aboutsummaryrefslogtreecommitdiff
path: root/drivers/misc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/Kconfig4
-rw-r--r--drivers/misc/acer-wmi.c6
-rw-r--r--drivers/misc/asus-laptop.c10
-rw-r--r--drivers/misc/compal-laptop.c12
-rw-r--r--drivers/misc/eeepc-laptop.c12
-rw-r--r--drivers/misc/fujitsu-laptop.c43
-rw-r--r--drivers/misc/intel_menlow.c10
-rw-r--r--drivers/misc/msi-laptop.c16
-rw-r--r--drivers/misc/sony-laptop.c6
-rw-r--r--drivers/misc/thinkpad_acpi.c29
10 files changed, 104 insertions, 44 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 9494400e8fd..4494ad27cbf 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -230,7 +230,7 @@ config HP_WMI
config MSI_LAPTOP
tristate "MSI Laptop Extras"
depends on X86
- depends on ACPI_EC
+ depends on ACPI
depends on BACKLIGHT_CLASS_DEVICE
---help---
This is a driver for laptops built by MSI (MICRO-STAR
@@ -260,7 +260,7 @@ config PANASONIC_LAPTOP
config COMPAL_LAPTOP
tristate "Compal Laptop Extras"
depends on X86
- depends on ACPI_EC
+ depends on ACPI
depends on BACKLIGHT_CLASS_DEVICE
---help---
This is a driver for laptops built by Compal:
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index 0532a2de2ce..94c9f911824 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -1297,6 +1297,12 @@ static int __init acer_wmi_init(void)
set_quirks();
+ if (!acpi_video_backlight_support() && has_cap(ACER_CAP_BRIGHTNESS)) {
+ interface->capability &= ~ACER_CAP_BRIGHTNESS;
+ printk(ACER_INFO "Brightness must be controlled by "
+ "generic video driver\n");
+ }
+
if (platform_driver_register(&acer_platform_driver)) {
printk(ACER_ERR "Unable to register platform driver.\n");
goto error_platform_register;
diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c
index a9d5228724a..8fb8b359104 100644
--- a/drivers/misc/asus-laptop.c
+++ b/drivers/misc/asus-laptop.c
@@ -1208,9 +1208,13 @@ static int __init asus_laptop_init(void)
dev = acpi_get_physical_device(hotk->device->handle);
- result = asus_backlight_init(dev);
- if (result)
- goto fail_backlight;
+ if (!acpi_video_backlight_support()) {
+ result = asus_backlight_init(dev);
+ if (result)
+ goto fail_backlight;
+ } else
+ printk(ASUS_INFO "Brightness ignored, must be controlled by "
+ "ACPI video driver\n");
result = asus_led_init(dev);
if (result)
diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c
index 344b790a625..11003bba10d 100644
--- a/drivers/misc/compal-laptop.c
+++ b/drivers/misc/compal-laptop.c
@@ -326,12 +326,14 @@ static int __init compal_init(void)
/* Register backlight stuff */
- compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
- &compalbl_ops);
- if (IS_ERR(compalbl_device))
- return PTR_ERR(compalbl_device);
+ if (!acpi_video_backlight_support()) {
+ compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
+ &compalbl_ops);
+ if (IS_ERR(compalbl_device))
+ return PTR_ERR(compalbl_device);
- compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
+ compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
+ }
ret = platform_driver_register(&compal_driver);
if (ret)
diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c
index 9ef98b2d503..02fe2b8b893 100644
--- a/drivers/misc/eeepc-laptop.c
+++ b/drivers/misc/eeepc-laptop.c
@@ -825,9 +825,15 @@ static int __init eeepc_laptop_init(void)
return -ENODEV;
}
dev = acpi_get_physical_device(ehotk->device->handle);
- result = eeepc_backlight_init(dev);
- if (result)
- goto fail_backlight;
+
+ if (!acpi_video_backlight_support()) {
+ result = eeepc_backlight_init(dev);
+ if (result)
+ goto fail_backlight;
+ } else
+ printk(EEEPC_INFO "Backlight controlled by ACPI video "
+ "driver\n");
+
result = eeepc_hwmon_init(dev);
if (result)
goto fail_hwmon;
diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c
index d2cf0bfe316..a7dd3e9fb79 100644
--- a/drivers/misc/fujitsu-laptop.c
+++ b/drivers/misc/fujitsu-laptop.c
@@ -464,6 +464,14 @@ static int dmi_check_cb_s6410(const struct dmi_system_id *id)
return 0;
}
+static int dmi_check_cb_s6420(const struct dmi_system_id *id)
+{
+ dmi_check_cb_common(id);
+ fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */
+ fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */
+ return 0;
+}
+
static int dmi_check_cb_p8010(const struct dmi_system_id *id)
{
dmi_check_cb_common(id);
@@ -473,7 +481,7 @@ static int dmi_check_cb_p8010(const struct dmi_system_id *id)
return 0;
}
-static struct dmi_system_id __initdata fujitsu_dmi_table[] = {
+static struct dmi_system_id fujitsu_dmi_table[] = {
{
.ident = "Fujitsu Siemens S6410",
.matches = {
@@ -482,6 +490,13 @@ static struct dmi_system_id __initdata fujitsu_dmi_table[] = {
},
.callback = dmi_check_cb_s6410},
{
+ .ident = "Fujitsu Siemens S6420",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"),
+ },
+ .callback = dmi_check_cb_s6420},
+ {
.ident = "Fujitsu LifeBook P8010",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
@@ -990,16 +1005,16 @@ static int __init fujitsu_init(void)
/* Register backlight stuff */
