From febf2d95a71cd594182e4b3defb0e0ffdfe61482 Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:37:56 +0200 Subject: Acer-WMI: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Acked-by: Carlos Corbacho Signed-off-by: Len Brown --- drivers/misc/acer-wmi.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/misc') diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index 0532a2de2ce4..94c9f911824e 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; -- cgit v1.2.3 From 6766fec3669d5053b987e111afb348b885237bfc Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:37:57 +0200 Subject: asus-acpi: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/asus-laptop.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/asus-laptop.c b/drivers/misc/asus-laptop.c index a9d5228724a6..8fb8b3591048 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) -- cgit v1.2.3 From 29454f17124c655236d2972dad21907e15ca294b Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:37:58 +0200 Subject: compal: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/compal-laptop.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c index 344b790a6253..11003bba10d3 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) -- cgit v1.2.3 From a2bf8c01048f855fbf65a8fc41460aef71ca39dc Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:37:59 +0200 Subject: eeepc-laptop: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/eeepc-laptop.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c index 9ef98b2d5039..02fe2b8b8939 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; -- cgit v1.2.3 From 7d5c89a615c5dae039094a3cf4a56fe6aab81765 Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:38:00 +0200 Subject: fujitsu-laptop: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/fujitsu-laptop.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c index d2cf0bfe3163..1070dc1bc18e 100644 --- a/drivers/misc/fujitsu-laptop.c +++ b/drivers/misc/fujitsu-laptop.c @@ -990,16 +990,16 @@ 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 +1035,8 @@ 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 +1063,8 @@ 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); -- cgit v1.2.3 From a598c82f39892069a8f6693459b1179fd9ef30e1 Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:38:01 +0200 Subject: msi-laptop: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/msi-laptop.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/msi-laptop.c b/drivers/misc/msi-laptop.c index de898c6938f3..759763d18e4c 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) -- cgit v1.2.3 From 540b8bb9c33935183ceb5bed466a42ad72b2af56 Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:38:02 +0200 Subject: sony-laptop: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/sony-laptop.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/misc') diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 06f07e19dc70..7bcb81002dcf 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); -- cgit v1.2.3 From 2dba1b5d87e08a294da5cdfa4d32908000e9b085 Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Fri, 1 Aug 2008 17:38:03 +0200 Subject: thinkpad_acpi: fingers off backlight if video.ko is serving this functionality Signed-off-by: Thomas Renninger Acked-by: Zhang Rui Acked-by: Henrique de Moraes Holschuh Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/misc/thinkpad_acpi.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) (limited to 'drivers/misc') diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 4db1cf9078d9..7a4a26b0edd2 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"); + } } } -- cgit v1.2.3