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WSL2-Linux-Kernel
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Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86 

Pull x86 platform driver updates from Matthew Garrett:
 "Some significant improvements for the Sony driver on newer machines,
  but other than that mostly just minor fixes and a patch to remove the
  broken rfkill code from the Dell driver."

* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (35 commits)
  apple-gmux: Fix up the suspend/resume patch
  dell-laptop: Remove rfkill code
  toshiba_acpi: Fix mis-merge
  dell-laptop: Add touchpad led support for Dell V3450
  acer-wmi: add 3 laptops to video backlight vendor mode quirk table
  sony-laptop: add touchpad enable/disable function
  sony-laptop: add missing Fn key combos for 0x100 handlers
  sony-laptop: add support for more WWAN modems
  sony-laptop: new keyboard backlight handle
  sony-laptop: add high speed battery charging function
  sony-laptop: support automatic resume on lid open
  sony-laptop: adjust error handling in finding SNC handles
  sony-laptop: add thermal profiles support
  sony-laptop: support battery care functions
  sony-laptop: additional debug statements
  sony-laptop: improve SNC initialization and acpi notify callback code
  sony-laptop: use kstrtoul to parse sysfs values
  sony-laptop: generalise ACPI calls into SNC functions
  sony-laptop: fix return path when no ACPI buffer is allocated
  sony-laptop: use soft rfkill status stored in hw
  ...
This commit is contained in:
Linus Torvalds 2012-06-01 16:51:37 -07:00
Родитель af4f8ba31a a2f01a8993
Коммит 48445159e9
11 изменённых файлов: 1430 добавлений и 643 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

24
drivers/platform/x86/acer-wmi.c
Просмотреть файл

@ -523,6 +523,30 @@ static const struct dmi_system_id video_vendor_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4750"),
},
},
{
.callback = video_set_backlight_video_vendor,
.ident = "Acer Extensa 5235",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5235"),
},
},
{
.callback = video_set_backlight_video_vendor,
.ident = "Acer TravelMate 5760",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5760"),
},
},
{
.callback = video_set_backlight_video_vendor,
.ident = "Acer Aspire 5750",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
},
},
{}
};

4
drivers/platform/x86/apple-gmux.c
Просмотреть файл

@ -87,6 +87,9 @@ static int gmux_update_status(struct backlight_device *bd)
struct apple_gmux_data *gmux_data = bl_get_data(bd);
u32 brightness = bd->props.brightness;
if (bd->props.state & BL_CORE_SUSPENDED)
return 0;
/*
* Older gmux versions require writing out lower bytes first then
* setting the upper byte to 0 to flush the values. Newer versions
@ -102,6 +105,7 @@ static int gmux_update_status(struct backlight_device *bd)
}
static const struct backlight_ops gmux_bl_ops = {
.options = BL_CORE_SUSPENDRESUME,
.get_brightness = gmux_get_brightness,
.update_status = gmux_update_status,
};

