diff options
Diffstat (limited to 'drivers/acpi/video.c')
| -rw-r--r-- | drivers/acpi/video.c | 365 |
1 files changed, 151 insertions, 214 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index bd4887518373..56666a982476 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -117,7 +117,7 @@ struct acpi_video_enumerated_device { }; struct acpi_video_bus { - acpi_handle handle; + struct acpi_device *device; u8 dos_setting; struct acpi_video_enumerated_device *attached_array; u8 attached_count; @@ -155,7 +155,6 @@ struct acpi_video_device_brightness { }; struct acpi_video_device { - acpi_handle handle; unsigned long device_id; struct acpi_video_device_flags flags; struct acpi_video_device_cap cap; @@ -272,10 +271,10 @@ static int acpi_video_device_query(struct acpi_video_device *device, unsigned long *state) { int status; - ACPI_FUNCTION_TRACE("acpi_video_device_query"); - status = acpi_evaluate_integer(device->handle, "_DGS", NULL, state); - return_VALUE(status); + status = acpi_evaluate_integer(device->dev->handle, "_DGS", NULL, state); + + return status; } static int @@ -284,11 +283,9 @@ acpi_video_device_get_state(struct acpi_video_device *device, { int status; - ACPI_FUNCTION_TRACE("acpi_video_device_get_state"); - - status = acpi_evaluate_integer(device->handle, "_DCS", NULL, state); + status = acpi_evaluate_integer(device->dev->handle, "_DCS", NULL, state); - return_VALUE(status); + return status; } static int @@ -299,12 +296,11 @@ acpi_video_device_set_state(struct acpi_video_device *device, int state) struct acpi_object_list args = { 1, &arg0 }; unsigned long ret; - ACPI_FUNCTION_TRACE("acpi_video_device_set_state"); arg0.integer.value = state; - status = acpi_evaluate_integer(device->handle, "_DSS", &args, &ret); + status = acpi_evaluate_integer(device->dev->handle, "_DSS", &args, &ret); - return_VALUE(status); + return status; } static int @@ -315,28 +311,27 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device, struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; - ACPI_FUNCTION_TRACE("acpi_video_device_lcd_query_levels"); *levels = NULL; - status = acpi_evaluate_object(device->handle, "_BCL", NULL, &buffer); + status = acpi_evaluate_object(device->dev->handle, "_BCL", NULL, &buffer); if (!ACPI_SUCCESS(status)) - return_VALUE(status); + return status; obj = (union acpi_object *)buffer.pointer; - if (!obj && (obj->type != ACPI_TYPE_PACKAGE)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _BCL data\n")); + if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) { + printk(KERN_ERR PREFIX "Invalid _BCL data\n"); status = -EFAULT; goto err; } *levels = obj; - return_VALUE(0); + return 0; err: kfree(buffer.pointer); - return_VALUE(status); + return status; } static int @@ -346,13 +341,12 @@ acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level) union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_video_device_lcd_set_level"); arg0.integer.value = level; - status = acpi_evaluate_object(device->handle, "_BCM", &args, NULL); + status = acpi_evaluate_object(device->dev->handle, "_BCM", &args, NULL); printk(KERN_DEBUG "set_level status: %x\n", status); - return_VALUE(status); + return status; } static int @@ -360,11 +354,10 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device, unsigned long *level) { int status; - ACPI_FUNCTION_TRACE("acpi_video_device_lcd_get_level_current"); - status = acpi_evaluate_integer(device->handle, "_BQC", NULL, level); + status = acpi_evaluate_integer(device->dev->handle, "_BQC", NULL, level); - return_VALUE(status); + return status; } static int @@ -377,34 +370,33 @@ acpi_video_device_EDID(struct acpi_video_device *device, union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_video_device_get_EDID"); *edid = NULL; if (!device) - return_VALUE(-ENODEV); + return -ENODEV; if (length == 128) arg0.integer.value = 1; else if (length == 256) arg0.integer.value = 2; else - return_VALUE(-EINVAL); + return -EINVAL; - status = acpi_evaluate_object(device->handle, "_DDC", &args, &buffer); + status = acpi_evaluate_object(device->dev->handle, "_DDC", &args, &buffer); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; obj = (union acpi_object *)buffer.pointer; if (obj && obj->type == ACPI_TYPE_BUFFER) *edid = obj; else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _DDC data\n")); + printk(KERN_ERR PREFIX "Invalid _DDC data\n"); status = -EFAULT; kfree(obj); } - return_VALUE(status); + return status; } /* bus */ @@ -417,15 +409,14 @@ acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option) union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_video_bus_set_POST"); arg0.integer.value = option; - status = acpi_evaluate_integer(video->handle, "_SPD", &args, &tmp); + status = acpi_evaluate_integer(video->device->handle, "_SPD", &args, &tmp); if (ACPI_SUCCESS(status)) status = tmp ? (-EINVAL) : (AE_OK); - return_VALUE(status); + return status; } static int @@ -433,11 +424,9 @@ acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long *id) { int status; - ACPI_FUNCTION_TRACE("acpi_video_bus_get_POST"); + status = acpi_evaluate_integer(video->device->handle, "_GPD", NULL, id); - status = acpi_evaluate_integer(video->handle, "_GPD", NULL, id); - - return_VALUE(status); + return status; } static int @@ -445,12 +434,11 @@ acpi_video_bus_POST_options(struct acpi_video_bus *video, unsigned long *options) { int status; - ACPI_FUNCTION_TRACE("acpi_video_bus_POST_options"); - status = acpi_evaluate_integer(video->handle, "_VPO", NULL, options); + status = acpi_evaluate_integer(video->device->handle, "_VPO", NULL, options); *options &= 3; - return_VALUE(status); + return status; } /* @@ -481,7 +469,6 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_video_bus_DOS"); if (bios_flag < 0 || bios_flag > 3 || lcd_flag < 0 || lcd_flag > 1) { status = -1; @@ -489,10 +476,10 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) } arg0.integer.value = (lcd_flag << 2) | bios_flag; video->dos_setting = arg0.integer.value; - acpi_evaluate_object(video->handle, "_DOS", &args, NULL); + acpi_evaluate_object(video->device->handle, "_DOS", &args, NULL); Failed: - return_VALUE(status); + return status; } /* @@ -514,29 +501,28 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) union acpi_object *obj = NULL; struct acpi_video_device_brightness *br = NULL; - ACPI_FUNCTION_TRACE("acpi_video_device_find_cap"); memset(&device->cap, 0, 4); - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ADR", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_ADR", &h_dummy1))) { device->cap._ADR = 1; } - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCL", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_BCL", &h_dummy1))) { device->cap._BCL = 1; } - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_BCM", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_BCM", &h_dummy1))) { device->cap._BCM = 1; } - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DDC", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DDC", &h_dummy1))) { device->cap._DDC = 1; } - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DCS", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DCS", &h_dummy1))) { device->cap._DCS = 1; } - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DGS", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DGS", &h_dummy1))) { device->cap._DGS = 1; } - if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DSS", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(device->dev->handle, "_DSS", &h_dummy1))) { device->cap._DSS = 1; } @@ -560,8 +546,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) o = (union acpi_object *)&obj->package. elements[i]; if (o->type != ACPI_TYPE_INTEGER) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid data\n")); + printk(KERN_ERR PREFIX "Invalid data\n"); continue; } br->levels[count] = (u32) o->integer.value; @@ -583,7 +568,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) kfree(obj); - return_VOID; + return; } /* @@ -601,22 +586,22 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video) acpi_handle h_dummy1; memset(&video->cap, 0, 4); - if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOS", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOS", &h_dummy1))) { video->cap._DOS = 1; } - if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_DOD", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_DOD", &h_dummy1))) { video->cap._DOD = 1; } - if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_ROM", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_ROM", &h_dummy1))) { video->cap._ROM = 1; } - if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_GPD", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_GPD", &h_dummy1))) { video->cap._GPD = 1; } - if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_SPD", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_SPD", &h_dummy1))) { video->cap._SPD = 1; } - if (ACPI_SUCCESS(acpi_get_handle(video->handle, "_VPO", &h_dummy1))) { + if (ACPI_SUCCESS(acpi_get_handle(video->device->handle, "_VPO", &h_dummy1))) { video->cap._VPO = 1; } } @@ -630,10 +615,9 @@ static int acpi_video_bus_check(struct acpi_video_bus *video) { acpi_status status = -ENOENT; - ACPI_FUNCTION_TRACE("acpi_video_bus_check"); if (!video) - return_VALUE(-EINVAL); + return -EINVAL; /* Since there is no HID, CID and so on for VGA driver, we have * to check well known required nodes. @@ -657,7 +641,7 @@ static int acpi_video_bus_check(struct acpi_video_bus *video) status = 0; } - return_VALUE(status); + return status; } /* -------------------------------------------------------------------------- @@ -673,7 +657,6 @@ static int acpi_video_device_info_seq_show(struct seq_file *seq, void *offset) struct acpi_video_device *dev = (struct acpi_video_device *)seq->private; - ACPI_FUNCTION_TRACE("acpi_video_device_info_seq_show"); if (!dev) goto end; @@ -692,7 +675,7 @@ static int acpi_video_device_info_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "known by bios: %s\n", dev->flags.bios ? "yes" : "no"); end: - return_VALUE(0); + return 0; } static int @@ -709,7 +692,6 @@ static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset) (struct acpi_video_device *)seq->private; unsigned long state; - ACPI_FUNCTION_TRACE("acpi_video_device_state_seq_show"); if (!dev) goto end; @@ -729,7 +711,7 @@ static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "<not supported>\n"); end: - return_VALUE(0); + return 0; } static int @@ -750,13 +732,12 @@ acpi_video_device_write_state(struct file *file, char str[12] = { 0 }; u32 state = 0; - ACPI_FUNCTION_TRACE("acpi_video_device_write_state"); if (!dev || count + 1 > sizeof str) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(str, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; str[count] = 0; state = simple_strtoul(str, NULL, 0); @@ -765,9 +746,9 @@ acpi_video_device_write_state(struct file *file, status = acpi_video_device_set_state(dev, state); if (status) - return_VALUE(-EFAULT); + return -EFAULT; - return_VALUE(count); + return count; } static int @@ -777,11 +758,10 @@ acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset) (struct acpi_video_device *)seq->private; int i; - ACPI_FUNCTION_TRACE("acpi_video_device_brightness_seq_show"); if (!dev || !dev->brightness) { seq_printf(seq, "<not supported>\n"); - return_VALUE(0); + return 0; } seq_printf(seq, "levels: "); @@ -789,7 +769,7 @@ acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, " %d", dev->brightness->levels[i]); seq_printf(seq, "\ncurrent: %d\n", dev->brightness->curr); - return_VALUE(0); + return 0; } static int @@ -810,19 +790,18 @@ acpi_video_device_write_brightness(struct file *file, unsigned int level = 0; int i; - ACPI_FUNCTION_TRACE("acpi_video_device_write_brightness"); if (!dev || !dev->brightness || count + 1 > sizeof str) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(str, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; str[count] = 0; level = simple_strtoul(str, NULL, 0); if (level > 100) - return_VALUE(-EFAULT); + return -EFAULT; /* validate though the list of available levels */ for (i = 0; i < dev->brightness->count; i++) @@ -833,7 +812,7 @@ acpi_video_device_write_brightness(struct file *file, break; } - return_VALUE(count); + return count; } static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset) @@ -844,7 +823,6 @@ static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset) int i; union acpi_object *edid = NULL; - ACPI_FUNCTION_TRACE("acpi_video_device_EDID_seq_show"); if (!dev) goto out; @@ -869,7 +847,7 @@ static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset) else kfree(edid); - return_VALUE(0); + return 0; } static int @@ -884,28 +862,26 @@ static int acpi_video_device_add_fs(struct acpi_device *device) struct proc_dir_entry *entry = NULL; struct acpi_video_device *vid_dev; - ACPI_FUNCTION_TRACE("acpi_video_device_add_fs"); if (!device) - return_VALUE(-ENODEV); + return -ENODEV; vid_dev = (struct acpi_video_device *)acpi_driver_data(device); if (!vid_dev) - return_VALUE(-ENODEV); + return -ENODEV; if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), vid_dev->video->dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; acpi_device_dir(device)->owner = THIS_MODULE; } /* 'info' [R] */ entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'info' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_device_info_fops; entry->data = acpi_driver_data(device); @@ -917,8 +893,7 @@ static int acpi_video_device_add_fs(struct acpi_device *device) create_proc_entry("state", S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'state' fs entry\n")); + return -ENODEV; else { acpi_video_device_state_fops.write = acpi_video_device_write_state; entry->proc_fops = &acpi_video_device_state_fops; @@ -931,8 +906,7 @@ static int acpi_video_device_add_fs(struct acpi_device *device) create_proc_entry("brightness", S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'brightness' fs entry\n")); + return -ENODEV; else { acpi_video_device_brightness_fops.write = acpi_video_device_write_brightness; entry->proc_fops = &acpi_video_device_brightness_fops; @@ -943,25 +917,23 @@ static int acpi_video_device_add_fs(struct acpi_device *device) /* 'EDID' [R] */ entry = create_proc_entry("EDID", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'brightness' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_device_EDID_fops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_video_device_remove_fs(struct acpi_device *device) { struct acpi_video_device *vid_dev; - ACPI_FUNCTION_TRACE("acpi_video_device_remove_fs"); vid_dev = (struct acpi_video_device *)acpi_driver_data(device); if (!vid_dev || !vid_dev->video || !vid_dev->video->dir) - return_VALUE(-ENODEV); + return -ENODEV; if (acpi_device_dir(device)) { remove_proc_entry("info", acpi_device_dir(device)); @@ -972,7 +944,7 @@ static int acpi_video_device_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* video bus */ @@ -980,7 +952,6 @@ static int acpi_video_bus_info_seq_show(struct seq_file *seq, void *offset) { struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; - ACPI_FUNCTION_TRACE("acpi_video_bus_info_seq_show"); if (!video) goto end; @@ -993,7 +964,7 @@ static int acpi_video_bus_info_seq_show(struct seq_file *seq, void *offset) video->flags.post ? "yes" : "no"); end: - return_VALUE(0); + return 0; } static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file) @@ -1006,7 +977,6 @@ static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset) { struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; - ACPI_FUNCTION_TRACE("acpi_video_bus_ROM_seq_show"); if (!video) goto end; @@ -1015,7 +985,7 @@ static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "<TODO>\n"); end: - return_VALUE(0); + return 0; } static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file) @@ -1029,7 +999,6 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) unsigned long options; int status; - ACPI_FUNCTION_TRACE("acpi_video_bus_POST_info_seq_show"); if (!video) goto end; @@ -1052,7 +1021,7 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) } else seq_printf(seq, "<not supported>\n"); end: - return_VALUE(0); + return 0; } static int @@ -1068,7 +1037,6 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) int status; unsigned long id; - ACPI_FUNCTION_TRACE("acpi_video_bus_POST_seq_show"); if (!video) goto end; @@ -1081,18 +1049,17 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "device posted is <%s>\n", device_decode[id & 3]); end: - return_VALUE(0); + return 0; } static int acpi_video_bus_DOS_seq_show(struct seq_file *seq, void *offset) { struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; - ACPI_FUNCTION_TRACE("acpi_video_bus_DOS_seq_show"); seq_printf(seq, "DOS setting: <%d>\n", video->dos_setting); - return_VALUE(0); + return 0; } static int acpi_video_bus_POST_open_fs(struct inode *inode, struct file *file) @@ -1117,22 +1084,21 @@ acpi_video_bus_write_POST(struct file *file, char str[12] = { 0 }; unsigned long opt, options; - ACPI_FUNCTION_TRACE("acpi_video_bus_write_POST"); if (!video || count + 1 > sizeof str) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_video_bus_POST_options(video, &options); if (!ACPI_SUCCESS(status)) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(str, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; str[count] = 0; opt = strtoul(str, NULL, 0); if (opt > 3) - return_VALUE(-EFAULT); + return -EFAULT; /* just in case an OEM 'forget' the motherboard... */ options |= 1; @@ -1140,11 +1106,11 @@ acpi_video_bus_write_POST(struct file *file, if (options & (1ul << opt)) { status = acpi_video_bus_set_POST(video, opt); if (!ACPI_SUCCESS(status)) - return_VALUE(-EFAULT); + return -EFAULT; } - return_VALUE(count); + return count; } static ssize_t @@ -1158,25 +1124,24 @@ acpi_video_bus_write_DOS(struct file *file, char str[12] = { 0 }; unsigned long opt; - ACPI_FUNCTION_TRACE("acpi_video_bus_write_DOS"); if (!video || count + 1 > sizeof str) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(str, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; str[count] = 