handle handle, int cmd, unsigned long *data) +{ + int val; + unsigned long int end_jiffies; + + if (method_vpcw(handle, 1, cmd)) + return -1; + + for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; + time_before(jiffies, end_jiffies);) { + schedule(); + if (method_vpcr(handle, 1, &val)) + return -1; + if (val == 0) { + if (method_vpcr(handle, 0, &val)) + return -1; + *data = val; + return 0; + } + } + pr_err("timeout in read_ec_cmd\n"); + return -1; +} + +static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data) +{ + int val; + unsigned long int end_jiffies; + + if (method_vpcw(handle, 0, data)) + return -1; + if (method_vpcw(handle, 1, cmd)) + return -1; + + for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; + time_before(jiffies, end_jiffies);) { + schedule(); + if (method_vpcr(handle, 1, &val)) + return -1; + if (val == 0) + return 0; + } + pr_err("timeout in write_ec_cmd\n"); + return -1; +} +/* the above is ACPI helpers */ + +static ssize_t show_ideapad_cam(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct ideapad_private *priv = dev_get_drvdata(dev); + acpi_handle handle = priv->handle; + unsigned long result; + + if (read_ec_data(handle, 0x1D, &result)) + return sprintf(buf, "-1\n"); + return sprintf(buf, "%lu\n", result); +} + +static ssize_t store_ideapad_cam(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ideapad_private *priv = dev_get_drvdata(dev); + acpi_handle handle = priv->handle; + int ret, state; + + if (!count) + return 0; + if (sscanf(buf, "%i", &state) != 1) + return -EINVAL; + ret = write_ec_cmd(handle, 0x1E, state); + if (ret < 0) + return ret; + return count; +} + +static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); + +static int ideapad_rfk_set(void *data, bool blocked) +{ + int device = (unsigned long)data; + + if (device == IDEAPAD_DEV_KILLSW) + return -EINVAL; + + return write_ec_cmd(ideapad_priv->handle, + ideapad_rfk_data[device].opcode, + !blocked); +} + +static struct rfkill_ops ideapad_rfk_ops = { + .set_block = ideapad_rfk_set, +}; + +static void ideapad_sync_rfk_state(struct acpi_device *adevice) +{ + struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); + acpi_handle handle = priv->handle; + unsigned long hw_blocked; + int i; + + if (read_ec_data(handle, 0x23, &hw_blocked)) + return; + hw_blocked = !hw_blocked; + + for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) + if (priv->rfk[i]) + rfkill_set_hw_state(priv->rfk[i], hw_blocked); +} + +static int ideapad_register_rfkill(struct acpi_device *adevice, int dev) +{ + struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); + int ret; + unsigned long sw_blocked; + + priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, &adevice->dev, + ideapad_rfk_data[dev].type, &ideapad_rfk_ops, + (void *)(long)dev); + if (!priv->rfk[dev]) + return -ENOMEM; + + if (read_ec_data(ideapad_priv->handle, ideapad_rfk_data[dev].opcode-1, + &sw_blocked)) { + rfkill_init_sw_state(priv->rfk[dev], 0); + } else { + sw_blocked = !sw_blocked; + rfkill_init_sw_state(priv->rfk[dev], sw_blocked); + } + + ret = rfkill_register(priv->rfk[dev]); + if (ret) { + rfkill_destroy(priv->rfk[dev]); + return ret; + } + return 0; +} + +static void ideapad_unregister_rfkill(struct acpi_device *adevice, int dev) +{ + struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); + + if (!priv->rfk[dev]) + return; + + rfkill_unregister(priv->rfk[dev]); + rfkill_destroy(priv->rfk[dev]); +} + +static const struct acpi_device_id ideapad_device_ids[] = { + { "VPC2004", 0}, + { "", 0}, +}; +MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); + +static int ideapad_acpi_add(struct acpi_device *adevice) +{ + int