336
drivers/platform/x86/dell-laptop.c
Просмотреть файл

@ -21,7 +21,6 @@
#include <linux/err.h>
#include <linux/dmi.h>
#include <linux/io.h>
#include <linux/rfkill.h>
#include <linux/power_supply.h>
#include <linux/acpi.h>
#include <linux/mm.h>
@ -90,11 +89,8 @@ static struct platform_driver platform_driver = {
static struct platform_device *platform_device;
static struct backlight_device *dell_backlight_device;
static struct rfkill *wifi_rfkill;
static struct rfkill *bluetooth_rfkill;
static struct rfkill *wwan_rfkill;
static const struct dmi_system_id __initdata dell_device_table[] = {
static const struct dmi_system_id dell_device_table[] __initconst = {
{
.ident = "Dell laptop",
.matches = {
@ -119,53 +115,6 @@ static const struct dmi_system_id __initdata dell_device_table[] = {
};
MODULE_DEVICE_TABLE(dmi, dell_device_table);
static struct dmi_system_id __devinitdata dell_blacklist[] = {
/* Supported by compal-laptop */
{
.ident = "Dell Mini 9",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 910"),
},
},
{
.ident = "Dell Mini 10",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1010"),
},
},
{
.ident = "Dell Mini 10v",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1011"),
},
},
{
.ident = "Dell Mini 1012",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
},
},
{
.ident = "Dell Inspiron 11z",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1110"),
},
},
{
.ident = "Dell Mini 12",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1210"),
},
},
{}
};
static struct dmi_system_id __devinitdata dell_quirks[] = {
{
.callback = dmi_matched,
@ -185,6 +134,15 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
},
.driver_data = &quirk_dell_vostro_v130,
},
{
.callback = dmi_matched,
.ident = "Dell Vostro 3350",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3350"),
},
.driver_data = &quirk_dell_vostro_v130,
},
{
.callback = dmi_matched,
.ident = "Dell Vostro 3555",
@ -212,6 +170,42 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
},
.driver_data = &quirk_dell_vostro_v130,
},
{
.callback = dmi_matched,
.ident = "Dell Vostro 3360",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3360"),
},
.driver_data = &quirk_dell_vostro_v130,
},
{
.callback = dmi_matched,
.ident = "Dell Vostro 3460",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3460"),
},
.driver_data = &quirk_dell_vostro_v130,
},
{
.callback = dmi_matched,
.ident = "Dell Vostro 3560",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3560"),
},
.driver_data = &quirk_dell_vostro_v130,
},
{
.callback = dmi_matched,
.ident = "Dell Vostro 3450",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Dell System Vostro 3450"),
},
.driver_data = &quirk_dell_vostro_v130,
},
{ }
};
@ -305,94 +299,6 @@ dell_send_request(struct calling_interface_buffer *buffer, int class,
return buffer;
}
/* Derived from information in DellWirelessCtl.cpp:
Class 17, select 11 is radio control. It returns an array of 32-bit values.
Input byte 0 = 0: Wireless information
result[0]: return code
result[1]:
Bit 0: Hardware switch supported
Bit 1: Wifi locator supported
Bit 2: Wifi is supported
Bit 3: Bluetooth is supported
Bit 4: WWAN is supported
Bit 5: Wireless keyboard supported
Bits 6-7: Reserved
Bit 8: Wifi is installed
Bit 9: Bluetooth is installed
Bit 10: WWAN is installed
Bits 11-15: Reserved
Bit 16: Hardware switch is on
Bit 17: Wifi is blocked
Bit 18: Bluetooth is blocked
Bit 19: WWAN is blocked
Bits 20-31: Reserved
result[2]: NVRAM size in bytes
result[3]: NVRAM format version number
Input byte 0 = 2: Wireless switch configuration
result[0]: return code
result[1]:
Bit 0: Wifi controlled by switch
Bit 1: Bluetooth controlled by switch
Bit 2: WWAN controlled by switch
Bits 3-6: Reserved
Bit 7: Wireless switch config locked
Bit 8: Wifi locator enabled
Bits 9-14: Reserved
Bit 15: Wifi locator setting locked
Bits 16-31: Reserved
*/
static int dell_rfkill_set(void *data, bool blocked)
{
int disable = blocked ? 1 : 0;
unsigned long radio = (unsigned long)data;
int hwswitch_bit = (unsigned long)data - 1;
int ret = 0;
get_buffer();
dell_send_request(buffer, 17, 11);
/* If the hardware switch controls this radio, and the hardware
switch is disabled, don't allow changing the software state */
if ((hwswitch_state & BIT(hwswitch_bit)) &&
!(buffer->output[1] & BIT(16))) {
ret = -EINVAL;
goto out;
}
buffer->input[0] = (1 | (radio<<8) | (disable << 16));
dell_send_request(buffer, 17, 11);
out:
release_buffer();
return ret;
}
static void dell_rfkill_query(struct rfkill *rfkill, void *data)
{
int status;
int bit = (unsigned long)data + 16;
int hwswitch_bit = (unsigned long)data - 1;
get_buffer();
dell_send_request(buffer, 17, 11);
status = buffer->output[1];
release_buffer();
rfkill_set_sw_state(rfkill, !!(status & BIT(bit)));
if (hwswitch_state & (BIT(hwswitch_bit)))
rfkill_set_hw_state(rfkill, !(status & BIT(16)));
}
static const struct rfkill_ops dell_rfkill_ops = {
.set_block = dell_rfkill_set,
.query = dell_rfkill_query,
};
static struct dentry *dell_laptop_dir;
static int dell_debugfs_show(struct seq_file *s, void *data)
@ -462,108 +368,6 @@ static const struct file_operations dell_debugfs_fops = {
.release = single_release,
};
static void dell_update_rfkill(struct work_struct *ignored)
{
if (wifi_rfkill)
dell_rfkill_query(wifi_rfkill, (void *)1);
if (bluetooth_rfkill)
dell_rfkill_query(bluetooth_rfkill, (void *)2);
if (wwan_rfkill)
dell_rfkill_query(wwan_rfkill, (void *)3);
}
static DECLARE_DELAYED_WORK(dell_rfkill_work, dell_update_rfkill);
static int __init dell_setup_rfkill(void)
{
int status;
int ret;
if (dmi_check_system(dell_blacklist)) {
pr_info("Blacklisted hardware detected - not enabling rfkill\n");
return 0;
}
get_buffer();
dell_send_request(buffer, 17, 11);
status = buffer->output[1];
buffer->input[0] = 0x2;
dell_send_request(buffer, 17, 11);
hwswitch_state = buffer->output[1];
release_buffer();
if ((status & (1<<2|1<<8)) == (1<<2|1<<8)) {
wifi_rfkill = rfkill_alloc("dell-wifi", &platform_device->dev,
RFKILL_TYPE_WLAN,
&dell_rfkill_ops, (void *) 1);
if (!wifi_rfkill) {
ret = -ENOMEM;
goto err_wifi;
}
ret = rfkill_register(wifi_rfkill);
if (ret)
goto err_wifi;
}
if ((status & (1<<3|1<<9)) == (1<<3|1<<9)) {
bluetooth_rfkill = rfkill_alloc("dell-bluetooth",
&platform_device->dev,
RFKILL_TYPE_BLUETOOTH,
&dell_rfkill_ops, (void *) 2);
if (!bluetooth_rfkill) {
ret = -ENOMEM;
goto err_bluetooth;
}
ret = rfkill_register(bluetooth_rfkill);
if (ret)
goto err_bluetooth;
}
if ((status & (1<<4|1<<10)) == (1<<4|1<<10)) {
wwan_rfkill = rfkill_alloc("dell-wwan",
&platform_device->dev,
RFKILL_TYPE_WWAN,
&dell_rfkill_ops, (void *) 3);
if (!wwan_rfkill) {
ret = -ENOMEM;
goto err_wwan;
}
ret = rfkill_register(wwan_rfkill);
if (ret)
goto err_wwan;
}
return 0;
err_wwan:
rfkill_destroy(wwan_rfkill);
if (bluetooth_rfkill)
rfkill_unregister(bluetooth_rfkill);
err_bluetooth:
rfkill_destroy(bluetooth_rfkill);
if (wifi_rfkill)
rfkill_unregister(wifi_rfkill);
err_wifi:
rfkill_destroy(wifi_rfkill);
return ret;
}
static void dell_cleanup_rfkill(void)
{
if (wifi_rfkill) {
rfkill_unregister(wifi_rfkill);
rfkill_destroy(wifi_rfkill);
}
if (bluetooth_rfkill) {
rfkill_unregister(bluetooth_rfkill);
rfkill_destroy(bluetooth_rfkill);
}
if (wwan_rfkill) {
rfkill_unregister(wwan_rfkill);
rfkill_destroy(wwan_rfkill);
}
}
static int dell_send_intensity(struct backlight_device *bd)
{
int ret = 0;
@ -655,30 +459,6 @@ static void touchpad_led_exit(void)
led_classdev_unregister(&touchpad_led);
}
static bool dell_laptop_i8042_filter(unsigned char data, unsigned char str,
struct serio *port)
{
static bool extended;
if (str & 0x20)
return false;
if (unlikely(data == 0xe0)) {
extended = true;
return false;
} else if (unlikely(extended)) {
switch (data) {
case 0x8:
schedule_delayed_work(&dell_rfkill_work,
round_jiffies_relative(HZ));
break;
}
extended = false;
}
return false;
}
static int __init dell_init(void)
{
int max_intensity = 0;
@ -720,26 +500,10 @@ static int __init dell_init(void)
goto fail_buffer;
buffer = page_address(bufferpage);
ret = dell_setup_rfkill();
if (ret) {
pr_warn("Unable to setup rfkill\n");
goto fail_rfkill;
}
ret = i8042_install_filter(dell_laptop_i8042_filter);
if (ret) {
pr_warn("Unable to install key filter\n");
goto fail_filter;
}
if (quirks && quirks->touchpad_led)
touchpad_led_init(&platform_device->dev);
dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL);
if (dell_laptop_dir != NULL)
debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
&dell_debugfs_fops);
#ifdef CONFIG_ACPI
/* In the event of an ACPI backlight being available, don't
@ -782,11 +546,6 @@ static int __init dell_init(void)
return 0;
fail_backlight:
i8042_remove_filter(dell_laptop_i8042_filter);
cancel_delayed_work_sync(&dell_rfkill_work);
fail_filter:
dell_cleanup_rfkill();
fail_rfkill:
free_page((unsigned long)bufferpage);
fail_buffer:
platform_device_del(platform_device);
@ -804,10 +563,7 @@ static void __exit dell_exit(void)
debugfs_remove_recursive(dell_laptop_dir);
if (quirks && quirks->touchpad_led)
touchpad_led_exit();
i8042_remove_filter(dell_laptop_i8042_filter);
cancel_delayed_work_sync(&dell_rfkill_work);
backlight_device_unregister(dell_backlight_device);
dell_cleanup_rfkill();
if (platform_device) {
platform_device_unregister(platform_device);
platform_driver_unregister(&platform_driver);

