diff options
Diffstat (limited to 'drivers/platform/x86/dell/dell-smbios-base.c')
| -rw-r--r-- | drivers/platform/x86/dell/dell-smbios-base.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/platform/x86/dell/dell-smbios-base.c b/drivers/platform/x86/dell/dell-smbios-base.c index b562ed99ec4e..6565fac24cde 100644 --- a/drivers/platform/x86/dell/dell-smbios-base.c +++ b/drivers/platform/x86/dell/dell-smbios-base.c @@ -77,6 +77,7 @@ static struct smbios_call call_blacklist[] = { /* handled by kernel: dell-laptop */ {0x0000, CLASS_INFO, SELECT_RFKILL}, {0x0000, CLASS_KBD_BACKLIGHT, SELECT_KBD_BACKLIGHT}, + {0x0000, CLASS_INFO, SELECT_THERMAL_MANAGEMENT}, }; struct token_range { @@ -320,6 +321,31 @@ out_smbios_call: } EXPORT_SYMBOL_GPL(dell_smbios_call); +void dell_fill_request(struct calling_interface_buffer *buffer, + u32 arg0, u32 arg1, u32 arg2, u32 arg3) +{ + memset(buffer, 0, sizeof(struct calling_interface_buffer)); + buffer->input[0] = arg0; + buffer->input[1] = arg1; + buffer->input[2] = arg2; + buffer->input[3] = arg3; +} +EXPORT_SYMBOL_GPL(dell_fill_request); + +int dell_send_request(struct calling_interface_buffer *buffer, + u16 class, u16 select) +{ + int ret; + + buffer->cmd_class = class; + buffer->cmd_select = select; + ret = dell_smbios_call(buffer); + if (ret != 0) + return ret; + return dell_smbios_error(buffer->output[0]); +} +EXPORT_SYMBOL_GPL(dell_send_request); + struct calling_interface_token *dell_smbios_find_token(int tokenid) { int i; @@ -356,6 +382,15 @@ void dell_laptop_call_notifier(unsigned long action, void *data) } EXPORT_SYMBOL_GPL(dell_laptop_call_notifier); +bool dell_smbios_class_is_supported(u16 class) +{ + /* Classes over 30 always unsupported */ + if (class > 30) + return false; + return da_supported_commands & (1 << class); +} +EXPORT_SYMBOL_GPL(dell_smbios_class_is_supported); + static void __init parse_da_table(const struct dmi_header *dm) { /* Final token is a terminator, so we don't want to copy it */ |