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Subject[PATCH v6 1/2] platform/x86: dell-smbios: Add helper for checking supported commands
Date
Add symbol to check if a specific class of smbios command is supported.

Signed-off-by: Lyndon Sanche <lsanche@lyndeno.ca>
---
drivers/platform/x86/dell/dell-smbios-base.c | 6 ++++++
drivers/platform/x86/dell/dell-smbios.h | 1 +
2 files changed, 7 insertions(+)

diff --git a/drivers/platform/x86/dell/dell-smbios-base.c b/drivers/platform/x86/dell/dell-smbios-base.c
index e61bfaf8b5c4..6ae09d7f76fb 100644
--- a/drivers/platform/x86/dell/dell-smbios-base.c
+++ b/drivers/platform/x86/dell/dell-smbios-base.c
@@ -350,6 +350,12 @@ void dell_laptop_call_notifier(unsigned long action, void *data)
}
EXPORT_SYMBOL_GPL(dell_laptop_call_notifier);

+bool dell_laptop_check_supported_cmds(u16 class)
+{
+ return da_supported_commands & (1 << class);
+}
+EXPORT_SYMBOL_GPL(dell_laptop_check_supported_cmds);
+
static void __init parse_da_table(const struct dmi_header *dm)
{
/* Final token is a terminator, so we don't want to copy it */
diff --git a/drivers/platform/x86/dell/dell-smbios.h b/drivers/platform/x86/dell/dell-smbios.h
index eb341bf000c6..63116671eada 100644
--- a/drivers/platform/x86/dell/dell-smbios.h
+++ b/drivers/platform/x86/dell/dell-smbios.h
@@ -73,6 +73,7 @@ enum dell_laptop_notifier_actions {
int dell_laptop_register_notifier(struct notifier_block *nb);
int dell_laptop_unregister_notifier(struct notifier_block *nb);
void dell_laptop_call_notifier(unsigned long action, void *data);
+bool dell_laptop_check_supported_cmds(u16 class);

/* for the supported backends */
#ifdef CONFIG_DELL_SMBIOS_WMI
--
2.42.0

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