34
drivers/platform/x86/fujitsu-tablet.c
Просмотреть файл

@ -16,6 +16,8 @@
* 59 Temple Place Suite 330, Boston, MA 02111-1307, USA.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@ -34,7 +36,8 @@
#define ACPI_FUJITSU_CLASS "fujitsu"
#define INVERT_TABLET_MODE_BIT 0x01
#define FORCE_TABLET_MODE_IF_UNDOCK 0x02
#define INVERT_DOCK_STATE_BIT 0x02
#define FORCE_TABLET_MODE_IF_UNDOCK 0x04
#define KEYMAP_LEN 16
@ -161,6 +164,8 @@ static void fujitsu_send_state(void)
state = fujitsu_read_register(0xdd);
dock = state & 0x02;
if (fujitsu.config.quirks & INVERT_DOCK_STATE_BIT)
dock = !dock;
if ((fujitsu.config.quirks & FORCE_TABLET_MODE_IF_UNDOCK) && (!dock)) {
tablet_mode = 1;
@ -221,9 +226,6 @@ static int __devinit input_fujitsu_setup(struct device *parent,
input_set_capability(idev, EV_SW, SW_DOCK);
input_set_capability(idev, EV_SW, SW_TABLET_MODE);
input_set_capability(idev, EV_SW, SW_DOCK);
input_set_capability(idev, EV_SW, SW_TABLET_MODE);
error = input_register_device(idev);
if (error) {
input_free_device(idev);
@ -275,25 +277,31 @@ static irqreturn_t fujitsu_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
static int __devinit fujitsu_dmi_default(const struct dmi_system_id *dmi)
static void __devinit fujitsu_dmi_common(const struct dmi_system_id *dmi)
{
printk(KERN_INFO MODULENAME ": %s\n", dmi->ident);
pr_info("%s\n", dmi->ident);
memcpy(fujitsu.config.keymap, dmi->driver_data,
sizeof(fujitsu.config.keymap));
}
static int __devinit fujitsu_dmi_lifebook(const struct dmi_system_id *dmi)
{
fujitsu_dmi_common(dmi);
fujitsu.config.quirks |= INVERT_TABLET_MODE_BIT;
return 1;
}
static int __devinit fujitsu_dmi_stylistic(const struct dmi_system_id *dmi)
{
fujitsu_dmi_default(dmi);
fujitsu_dmi_common(dmi);
fujitsu.config.quirks |= FORCE_TABLET_MODE_IF_UNDOCK;
fujitsu.config.quirks |= INVERT_TABLET_MODE_BIT;
fujitsu.config.quirks |= INVERT_DOCK_STATE_BIT;
return 1;
}
static struct dmi_system_id dmi_ids[] __initconst = {
{
.callback = fujitsu_dmi_default,
.callback = fujitsu_dmi_lifebook,
.ident = "Fujitsu Siemens P/T Series",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
@ -302,7 +310,7 @@ static struct dmi_system_id dmi_ids[] __initconst = {
.driver_data = keymap_Lifebook_Tseries
},
{
.callback = fujitsu_dmi_default,
.callback = fujitsu_dmi_lifebook,
.ident = "Fujitsu Lifebook T Series",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
@ -320,7 +328,7 @@ static struct dmi_system_id dmi_ids[] __initconst = {
.driver_data = keymap_Stylistic_Tseries
},
{
.callback = fujitsu_dmi_default,
.callback = fujitsu_dmi_lifebook,
.ident = "Fujitsu LifeBook U810",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
@ -347,7 +355,7 @@ static struct dmi_system_id dmi_ids[] __initconst = {
.driver_data = keymap_Stylistic_ST5xxx
},
{
.callback = fujitsu_dmi_default,
.callback = fujitsu_dmi_lifebook,
.ident = "Unknown (using defaults)",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, ""),
@ -473,6 +481,6 @@ module_exit(fujitsu_module_exit);
MODULE_AUTHOR("Robert Gerlach <khnz@gmx.de>");
MODULE_DESCRIPTION("Fujitsu tablet pc extras driver");
MODULE_LICENSE("GPL");
MODULE_VERSION("2.4");
MODULE_VERSION("2.5");
MODULE_DEVICE_TABLE(acpi, fujitsu_ids);

