Loading Documentation/kernel-parameters.txt +2 −1 Original line number Diff line number Diff line Loading @@ -126,7 +126,8 @@ and is between 256 and 4096 characters. It is defined in the file See header of drivers/scsi/53c7xx.c. See also Documentation/scsi/ncr53c7xx.txt. acpi= [HW,ACPI] Advanced Configuration and Power Interface acpi= [HW,ACPI,X86-64,i386] Advanced Configuration and Power Interface Format: { force | off | ht | strict | noirq } force -- enable ACPI if default was off off -- disable ACPI if default was on Loading drivers/acpi/Kconfig +1 −0 Original line number Diff line number Diff line Loading @@ -7,6 +7,7 @@ menu "ACPI (Advanced Configuration and Power Interface) Support" depends on !X86_VISWS depends on !IA64_HP_SIM depends on IA64 || X86 depends on PM config ACPI bool "ACPI Support" Loading drivers/acpi/blacklist.c +8 −2 Original line number Diff line number Diff line Loading @@ -79,11 +79,17 @@ static int __init blacklist_by_year(void) { int year = dmi_get_year(DMI_BIOS_DATE); /* Doesn't exist? Likely an old system */ if (year == -1) if (year == -1) { printk(KERN_ERR PREFIX "no DMI BIOS year, " "acpi=force is required to enable ACPI\n" ); return 1; } /* 0? Likely a buggy new BIOS */ if (year == 0) if (year == 0) { printk(KERN_ERR PREFIX "DMI BIOS year==0, " "assuming ACPI-capable machine\n" ); return 0; } if (year < CONFIG_ACPI_BLACKLIST_YEAR) { printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), " "acpi=force is required to enable ACPI\n", Loading drivers/acpi/power.c +0 −7 Original line number Diff line number Diff line Loading @@ -688,13 +688,6 @@ static int acpi_power_resume(struct acpi_device *device) return result; mutex_lock(&resource->resource_lock); if ((resource->state == ACPI_POWER_RESOURCE_STATE_ON) && list_empty(&resource->reference)) { mutex_unlock(&resource->resource_lock); result = acpi_power_off_device(device->handle, NULL); return result; } if ((resource->state == ACPI_POWER_RESOURCE_STATE_OFF) && !list_empty(&resource->reference)) { ref = container_of(resource->reference.next, struct acpi_power_reference, node); Loading drivers/acpi/video.c +19 −19 Original line number Diff line number Diff line Loading @@ -102,9 +102,9 @@ struct acpi_video_bus_cap { struct acpi_video_device_attrib { u32 display_index:4; /* A zero-based instance of the Display */ u32 display_port_attachment:4; /*This field differenates displays type */ u32 display_port_attachment:4; /*This field differentiates the display type */ u32 display_type:4; /*Describe the specific type in use */ u32 vendor_specific:4; /*Chipset Vendor Specifi */ u32 vendor_specific:4; /*Chipset Vendor Specific */ u32 bios_can_detect:1; /*BIOS can detect the device */ u32 depend_on_vga:1; /*Non-VGA output device whose power is related to the VGA device. */ Loading Loading @@ -484,16 +484,16 @@ acpi_video_bus_POST_options(struct acpi_video_bus *video, * 0. The system BIOS should NOT automatically switch(toggle) * the active display output. * 1. The system BIOS should automatically switch (toggle) the * active display output. No swich event. * active display output. No switch event. * 2. The _DGS value should be locked. * 3. The system BIOS should not automatically switch (toggle) the * active display output, but instead generate the display switch * event notify code. * lcd_flag : * 0. The system BIOS should automatically control the brightness level * of the LCD, when the power changes from AC to DC * of the LCD when the power changes from AC to DC * 1. The system BIOS should NOT automatically control the brightness * level of the LCD, when the power changes from AC to DC. * level of the LCD when the power changes from AC to DC. * Return Value: * -1 wrong arg. */ Loading Loading @@ -525,7 +525,7 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) * Return Value: * None * * Find out all required AML method defined under the output * Find out all required AML methods defined under the output * device. */ Loading Loading @@ -636,7 +636,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) * Return Value: * None * * Find out all required AML method defined under the video bus device. * Find out all required AML methods defined under the video bus device. */ static void acpi_video_bus_find_cap(struct acpi_video_bus *video) Loading Loading @@ -681,19 +681,19 @@ static int acpi_video_bus_check(struct acpi_video_bus *video) * to check well known required nodes. */ /* Does this device able to support video switching ? */ /* Does this device support video switching? */ if (video->cap._DOS) { video->flags.multihead = 1; status = 0; } /* Does this device able to retrieve a retrieve a video ROM ? */ /* Does this device support retrieving a video ROM? */ if (video->cap._ROM) { video->flags.rom = 1; status = 0; } /* Does this device able to configure which video device to POST ? */ /* Does this device support configuring which video device to POST? */ if (video->cap._GPD && video->cap._SPD && video->cap._VPO) { video->flags.post = 1; status = 0; Loading Loading @@ -860,7 +860,7 @@ acpi_video_device_write_brightness(struct file *file, if (level > 100) return -EFAULT; /* validate though the list of available levels */ /* validate through the list of available levels */ for (i = 0; i < dev->brightness->count; i++) if (level == dev->brightness->levels[i]) { if (ACPI_SUCCESS Loading Loading @@ -1065,10 +1065,10 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) printk(KERN_WARNING PREFIX "The motherboard VGA device is not listed as a possible POST device.