diff options
Diffstat (limited to 'drivers/acpi/video.c')
-rw-r--r-- | drivers/acpi/video.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 0771b434feb2..00d25b347255 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c | |||
@@ -102,9 +102,9 @@ struct acpi_video_bus_cap { | |||
102 | 102 | ||
103 | struct acpi_video_device_attrib { | 103 | struct acpi_video_device_attrib { |
104 | u32 display_index:4; /* A zero-based instance of the Display */ | 104 | u32 display_index:4; /* A zero-based instance of the Display */ |
105 | u32 display_port_attachment:4; /*This field differenates displays type */ | 105 | u32 display_port_attachment:4; /*This field differentiates the display type */ |
106 | u32 display_type:4; /*Describe the specific type in use */ | 106 | u32 display_type:4; /*Describe the specific type in use */ |
107 | u32 vendor_specific:4; /*Chipset Vendor Specifi */ | 107 | u32 vendor_specific:4; /*Chipset Vendor Specific */ |
108 | u32 bios_can_detect:1; /*BIOS can detect the device */ | 108 | u32 bios_can_detect:1; /*BIOS can detect the device */ |
109 | u32 depend_on_vga:1; /*Non-VGA output device whose power is related to | 109 | u32 depend_on_vga:1; /*Non-VGA output device whose power is related to |
110 | the VGA device. */ | 110 | the VGA device. */ |
@@ -484,16 +484,16 @@ acpi_video_bus_POST_options(struct acpi_video_bus *video, | |||
484 | * 0. The system BIOS should NOT automatically switch(toggle) | 484 | * 0. The system BIOS should NOT automatically switch(toggle) |
485 | * the active display output. | 485 | * the active display output. |
486 | * 1. The system BIOS should automatically switch (toggle) the | 486 | * 1. The system BIOS should automatically switch (toggle) the |
487 | * active display output. No swich event. | 487 | * active display output. No switch event. |
488 | * 2. The _DGS value should be locked. | 488 | * 2. The _DGS value should be locked. |
489 | * 3. The system BIOS should not automatically switch (toggle) the | 489 | * 3. The system BIOS should not automatically switch (toggle) the |
490 | * active display output, but instead generate the display switch | 490 | * active display output, but instead generate the display switch |
491 | * event notify code. | 491 | * event notify code. |
492 | * lcd_flag : | 492 | * lcd_flag : |
493 | * 0. The system BIOS should automatically control the brightness level | 493 | * 0. The system BIOS should automatically control the brightness level |
494 | * of the LCD, when the power changes from AC to DC | 494 | * of the LCD when the power changes from AC to DC |
495 | * 1. The system BIOS should NOT automatically control the brightness | 495 | * 1. The system BIOS should NOT automatically control the brightness |
496 | * level of the LCD, when the power changes from AC to DC. | 496 | * level of the LCD when the power changes from AC to DC. |
497 | * Return Value: | 497 | * Return Value: |
498 | * -1 wrong arg. | 498 | * -1 wrong arg. |
499 | */ | 499 | */ |
@@ -525,7 +525,7 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) | |||
525 | * Return Value: | 525 | * Return Value: |
526 | * None | 526 | * None |
527 | * | 527 | * |
528 | * Find out all required AML method defined under the output | 528 | * Find out all required AML methods defined under the output |
529 | * device. | 529 | * device. |
530 | */ | 530 | */ |
531 | 531 | ||
@@ -636,7 +636,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) | |||
636 | * Return Value: | 636 | * Return Value: |
637 | * None | 637 | * None |
638 | * | 638 | * |
639 | * Find out all required AML method defined under the video bus device. | 639 | * Find out all required AML methods defined under the video bus device. |
640 | */ | 640 | */ |
641 | 641 | ||
642 | static void acpi_video_bus_find_cap(struct acpi_video_bus *video) | 642 | static void acpi_video_bus_find_cap(struct acpi_video_bus *video) |
@@ -681,19 +681,19 @@ static int acpi_video_bus_check(struct acpi_video_bus *video) | |||
681 | * to check well known required nodes. | 681 | * to check well known required nodes. |
682 | */ | 682 | */ |
683 | 683 | ||
684 | /* Does this device able to support video switching ? */ | 684 | /* Does this device support video switching? */ |
685 | if (video->cap._DOS) { | 685 | if (video->cap._DOS) { |
686 | video->flags.multihead = 1; | 686 | video->flags.multihead = 1; |
687 | status = 0; | 687 | status = 0; |
688 | } | 688 | } |
689 | 689 | ||
690 | /* Does this device able to retrieve a retrieve a video ROM ? */ | 690 | /* Does this device support retrieving a video ROM? */ |
691 | if (video->cap._ROM) { | 691 | if (video->cap._ROM) { |