0; opt = strtoul(str, NULL, 0); if (opt > 7) - return_VALUE(-EFAULT); + return -EFAULT; status = acpi_video_bus_DOS(video, opt & 0x3, (opt & 0x4) >> 2); if (!ACPI_SUCCESS(status)) - return_VALUE(-EFAULT); + return -EFAULT; - return_VALUE(count); + return count; } static int acpi_video_bus_add_fs(struct acpi_device *device) @@ -1184,7 +1149,6 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) struct proc_dir_entry *entry = NULL; struct acpi_video_bus *video; - ACPI_FUNCTION_TRACE("acpi_video_bus_add_fs"); video = (struct acpi_video_bus *)acpi_driver_data(device); @@ -1192,7 +1156,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_video_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; video->dir = acpi_device_dir(device); acpi_device_dir(device)->owner = THIS_MODULE; } @@ -1200,8 +1164,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) /* 'info' [R] */ entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'info' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_bus_info_fops; entry->data = acpi_driver_data(device); @@ -1211,8 +1174,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) /* 'ROM' [R] */ entry = create_proc_entry("ROM", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'ROM' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_bus_ROM_fops; entry->data = acpi_driver_data(device); @@ -1223,8 +1185,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) entry = create_proc_entry("POST_info", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'POST_info' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_bus_POST_info_fops; entry->data = acpi_driver_data(device); @@ -1236,8 +1197,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) create_proc_entry("POST", S_IFREG | S_IRUGO | S_IRUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'POST' fs entry\n")); + return -ENODEV; else { acpi_video_bus_POST_fops.write = acpi_video_bus_write_POST; entry->proc_fops = &acpi_video_bus_POST_fops; @@ -1250,8 +1210,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) create_proc_entry("DOS", S_IFREG | S_IRUGO | S_IRUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'DOS' fs entry\n")); + return -ENODEV; else { acpi_video_bus_DOS_fops.write = acpi_video_bus_write_DOS; entry->proc_fops = &acpi_video_bus_DOS_fops; @@ -1259,14 +1218,13 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_video_bus_remove_fs(struct acpi_device *device) { struct acpi_video_bus *video; - ACPI_FUNCTION_TRACE("acpi_video_bus_remove_fs"); video = (struct acpi_video_bus *)acpi_driver_data(device); @@ -1280,7 +1238,7 @@ static int acpi_video_bus_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -1294,13 +1252,12 @@ acpi_video_bus_get_one_device(struct acpi_device *device, struct acpi_video_bus *video) { unsigned long device_id; - int status, result; + int status; struct acpi_video_device *data; - ACPI_FUNCTION_TRACE("acpi_video_bus_get_one_device"); if (!device || !video) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id); @@ -1308,11 +1265,10 @@ acpi_video_bus_get_one_device(struct acpi_device *device, data = kmalloc(sizeof(struct acpi_video_device), GFP_KERNEL); if (!data) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(data, 0, sizeof(struct acpi_video_device)); - data->handle = device->handle; strcpy(acpi_device_name(device), ACPI_VIDEO_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS); acpi_driver_data(device) = data; @@ -1339,15 +1295,18 @@ acpi_video_bus_get_one_device(struct acpi_device *device, acpi_video_device_bind(video, data); acpi_video_device_find_cap(data); - status = acpi_install_notify_handler(data->handle, + status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, acpi_video_device_notify, data); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n")); - result = -ENODEV; - goto end; + if(data->brightness) + kfree(data->brightness->levels); + kfree(data->brightness); + kfree(data); + return -ENODEV; } down(&video->sem); @@ -1356,11 +1315,10 @@ acpi_video_bus_get_one_device(struct acpi_device *device, acpi_video_device_add_fs(device); - return_VALUE(0); + return 0; } - end: - return_VALUE(-ENOENT); + return -ENOENT; } /* @@ -1403,7 +1361,6 @@ acpi_video_device_bind(struct acpi_video_bus *video, struct acpi_video_device *device) { int i; - ACPI_FUNCTION_TRACE("acpi_video_device_bind"); #define IDS_VAL(i) video->attached_array[i].value.int_val #define IDS_BIND(i) video->attached_array[i].bind_info @@ -1440,17 +1397,15 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) union