\n"); printk(KERN_WARNING PREFIX "This indicate a BIOS bug. Please contact the manufacturer.\n"); "This indicates a BIOS bug. Please contact the manufacturer.\n"); } printk("%lx\n", options); seq_printf(seq, "can POST: <intgrated video>"); seq_printf(seq, "can POST: <integrated video>"); if (options & 2) seq_printf(seq, " <PCI video>"); if (options & 4) Loading Loading @@ -1102,7 +1102,7 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "<not supported>\n"); goto end; } seq_printf(seq, "device posted is <%s>\n", device_decode[id & 3]); seq_printf(seq, "device POSTed is <%s>\n", device_decode[id & 3]); end: return 0; Loading Loading @@ -1156,7 +1156,7 @@ acpi_video_bus_write_POST(struct file *file, if (opt > 3) return -EFAULT; /* just in case an OEM 'forget' the motherboard... */ /* just in case an OEM 'forgot' the motherboard... */ options |= 1; if (options & (1ul << opt)) { Loading Loading @@ -1527,13 +1527,13 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) /* * Arg: * video : video bus device * event : Nontify Event * event : notify event * * Return: * < 0 : error * * 1. Find out the current active output device. * 2. Identify the next output device to switch * 2. Identify the next output device to switch to. * 3. call _DSS to do actual switch. */ Loading Loading @@ -1723,12 +1723,12 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) device = video->device; switch (event) { case ACPI_VIDEO_NOTIFY_SWITCH: /* User request that a switch occur, case ACPI_VIDEO_NOTIFY_SWITCH: /* User requested a switch, * most likely via hotkey. */ acpi_bus_generate_event(device, event, 0); break; case ACPI_VIDEO_NOTIFY_PROBE: /* User plug or remove a video case ACPI_VIDEO_NOTIFY_PROBE: /* User plugged in or removed a video * connector. */ acpi_video_device_enumerate(video); acpi_video_device_rebind(video); Loading Loading
Documentation/kernel-parameters.txt +2 −1 Original line number Diff line number Diff line Loading @@ -126,7 +126,8 @@ and is between 256 and 4096 characters. It is defined in the file See header of drivers/scsi/53c7xx.c. See also Documentation/scsi/ncr53c7xx.txt. acpi= [HW,ACPI] Advanced Configuration and Power Interface acpi= [HW,ACPI,X86-64,i386] Advanced Configuration and Power Interface Format: { force | off | ht | strict | noirq } force -- enable ACPI if default was off off -- disable ACPI if default was on Loading
drivers/acpi/Kconfig +1 −0 Original line number Diff line number Diff line Loading @@ -7,6 +7,7 @@ menu "ACPI (Advanced Configuration and Power Interface) Support" depends on !X86_VISWS depends on !IA64_HP_SIM depends on IA64 || X86 depends on PM config ACPI bool "ACPI Support" Loading
drivers/acpi/blacklist.c +8 −2 Original line number Diff line number Diff line Loading @@ -79,11 +79,17 @@ static int __init blacklist_by_year(void) { int year = dmi_get_year(DMI_BIOS_DATE); /* Doesn't exist? Likely an old system */ if (year == -1) if (year == -1) { printk(KERN_ERR PREFIX "no DMI BIOS year, " "acpi=force is required to enable ACPI\n" ); return 1; } /* 0? Likely a buggy new BIOS */ if (year == 0) if (year == 0) { printk(KERN_ERR PREFIX "DMI BIOS year==0, " "assuming ACPI-capable machine\n" ); return 0; } if (year < CONFIG_ACPI_BLACKLIST_YEAR) { printk(KERN_ERR PREFIX "BIOS age (%d) fails cutoff (%d), " "acpi=force is required to enable ACPI\n", Loading
drivers/acpi/power.c +0 −7 Original line number Diff line number Diff line Loading @@ -688,13 +688,6 @@ static int acpi_power_resume(struct acpi_device *device) return result; mutex_lock(&resource->resource_lock); if ((resource->state == ACPI_POWER_RESOURCE_STATE_ON) && list_empty(&resource->reference)) { mutex_unlock(&resource->resource_lock); result = acpi_power_off_device(device->handle, NULL); return result; } if ((resource->state == ACPI_POWER_RESOURCE_STATE_OFF) && !list_empty(&resource->reference)) { ref = container_of(resource->reference.next, struct acpi_power_reference, node); Loading