692 | video->flags.rom = 1; | 692 | video->flags.rom = 1; |
693 | status = 0; | 693 | status = 0; |
694 | } | 694 | } |
695 | 695 | ||
696 | /* Does this device able to configure which video device to POST ? */ | 696 | /* Does this device support configuring which video device to POST? */ |
697 | if (video->cap._GPD && video->cap._SPD && video->cap._VPO) { | 697 | if (video->cap._GPD && video->cap._SPD && video->cap._VPO) { |
698 | video->flags.post = 1; | 698 | video->flags.post = 1; |
699 | status = 0; | 699 | status = 0; |
@@ -860,7 +860,7 @@ acpi_video_device_write_brightness(struct file *file, | |||
860 | if (level > 100) | 860 | if (level > 100) |
861 | return -EFAULT; | 861 | return -EFAULT; |
862 | 862 | ||
863 | /* validate though the list of available levels */ | 863 | /* validate through the list of available levels */ |
864 | for (i = 0; i < dev->brightness->count; i++) | 864 | for (i = 0; i < dev->brightness->count; i++) |
865 | if (level == dev->brightness->levels[i]) { | 865 | if (level == dev->brightness->levels[i]) { |
866 | if (ACPI_SUCCESS | 866 | if (ACPI_SUCCESS |
@@ -1065,10 +1065,10 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) | |||
1065 | printk(KERN_WARNING PREFIX | 1065 | printk(KERN_WARNING PREFIX |
1066 | "The motherboard VGA device is not listed as a possible POST device.\n"); | 1066 | "The motherboard VGA device is not listed as a possible POST device.\n"); |
1067 | printk(KERN_WARNING PREFIX | 1067 | printk(KERN_WARNING PREFIX |
1068 | "This indicate a BIOS bug. Please contact the manufacturer.\n"); | 1068 | "This indicates a BIOS bug. Please contact the manufacturer.\n"); |
1069 | } | 1069 | } |
1070 | printk("%lx\n", options); | 1070 | printk("%lx\n", options); |
1071 | seq_printf(seq, "can POST: <intgrated video>"); | 1071 | seq_printf(seq, "can POST: <integrated video>"); |
1072 | if (options & 2) | 1072 | if (options & 2) |
1073 | seq_printf(seq, " <PCI video>"); | 1073 | seq_printf(seq, " <PCI video>"); |
1074 | if (options & 4) | 1074 | if (options & 4) |
@@ -1102,7 +1102,7 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) | |||
1102 | seq_printf(seq, "<not supported>\n"); | 1102 | seq_printf(seq, "<not supported>\n"); |
1103 | goto end; | 1103 | goto end; |
1104 | } | 1104 | } |
1105 | seq_printf(seq, "device posted is <%s>\n", device_decode[id & 3]); | 1105 | seq_printf(seq, "device POSTed is <%s>\n", device_decode[id & 3]); |
1106 | 1106 | ||
1107 | end: | 1107 | end: |
1108 | return 0; | 1108 | return 0; |
@@ -1156,7 +1156,7 @@ acpi_video_bus_write_POST(struct file *file, | |||
1156 | if (opt > 3) | 1156 | if (opt > 3) |
1157 | return -EFAULT; | 1157 | return -EFAULT; |
1158 | 1158 | ||
1159 | /* just in case an OEM 'forget' the motherboard... */ | 1159 | /* just in case an OEM 'forgot' the motherboard... */ |
1160 | options |= 1; | 1160 | options |= 1; |
1161 | 1161 | ||
1162 | if (options & (1ul << opt)) { | 1162 | if (options & (1ul << opt)) { |
@@ -1527,13 +1527,13 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) | |||
1527 | /* | 1527 | /* |
1528 | * Arg: | 1528 | * Arg: |
1529 | * video : video bus device | 1529 | * video : video bus device |
1530 | * event : Nontify Event | 1530 | * event : notify event |
1531 | * | 1531 | * |
1532 | * Return: | 1532 | * Return: |
1533 | * < 0 : error | 1533 | * < 0 : error |
1534 | * | 1534 | * |
1535 | * 1. Find out the current active output device. | 1535 | * 1. Find out the current active output device. |
1536 | * 2. Identify the next output device to switch | 1536 | * 2. Identify the next output device to switch to. |
1537 | * 3. call _DSS to do actual switch. | 1537 | * 3. call _DSS to do actual switch. |
1538 | */ | 1538 | */ |
1539 | 1539 | ||
@@ -1723,12 +1723,12 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) | |||
1723 | device = video->device; | 1723 | device = video->device; |
1724 | 1724 | ||
1725 | switch (event) { | 1725 | switch (event) { |
1726 | case ACPI_VIDEO_NOTIFY_SWITCH: /* User request that a switch occur, | 1726 | case ACPI_VIDEO_NOTIFY_SWITCH: /* User requested a switch, |
1727 | * most likely via hotkey. */ | 1727 | * most likely via hotkey. */ |
1728 | acpi_bus_generate_event(device, event, 0); | 1728 | acpi_bus_generate_event(device, event, 0); |
1729 | break; | 1729 | break; |
1730 | 1730 | ||
1731 | case ACPI_VIDEO_NOTIFY_PROBE: /* User plug or remove a video | 1731 | case ACPI_VIDEO_NOTIFY_PROBE: /* User plugged in or removed a video |
1732 | * connector. */ | 1732 | * connector. */ |
1733 | acpi_video_device_enumerate(video); | 1733 | acpi_video_device_enumerate(video); |
1734 | acpi_video_device_rebind(video); | 1734 | acpi_video_device_rebind(video); |