2
drivers/platform/x86/hdaps.c
Просмотреть файл

@ -2,7 +2,7 @@
* hdaps.c - driver for IBM's Hard Drive Active Protection System
*
* Copyright (C) 2005 Robert Love <rml@novell.com>
* Copyright (C) 2005 Jesper Juhl <jesper.juhl@gmail.com>
* Copyright (C) 2005 Jesper Juhl <jj@chaosbits.net>
*
* The HardDisk Active Protection System (hdaps) is present in IBM ThinkPads
* starting with the R40, T41, and X40. It provides a basic two-axis

10
drivers/platform/x86/hp-wmi.c
Просмотреть файл

@ -634,6 +634,8 @@ static int __devinit hp_wmi_rfkill_setup(struct platform_device *device)
RFKILL_TYPE_WLAN,
&hp_wmi_rfkill_ops,
(void *) HPWMI_WIFI);
if (!wifi_rfkill)
return -ENOMEM;
rfkill_init_sw_state(wifi_rfkill,
hp_wmi_get_sw_state(HPWMI_WIFI));
rfkill_set_hw_state(wifi_rfkill,
@ -648,6 +650,10 @@ static int __devinit hp_wmi_rfkill_setup(struct platform_device *device)
RFKILL_TYPE_BLUETOOTH,
&hp_wmi_rfkill_ops,
(void *) HPWMI_BLUETOOTH);
if (!bluetooth_rfkill) {
err = -ENOMEM;
goto register_wifi_error;
}
rfkill_init_sw_state(bluetooth_rfkill,
hp_wmi_get_sw_state(HPWMI_BLUETOOTH));
rfkill_set_hw_state(bluetooth_rfkill,
@ -662,6 +668,10 @@ static int __devinit hp_wmi_rfkill_setup(struct platform_device *device)
RFKILL_TYPE_WWAN,
&hp_wmi_rfkill_ops,
(void *) HPWMI_WWAN);
if (!wwan_rfkill) {
err = -ENOMEM;
goto register_bluetooth_error;
}
rfkill_init_sw_state(wwan_rfkill,
hp_wmi_get_sw_state(HPWMI_WWAN));
rfkill_set_hw_state(wwan_rfkill,

9
drivers/platform/x86/ideapad-laptop.c
Просмотреть файл

@ -194,7 +194,6 @@ static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data)
/*
* debugfs
*/
#define DEBUGFS_EVENT_LEN (4096)
static int debugfs_status_show(struct seq_file *s, void *data)
{
unsigned long value;
@ -315,7 +314,7 @@ static int __devinit ideapad_debugfs_init(struct ideapad_private *priv)
node = debugfs_create_file("status", S_IRUGO, priv->debug, NULL,
&debugfs_status_fops);
if (!node) {
pr_err("failed to create event in debugfs");
pr_err("failed to create status in debugfs");
goto errout;
}
@ -785,6 +784,10 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
case 9:
ideapad_sync_rfk_state(priv);
break;
case 13:
case 6:
ideapad_input_report(priv, vpc_bit);
break;
case 4:
ideapad_backlight_notify_brightness(priv);
break;
@ -795,7 +798,7 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
ideapad_backlight_notify_power(priv);
break;
default:
ideapad_input_report(priv, vpc_bit);
pr_info("Unknown event: %lu\n", vpc_bit);
}
}
}