drivers/acpi/video.c +19 −19 Original line number Diff line number Diff line Loading @@ -102,9 +102,9 @@ struct acpi_video_bus_cap { struct acpi_video_device_attrib { u32 display_index:4; /* A zero-based instance of the Display */ u32 display_port_attachment:4; /*This field differenates displays type */ u32 display_port_attachment:4; /*This field differentiates the display type */ u32 display_type:4; /*Describe the specific type in use */ u32 vendor_specific:4; /*Chipset Vendor Specifi */ u32 vendor_specific:4; /*Chipset Vendor Specific */ u32 bios_can_detect:1; /*BIOS can detect the device */ u32 depend_on_vga:1; /*Non-VGA output device whose power is related to the VGA device. */ Loading Loading @@ -484,16 +484,16 @@ acpi_video_bus_POST_options(struct acpi_video_bus *video, * 0. The system BIOS should NOT automatically switch(toggle) * the active display output. * 1. The system BIOS should automatically switch (toggle) the * active display output. No swich event. * active display output. No switch event. * 2. The _DGS value should be locked. * 3. The system BIOS should not automatically switch (toggle) the * active display output, but instead generate the display switch * event notify code. * lcd_flag : * 0. The system BIOS should automatically control the brightness level * of the LCD, when the power changes from AC to DC * of the LCD when the power changes from AC to DC * 1. The system BIOS should NOT automatically control the brightness * level of the LCD, when the power changes from AC to DC. * level of the LCD when the power changes from AC to DC. * Return Value: * -1 wrong arg. */ Loading Loading @@ -525,7 +525,7 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) * Return Value: * None * * Find out all required AML method defined under the output * Find out all required AML methods defined under the output * device. */ Loading Loading @@ -636,7 +636,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) * Return Value: * None * * Find out all required AML method defined under the video bus device. * Find out all required AML methods defined under the video bus device. */ static void acpi_video_bus_find_cap(struct acpi_video_bus *video) Loading Loading @@ -681,19 +681,19 @@ static int acpi_video_bus_check(struct acpi_video_bus *video) * to check well known required nodes. */ /* Does this device able to support video switching ? */ /* Does this device support video switching? */ if (video->cap._DOS) { video->flags.multihead = 1; status = 0; } /* Does this device able to retrieve a retrieve a video ROM ? */ /* Does this device support retrieving a video ROM? */ if (video->cap._ROM) { video->flags.rom = 1; status = 0; } /* Does this device able to configure which video device to POST ? */ /* Does this device support configuring which video device to POST? */ if (video->cap._GPD && video->cap._SPD && video->cap._VPO) { video->flags.post = 1; status = 0; Loading Loading @@ -860,7 +860,7 @@ acpi_video_device_write_brightness(struct file *file, if (level > 100) return -EFAULT; /* validate though the list of available levels */ /* validate through the list of available levels */ for (i = 0; i < dev->brightness->count; i++) if (level == dev->brightness->levels[i]) { if (ACPI_SUCCESS Loading Loading @@ -1065,10 +1065,10 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) printk(KERN_WARNING PREFIX "The motherboard VGA device is not listed as a possible POST device.\n"); printk(KERN_WARNING PREFIX "This indicate a BIOS bug. Please contact the manufacturer.\n"); "This indicates a BIOS bug. Please contact the manufacturer.\n"); } printk("%lx\n", options); seq_printf(seq, "can POST: <intgrated video>"); seq_printf(seq, "can POST: <integrated video>"); if (options & 2) seq_printf(seq, " <PCI video>"); if (options & 4) Loading Loading @@ -1102,7 +1102,7 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "<not supported>\n"); goto end; } seq_printf(seq, "device posted is <%s>\n", device_decode[id & 3]); seq_printf(seq, "device POSTed is <%s>\n", device_decode[id & 3]); end: return 0; Loading Loading @@ -1156,7 +1156,7 @@ acpi_video_bus_write_POST(struct file *file, if (opt > 3) return -EFAULT; /* just in case an OEM 'forget' the motherboard... */ /* just in case an OEM 'forgot' the motherboard... */ options |= 1; if (options & (1ul << opt)) { Loading Loading @@ -1527,13 +1527,13 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) /* * Arg: * video : video bus device * event : Nontify Event * event : notify event * * Return: * < 0 : error * * 1. Find out the current active output device. * 2. Identify the next output device to switch * 2. Identify the next output device to switch to. * 3. call _DSS to do actual switch. */ Loading Loading @@ -1723,12 +1723,12 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) device = video->device; switch (event) { case ACPI_VIDEO_NOTIFY_SWITCH: /* User request that a switch occur, case ACPI_VIDEO_NOTIFY_SWITCH: /* User requested a switch, * most likely via hotkey. */ acpi_bus_generate_event(device, event, 0); break; case ACPI_VIDEO_NOTIFY_PROBE: /* User plug or remove a video case ACPI_VIDEO_NOTIFY_PROBE: /* User plugged in or removed a video * connector. */ acpi_video_device_enumerate(video); acpi_video_device_rebind(video); Loading