- fujitsu->bl_device =
- backlight_device_register("fujitsu-laptop", NULL, NULL,
- &fujitsubl_ops);
- if (IS_ERR(fujitsu->bl_device))
- return PTR_ERR(fujitsu->bl_device);
-
- max_brightness = fujitsu->max_brightness;
-
- fujitsu->bl_device->props.max_brightness = max_brightness - 1;
- fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
+ if (!acpi_video_backlight_support()) {
+ fujitsu->bl_device =
+ backlight_device_register("fujitsu-laptop", NULL, NULL,
+ &fujitsubl_ops);
+ if (IS_ERR(fujitsu->bl_device))
+ return PTR_ERR(fujitsu->bl_device);
+ max_brightness = fujitsu->max_brightness;
+ fujitsu->bl_device->props.max_brightness = max_brightness - 1;
+ fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
+ }
ret = platform_driver_register(&fujitsupf_driver);
if (ret)
@@ -1035,7 +1050,8 @@ fail_hotkey:
fail_backlight:
- backlight_device_unregister(fujitsu->bl_device);
+ if (fujitsu->bl_device)
+ backlight_device_unregister(fujitsu->bl_device);
fail_platform_device2:
@@ -1062,7 +1078,8 @@ static void __exit fujitsu_cleanup(void)
&fujitsupf_attribute_group);
platform_device_unregister(fujitsu->pf_device);
platform_driver_unregister(&fujitsupf_driver);
- backlight_device_unregister(fujitsu->bl_device);
+ if (fujitsu->bl_device)
+ backlight_device_unregister(fujitsu->bl_device);
acpi_bus_unregister_driver(&acpi_fujitsu_driver);
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index e00a2756e97..27b7662955b 100644
--- a/drivers/misc/intel_menlow.c
+++ b/drivers/misc/intel_menlow.c
@@ -52,6 +52,11 @@ MODULE_LICENSE("GPL");
#define MEMORY_ARG_CUR_BANDWIDTH 1
#define MEMORY_ARG_MAX_BANDWIDTH 0
+/*
+ * GTHS returning 'n' would mean that [0,n-1] states are supported
+ * In that case max_cstate would be n-1
+ * GTHS returning '0' would mean that no bandwidth control states are supported
+ */
static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev,
unsigned long *max_state)
{
@@ -71,6 +76,9 @@ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev,
if (ACPI_FAILURE(status))
return -EFAULT;
+ if (!value)
+ return -EINVAL;
+
*max_state = value - 1;
return 0;
}
@@ -121,7 +129,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev,
if (memory_get_int_max_bandwidth(cdev, &max_state))
return -EFAULT;
- if (max_state < 0 || state > max_state)
+ if (state > max_state)
return -EINVAL;
arg_list.count = 1;
diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c
index de898c6938f..759763d18e4 100644
--- a/drivers/misc/msi-laptop.c
+++ b/drivers/misc/msi-laptop.c
@@ -347,12 +347,16 @@ static int __init msi_init(void)
/* Register backlight stuff */
- msibl_device = backlight_device_register("msi-laptop-bl", NULL, NULL,
- &msibl_ops);
- if (IS_ERR(msibl_device))
- return PTR_ERR(msibl_device);
-
- msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
+ if (acpi_video_backlight_support()) {
+ printk(KERN_INFO "MSI: Brightness ignored, must be controlled "
+ "by ACPI video driver\n");
+ } else {
+ msibl_device = backlight_device_register("msi-laptop-bl", NULL,
+ NULL, &msibl_ops);
+ if (IS_ERR(msibl_device))
+ return PTR_ERR(msibl_device);
+ msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
+ }
ret = platform_driver_register(&msipf_driver);
if (ret)
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 06f07e19dc7..7bcb81002dc 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -1038,7 +1038,11 @@ static int sony_nc_add(struct acpi_device *device)
goto outinput;
}
- if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) {
+ if (!acpi_video_backlight_support()) {
+ printk(KERN_INFO DRV_PFX "Sony: Brightness ignored, must be "
+ "controlled by ACPI video driver\n");
+ } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
+ &handle))) {
sony_backlight_device = backlight_device_register("sony", NULL,
NULL,
&sony_backlight_ops);
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 4db1cf9078d..7a4a26b0edd 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -4932,16 +4932,25 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
*/
b = tpacpi_check_std_acpi_brightness_support();
if (b > 0) {
- if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
- printk(TPACPI_NOTICE
- "Lenovo BIOS switched to ACPI backlight "
- "control mode\n");
- }
- if (brightness_enable > 1) {
- printk(TPACPI_NOTICE
- "standard ACPI backlight interface "
- "available, not loading native one...\n");
- return 1;
+
+ if (acpi_video_backlight_support()) {
+ if (brightness_enable > 1) {
+ printk(TPACPI_NOTICE
+ "Standard ACPI backlight interface "
+ "available, not loading native one.\n");
+ return 1;
+ } else if (brightness_enable == 1) {
+ printk(TPACPI_NOTICE
+ "Backlight control force enabled, even if standard "
+ "ACPI backlight interface is available\n");
+ }
+ } else {
+ if (brightness_enable > 1) {
+ printk(TPACPI_NOTICE
+ "Standard ACPI backlight interface not "
+ "available, thinkpad_acpi native "
+ "brightness control enabled\n");
+ }
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 05:25:33 +0000