1480
drivers/platform/x86/sony-laptop.c
Просмотреть файл

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2
drivers/platform/x86/thinkpad_acpi.c
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@ -3402,7 +3402,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
/* Do not issue duplicate brightness change events to
* userspace. tpacpi_detect_brightness_capabilities() must have
* been called before this point */
if (tp_features.bright_acpimode && acpi_video_backlight_support()) {
if (acpi_video_backlight_support()) {
pr_info("This ThinkPad has standard ACPI backlight "
"brightness control, supported by the ACPI "
"video driver\n");

139
drivers/platform/x86/toshiba_acpi.c
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@ -95,6 +95,7 @@ MODULE_LICENSE("GPL");
/* registers */
#define HCI_FAN 0x0004
#define HCI_TR_BACKLIGHT 0x0005
#define HCI_SYSTEM_EVENT 0x0016
#define HCI_VIDEO_OUT 0x001c
#define HCI_HOTKEY_EVENT 0x001e
@ -134,6 +135,7 @@ struct toshiba_acpi_dev {
unsigned int system_event_supported:1;
unsigned int ntfy_supported:1;
unsigned int info_supported:1;
unsigned int tr_backlight_supported:1;
struct mutex mutex;
};
@ -478,34 +480,70 @@ static const struct rfkill_ops toshiba_rfk_ops = {
.poll = bt_rfkill_poll,
};
static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, bool *enabled)
{
u32 hci_result;
u32 status;
hci_read1(dev, HCI_TR_BACKLIGHT, &status, &hci_result);
*enabled = !status;
return hci_result == HCI_SUCCESS ? 0 : -EIO;
}
static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, bool enable)
{
u32 hci_result;
u32 value = !enable;
hci_write1(dev, HCI_TR_BACKLIGHT, value, &hci_result);
return hci_result == HCI_SUCCESS ? 0 : -EIO;
}
static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ;
static int get_lcd(struct backlight_device *bd)
static int __get_lcd_brightness(struct toshiba_acpi_dev *dev)
{
struct toshiba_acpi_dev *dev = bl_get_data(bd);
u32 hci_result;
u32 value;
int brightness = 0;
if (dev->tr_backlight_supported) {
bool enabled;
int ret = get_tr_backlight_status(dev, &enabled);
if (ret)
return ret;
if (enabled)
return 0;
brightness++;
}
hci_read1(dev, HCI_LCD_BRIGHTNESS, &value, &hci_result);
if (hci_result == HCI_SUCCESS)
return (value >> HCI_LCD_BRIGHTNESS_SHIFT);
return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT);
return -EIO;
}
static int get_lcd_brightness(struct backlight_device *bd)
{
struct toshiba_acpi_dev *dev = bl_get_data(bd);
return __get_lcd_brightness(dev);
}
static int lcd_proc_show(struct seq_file *m, void *v)
{
struct toshiba_acpi_dev *dev = m->private;
int value;
int levels;
if (!dev->backlight_dev)
return -ENODEV;
value = get_lcd(dev->backlight_dev);
levels = dev->backlight_dev->props.max_brightness + 1;
value = get_lcd_brightness(dev->backlight_dev);
if (value >= 0) {
seq_printf(m, "brightness: %d\n", value);
seq_printf(m, "brightness_levels: %d\n",
HCI_LCD_BRIGHTNESS_LEVELS);
seq_printf(m, "brightness_levels: %d\n", levels);
return 0;
}
@ -518,10 +556,19 @@ static int lcd_proc_open(struct inode *inode, struct file *file)
return single_open(file, lcd_proc_show, PDE(inode)->data);
}
static int set_lcd(struct toshiba_acpi_dev *dev, int value)
static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value)
{
u32 hci_result;
if (dev->tr_backlight_supported) {
bool enable = !value;
int ret = set_tr_backlight_status(dev, enable);
if (ret)
return ret;
if (value)
value--;
}
value = value << HCI_LCD_BRIGHTNESS_SHIFT;
hci_write1(dev, HCI_LCD_BRIGHTNESS, value, &hci_result);
return hci_result == HCI_SUCCESS ? 0 : -EIO;
@ -530,7 +577,7 @@ static int set_lcd(struct toshiba_acpi_dev *dev, int value)
static int set_lcd_status(struct backlight_device *bd)
{
struct toshiba_acpi_dev *dev = bl_get_data(bd);
return set_lcd(dev, bd->props.brightness);
return set_lcd_brightness(dev, bd->props.brightness);
}