i, cfg; + int devs_present[5]; + struct ideapad_private *priv; + + if (read_method_int(adevice->handle, "_CFG", &cfg)) + return -ENODEV; + + for (i = IDEAPAD_DEV_CAMERA; i < IDEAPAD_DEV_KILLSW; i++) { + if (test_bit(ideapad_rfk_data[i].cfgbit, (unsigned long *)&cfg)) + devs_present[i] = 1; + else + devs_present[i] = 0; + } + + /* The hardware switch is always present */ + devs_present[IDEAPAD_DEV_KILLSW] = 1; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + if (devs_present[IDEAPAD_DEV_CAMERA]) { + int ret = device_create_file(&adevice->dev, &dev_attr_camera_power); + if (ret) { + kfree(priv); + return ret; + } + } + + priv->handle = adevice->handle; + dev_set_drvdata(&adevice->dev, priv); + ideapad_priv = priv; + for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) { + if (!devs_present[i]) + continue; + + ideapad_register_rfkill(adevice, i); + } + ideapad_sync_rfk_state(adevice); + return 0; +} + +static int ideapad_acpi_remove(struct acpi_device *adevice, int type) +{ + struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); + int i; + + device_remove_file(&adevice->dev, &dev_attr_camera_power); + + for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) + ideapad_unregister_rfkill(adevice, i); + + dev_set_drvdata(&adevice->dev, NULL); + kfree(priv); + return 0; +} + +static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) +{ + acpi_handle handle = adevice->handle; + unsigned long vpc1, vpc2, vpc_bit; + + if (read_ec_data(handle, 0x10, &vpc1)) + return; + if (read_ec_data(handle, 0x1A, &vpc2)) + return; + + vpc1 = (vpc2 << 8) | vpc1; + for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) { + if (test_bit(vpc_bit, &vpc1)) { + if (vpc_bit == 9) + ideapad_sync_rfk_state(adevice); + } + } +} + +static struct acpi_driver ideapad_acpi_driver = { + .name = "ideapad_acpi", + .class = "IdeaPad", + .ids = ideapad_device_ids, + .ops.add = ideapad_acpi_add, + .ops.remove = ideapad_acpi_remove, + .ops.notify = ideapad_acpi_notify, + .owner = THIS_MODULE, +}; + + +static int __init ideapad_acpi_module_init(void) +{ + acpi_bus_register_driver(&ideapad_acpi_driver); + + return 0; +} + + +static void __exit ideapad_acpi_module_exit(void) +{ + acpi_bus_unregister_driver(&ideapad_acpi_driver); + +} + +MODULE_AUTHOR("David Woodhouse <dwmw2@xxxxxxxxxxxxx>"); +MODULE_DESCRIPTION("IdeaPad ACPI Extras"); +MODULE_LICENSE("GPL"); + +module_init(ideapad_acpi_module_init); +module_exit(ideapad_acpi_module_exit); diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad_acpi.c deleted file mode 100644 index 78ac02a..0000000 --- a/drivers/platform/x86/ideapad_acpi.c +++ /dev/null @@ -1,382 +0,0 @@ -/* - * ideapad_acpi.c - Lenovo IdeaPad ACPI Extras - * - * Copyright © 2010 Intel Corporation - * Copyright © 2010 David Woodhouse <dwmw2@xxxxxxxxxxxxx> - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <acpi/acpi_bus.h> -#include <acpi/acpi_drivers.h> -#include <linux/rfkill.h> - -#define IDEAPAD_DEV_CAMERA 0 -#define IDEAPAD_DEV_WLAN 1 -#define IDEAPAD_DEV_BLUETOOTH 2 -#define IDEAPAD_DEV_3G 3 -#define IDEAPAD_DEV_KILLSW 4 - -struct ideapad_private { - acpi_handle handle; - struct rfkill *rfk[5]; -} *ideapad_priv; - -static struct { - char *name; - int cfgbit; - int opcode; - int type; -} ideapad_rfk_data[] = { - { "ideapad_camera", 19, 0x1E, NUM_RFKILL_TYPES }, - { "ideapad_wlan", 18, 0x15, RFKILL_TYPE_WLAN }, - { "ideapad_bluetooth", 16, 0x17, RFKILL_TYPE_BLUETOOTH }, - { "ideapad_3g", 17, 0x20, RFKILL_TYPE_WWAN }, - { "ideapad_killsw", 0, 0, RFKILL_TYPE_WLAN } -}; - -/* - * ACPI Helpers - */ -#define IDEAPAD_EC_TIMEOUT (100) /* in ms */ - -static int read_method_int(acpi_handle handle, const char *method, int *val) -{ - acpi_status status; - unsigned long long result; - - status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); - if (ACPI_FAILURE(status)) { - *val = -1; - return -1; - } else { - *val = result; - return 0; - } -} - -static int method_vpcr(acpi_handle handle, int cmd, int *ret) -{ - acpi_status status; - unsigned long long result; - struct acpi_object_list params; - union acpi_object in_obj; - - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = cmd; - - status = acpi_evaluate_integer(handle, "VPCR", ¶ms, &result); - - if (ACPI_FAILURE(status)) { - *ret = -1; - return -1; - } else { - *ret = result; - return 0; - } -} - -static int method_vpcw(acpi_handle handle, int cmd, int data) -{ - struct acpi_object_list params; - union acpi_object in_obj[2]; - acpi_status status; - - params.count = 2; - params.pointer = in_obj; - in_obj[0].type = ACPI_TYPE_INTEGER; - in_obj[0].integer.value = cmd; - in_obj[1].type = ACPI_TYPE_INTEGER; - in_obj[1].integer.value = data; - - status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL); - if (status != AE_OK) - return -1; - return 0; -} - -static int read_ec_data(acpi_handle handle, int cmd, unsigned long *data) -{ - int val; - unsigned long int end_jiffies; - - if (method_vpcw(handle, 1, cmd)) - return -1; - - for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; - time_before(jiffies, end_jiffies);) { - schedule(); - if (method_vpcr(handle, 1, &val)) - return -1; - if (val == 0) { - if (method_vpcr(handle, 0, &val)) - return -1; - *data = val; - return 0; - } - } - pr_err("timeout in read_ec_cmd\n"); - return -1; -} - -static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data) -{ - int val; - unsigned long int end_jiffies; - - if (method_vpcw(handle, 0, data)) - return -1; - if (method_vpcw(handle, 1, cmd)) - return -1; - - for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; - time_before(jiffies, end_jiffies);) { - schedule(); - if (method_vpcr(handle, 1, &val)) - return -1; - if (val == 0) - return 0; - } - pr_err("timeout in write_ec_cmd\n"); - return -1; -} -/* the above is ACPI helpers */ - -static ssize_t show_ideapad_cam(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ideapad_private *priv = dev_get_drvdata(dev); - acpi_handle handle = priv->handle; - unsigned long result; - - if (read_ec_data(handle, 0x1D, &result)) - return sprintf(buf, "-1\n"); - return sprintf(buf, "%lu\n", result); -} - -static ssize_t store_ideapad_cam(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct ideapad_private *priv = dev_get_drvdata(dev); - acpi_handle handle = priv->handle; - int ret, state; - - if (!count) - return 0; - if (sscanf(buf, "%i", &state) != 1) - return -EINVAL; - ret = write_ec_cmd(handle, 0x1E, state); - if (ret < 0) - return ret; - return count; -} - -static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); - -static int ideapad_rfk_set(void *data, bool blocked) -{ - int device = (unsigned long)data; - - if (device == IDEAPAD_DEV_KILLSW) - return -EINVAL; - - return write_ec_cmd(ideapad_priv->handle, - ideapad_rfk_data[device].opcode, - !blocked); -} - -static struct rfkill_ops ideapad_rfk_ops = { - .set_block = ideapad_rfk_set, -}; - -static void ideapad_sync_rfk_state(struct acpi_device *adevice) -{ - struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); - acpi_handle handle = priv->handle; - unsigned long hw_blocked; - int i; - - if (read_ec_data(handle, 0x23, &hw_blocked)) - return; - hw_blocked = !hw_blocked; - - for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) - if (priv->rfk[i]) - rfkill_set_hw_state(priv->rfk[i], hw_blocked); -} - -static int ideapad_register_rfkill(struct