acpi_object *dod = NULL; union acpi_object *obj; - ACPI_FUNCTION_TRACE("acpi_video_device_enumerate"); - - status = acpi_evaluate_object(video->handle, "_DOD", NULL, &buffer); + status = acpi_evaluate_object(video->device->handle, "_DOD", NULL, &buffer); if (!ACPI_SUCCESS(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _DOD\n")); - return_VALUE(status); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _DOD")); + return status; } dod = (union acpi_object *)buffer.pointer; if (!dod || (dod->type != ACPI_TYPE_PACKAGE)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _DOD data\n")); + ACPI_EXCEPTION((AE_INFO, status, "Invalid _DOD data")); status = -EFAULT; goto out; } @@ -1474,8 +1429,7 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) obj = (union acpi_object *)&dod->package.elements[i]; if (obj->type != ACPI_TYPE_INTEGER) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid _DOD data\n")); + printk(KERN_ERR PREFIX "Invalid _DOD data\n"); active_device_list[i].value.int_val = ACPI_VIDEO_HEAD_INVALID; } @@ -1492,8 +1446,8 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) video->attached_array = active_device_list; video->attached_count = count; out: - acpi_os_free(buffer.pointer); - return_VALUE(status); + kfree(buffer.pointer); + return status; } /* @@ -1518,7 +1472,6 @@ static int acpi_video_switch_output(struct acpi_video_bus *video, int event) unsigned long state; int status = 0; - ACPI_FUNCTION_TRACE("acpi_video_switch_output"); list_for_each_safe(node, next, &video->video_device_list) { dev = container_of(node, struct acpi_video_device, entry); @@ -1549,7 +1502,7 @@ static int acpi_video_switch_output(struct acpi_video_bus *video, int event) break; } - return_VALUE(status); + return status; } static int @@ -1576,7 +1529,6 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video, int status = 0; struct list_head *node, *next; - ACPI_FUNCTION_TRACE("acpi_video_get_devices"); acpi_video_device_enumerate(video); @@ -1589,13 +1541,12 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video, status = acpi_video_bus_get_one_device(dev, video); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Cant attach device\n")); + ACPI_EXCEPTION((AE_INFO, status, "Cant attach device")); continue; } } - return_VALUE(status); + return status; } static int acpi_video_bus_put_one_device(struct acpi_video_device *device) @@ -1603,10 +1554,9 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device) acpi_status status; struct acpi_video_bus *video; - ACPI_FUNCTION_TRACE("acpi_video_bus_put_one_device"); if (!device || !device->video) - return_VALUE(-ENOENT); + return -ENOENT; video = device->video; @@ -1615,14 +1565,11 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device) up(&video->sem); acpi_video_device_remove_fs(device->dev); - status = acpi_remove_notify_handler(device->handle, + status = acpi_remove_notify_handler(device->dev->handle, ACPI_DEVICE_NOTIFY, acpi_video_device_notify); - if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); - return_VALUE(0); + return 0; } static int acpi_video_bus_put_devices(struct acpi_video_bus *video) @@ -1630,7 +1577,6 @@ static int acpi_video_bus_put_devices(struct acpi_video_bus *video) int status; struct list_head *node, *next; - ACPI_FUNCTION_TRACE("acpi_video_bus_put_devices"); list_for_each_safe(node, next, &video->video_device_list) { struct acpi_video_device *data = @@ -1643,12 +1589,13 @@ static int acpi_video_bus_put_devices(struct acpi_video_bus *video) printk(KERN_WARNING PREFIX "hhuuhhuu bug in acpi video driver.\n"); + if (data->brightness) + kfree(data->brightness->levels); kfree(data->brightness); - kfree(data); } - return_VALUE(0); + return 0; } /* acpi_video interface */ @@ -1668,14 +1615,12 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) struct acpi_video_bus *video = (struct acpi_video_bus *)data; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_video_bus_notify"); printk("video bus notify\n"); if (!video) - return_VOID; + return; - if (acpi_bus_get_device(handle, &device)) - return_VOID; + device = video->device; switch (event) { case ACPI_VIDEO_NOTIFY_SWITCH: /* User request that a switch occur, @@ -1704,7 +1649,7 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) @@ -1713,14 +1658,12 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) (struct acpi_video_device *)data; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_video_device_notify"); printk("video device notify\n"); if (!video_device) - return_VOID; + return; - if (acpi_bus_get_device(handle, &device)) - return_VOID; + device = video_device->dev; switch (event) { case ACPI_VIDEO_NOTIFY_SWITCH: /* change in status (cycle output device) */ @@ -1740,7 +1683,7 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) "Unsupported event [0x%x]\n", event)); break; } - return_VOID; + return; } static int acpi_video_bus_add(struct acpi_device *device) @@ -1749,17 +1692,16 @@ static int acpi_video_bus_add(struct acpi_device *device) acpi_status status = 0; struct acpi_video_bus *video = NULL; - ACPI_FUNCTION_TRACE("acpi_video_bus_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; video = kmalloc(sizeof(struct acpi_video_bus), GFP_KERNEL); if (!video) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(video, 0, sizeof(struct acpi_video_bus)); - video->handle = device->handle; + video->device = device; strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME); strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS); acpi_driver_data(device) = video; @@ -1779,12 +1721,16 @@ static int acpi_video_bus_add(struct acpi_device *device) acpi_video_bus_get_devices(video, device); acpi_video_bus_start_devices(video); - status = acpi_install_notify_handler(video->handle, + status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, acpi_video_bus_notify, video); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n")); + acpi_video_bus_stop_devices(video); + acpi_video_bus_put_devices(video); + kfree(video->attached_array); + acpi_video_bus_remove_fs(device); result = -ENODEV; goto end; } @@ -1796,12 +1742,10 @@ static int acpi_video_bus_add(struct acpi_device *device) video->flags.post ? "yes" : "no"); end: - if (result) { - acpi_video_bus_remove_fs(device); + if (result) kfree(video); - } - return_VALUE(result); + return result; } static int acpi_video_bus_remove(struct acpi_device *device, int type) @@ -1809,21 +1753,17 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type) acpi_status status = 0; struct acpi_video_bus *video = NULL; - ACPI_FUNCTION_TRACE("acpi_video_bus_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; video = (struct acpi_video_bus *)acpi_driver_data(device); acpi_video_bus_stop_devices(video); - status = acpi_remove_notify_handler(video->handle, + status = acpi_remove_notify_handler(video->device->handle, ACPI_DEVICE_NOTIFY, acpi_video_bus_notify); - if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); acpi_video_bus_put_devices(video); acpi_video_bus_remove_fs(device); @@ -1831,7 +1771,7 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type) kfree(video->attached_array); kfree(video); - return_VALUE(0); + return 0; } static int @@ -1841,10 +1781,9 @@ acpi_video_bus_match(struct acpi_device *device, struct acpi_driver *driver) acpi_handle h_dummy2; acpi_handle h_dummy3; - ACPI_FUNCTION_TRACE("acpi_video_bus_match"); if (!device || !driver) - return_VALUE(-EINVAL); + return -EINVAL; /* Since there is no HID, CID for ACPI Video drivers, we have * to check well known required nodes for each feature we support. @@ -1853,26 +1792,25 @@ acpi_video_bus_match(struct acpi_device *device, struct acpi_driver *driver) /* Does this device able to support video switching ? */ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy1)) && ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy2))) - return_VALUE(0); + return 0; /* Does this device able to retrieve a video ROM ? */ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy1))) - return_VALUE(0); + return 0; /* Does this device able to configure which video head to be POSTed ? */ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy1)) && ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy2)) && ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3))) - return_VALUE(0); + return 0; - return_VALUE(-ENODEV); + return -ENODEV; } static int __init acpi_video_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_video_init"); /* acpi_dbg_level = 0xFFFFFFFF; @@ -1881,27 +1819,26 @@ static int __init acpi_video_init(void) acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir); if (!acpi_video_dir) - return_VALUE(-ENODEV); + return -ENODEV; acpi_video_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_video_bus); if (result < 0) { remove_proc_entry(ACPI_VIDEO_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_video_exit(void) { - ACPI_FUNCTION_TRACE("acpi_video_exit"); acpi_bus_unregister_driver(&acpi_video_bus); remove_proc_entry(ACPI_VIDEO_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_video_init); |