static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
@ -541,6 +588,7 @@ static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
size_t len;
int value;
int ret;
int levels = dev->backlight_dev->props.max_brightness + 1;
len = min(count, sizeof(cmd) - 1);
if (copy_from_user(cmd, buf, len))
@ -548,8 +596,8 @@ static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
cmd[len] = '\0';
if (sscanf(cmd, " brightness : %i", &value) == 1 &&
value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
ret = set_lcd(dev, value);
value >= 0 && value < levels) {
ret = set_lcd_brightness(dev, value);
if (ret == 0)
ret = count;
} else {
@ -860,7 +908,8 @@ static void remove_toshiba_proc_entries(struct toshiba_acpi_dev *dev)
}
static const struct backlight_ops toshiba_backlight_data = {
.get_brightness = get_lcd,
.options = BL_CORE_SUSPENDRESUME,
.get_brightness = get_lcd_brightness,
.update_status = set_lcd_status,
};
@ -1020,6 +1069,56 @@ static int __devinit toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
return error;
}
static int __devinit toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev)
{
struct backlight_properties props;
int brightness;
int ret;
bool enabled;
/*
* Some machines don't support the backlight methods at all, and
* others support it read-only. Either of these is pretty useless,
* so only register the backlight device if the backlight method
* supports both reads and writes.
*/
brightness = __get_lcd_brightness(dev);
if (brightness < 0)
return 0;
ret = set_lcd_brightness(dev, brightness);
if (ret) {
pr_debug("Backlight method is read-only, disabling backlight support\n");
return 0;
}
/* Determine whether or not BIOS supports transflective backlight */
ret = get_tr_backlight_status(dev, &enabled);
dev->tr_backlight_supported = !ret;
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
/* adding an extra level and having 0 change to transflective mode */
if (dev->tr_backlight_supported)
props.max_brightness++;
dev->backlight_dev = backlight_device_register("toshiba",
&dev->acpi_dev->dev,
dev,
&toshiba_backlight_data,
&props);
if (IS_ERR(dev->backlight_dev)) {
ret = PTR_ERR(dev->backlight_dev);
pr_err("Could not register toshiba backlight device\n");
dev->backlight_dev = NULL;
return ret;
}
dev->backlight_dev->props.brightness = brightness;
return 0;
}
static int toshiba_acpi_remove(struct acpi_device *acpi_dev, int type)
{
struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
@ -1078,7 +1177,6 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
u32 dummy;
bool bt_present;
int ret = 0;
struct backlight_properties props;
if (toshiba_acpi)
return -EBUSY;
@ -1104,22 +1202,9 @@ static int __devinit toshiba_acpi_add(struct acpi_device *acpi_dev)
mutex_init(&dev->mutex);
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
dev->backlight_dev = backlight_device_register("toshiba",
&acpi_dev->dev,
dev,
&toshiba_backlight_data,
&props);
if (IS_ERR(dev->backlight_dev)) {
ret = PTR_ERR(dev->backlight_dev);
pr_err("Could not register toshiba backlight device\n");
dev->backlight_dev = NULL;
ret = toshiba_acpi_setup_backlight(dev);
if (ret)
goto error;
}
dev->backlight_dev->props.brightness = get_lcd(dev->backlight_dev);
/* Register rfkill switch for Bluetooth */
if (hci_get_bt_present(dev, &bt_present) == HCI_SUCCESS && bt_present) {

13
drivers/platform/x86/xo1-rfkill.c
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@ -15,15 +15,26 @@
#include <asm/olpc.h>
static bool card_blocked;
static int rfkill_set_block(void *data, bool blocked)
{
unsigned char cmd;
int r;
if (blocked == card_blocked)
return 0;
if (blocked)
cmd = EC_WLAN_ENTER_RESET;
else
cmd = EC_WLAN_LEAVE_RESET;
return olpc_ec_cmd(cmd, NULL, 0, NULL, 0);
r = olpc_ec_cmd(cmd, NULL, 0, NULL, 0);
if (r == 0)
card_blocked = blocked;
return r;
}
static const struct rfkill_ops rfkill_ops = {