acpi_device *adevice, int dev) -{ - struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); - int ret; - unsigned long sw_blocked; - - priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, &adevice->dev, - ideapad_rfk_data[dev].type, &ideapad_rfk_ops, - (void *)(long)dev); - if (!priv->rfk[dev]) - return -ENOMEM; - - if (read_ec_data(ideapad_priv->handle, ideapad_rfk_data[dev].opcode-1, - &sw_blocked)) { - rfkill_init_sw_state(priv->rfk[dev], 0); - } else { - sw_blocked = !sw_blocked; - rfkill_init_sw_state(priv->rfk[dev], sw_blocked); - } - - ret = rfkill_register(priv->rfk[dev]); - if (ret) { - rfkill_destroy(priv->rfk[dev]); - return ret; - } - return 0; -} - -static void ideapad_unregister_rfkill(struct acpi_device *adevice, int dev) -{ - struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); - - if (!priv->rfk[dev]) - return; - - rfkill_unregister(priv->rfk[dev]); - rfkill_destroy(priv->rfk[dev]); -} - -static const struct acpi_device_id ideapad_device_ids[] = { - { "VPC2004", 0}, - { "", 0}, -}; -MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); - -static int ideapad_acpi_add(struct acpi_device *adevice) -{ - int i, cfg; - int devs_present[5]; - struct ideapad_private *priv; - - if (read_method_int(adevice->handle, "_CFG", &cfg)) - return -ENODEV; - - for (i = IDEAPAD_DEV_CAMERA; i < IDEAPAD_DEV_KILLSW; i++) { - if (test_bit(ideapad_rfk_data[i].cfgbit, (unsigned long *)&cfg)) - devs_present[i] = 1; - else - devs_present[i] = 0; - } - - /* The hardware switch is always present */ - devs_present[IDEAPAD_DEV_KILLSW] = 1; - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - if (devs_present[IDEAPAD_DEV_CAMERA]) { - int ret = device_create_file(&adevice->dev, &dev_attr_camera_power); - if (ret) { - kfree(priv); - return ret; - } - } - - priv->handle = adevice->handle; - dev_set_drvdata(&adevice->dev, priv); - ideapad_priv = priv; - for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) { - if (!devs_present[i]) - continue; - - ideapad_register_rfkill(adevice, i); - } - ideapad_sync_rfk_state(adevice); - return 0; -} - -static int ideapad_acpi_remove(struct acpi_device *adevice, int type) -{ - struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); - int i; - - device_remove_file(&adevice->dev, &dev_attr_camera_power); - - for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) - ideapad_unregister_rfkill(adevice, i); - - dev_set_drvdata(&adevice->dev, NULL); - kfree(priv); - return 0; -} - -static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) -{ - acpi_handle handle = adevice->handle; - unsigned long vpc1, vpc2, vpc_bit; - - if (read_ec_data(handle, 0x10, &vpc1)) - return; - if (read_ec_data(handle, 0x1A, &vpc2)) - return; - - vpc1 = (vpc2 << 8) | vpc1; - for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) { - if (test_bit(vpc_bit, &vpc1)) { - if (vpc_bit == 9) - ideapad_sync_rfk_state(adevice); - } - } -} - -static struct acpi_driver ideapad_acpi_driver = { - .name = "ideapad_acpi", - .class = "IdeaPad", - .ids = ideapad_device_ids, - .ops.add = ideapad_acpi_add, - .ops.remove = ideapad_acpi_remove, - .ops.notify = ideapad_acpi_notify, - .owner = THIS_MODULE, -}; - - -static int __init ideapad_acpi_module_init(void) -{ - acpi_bus_register_driver(&ideapad_acpi_driver); - - return 0; -} - - -static void __exit ideapad_acpi_module_exit(void) -{ - acpi_bus_unregister_driver(&ideapad_acpi_driver); - -} - -MODULE_AUTHOR("David Woodhouse <dwmw2@xxxxxxxxxxxxx>"); -MODULE_DESCRIPTION("IdeaPad ACPI Extras"); -MODULE_LICENSE("GPL"); - -module_init(ideapad_acpi_module_init); -module_exit(ideapad_acpi_module_exit); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
