This patch fixes the following build error:
Building modules, stage 2.
MODPOST 1834 modules
ERROR: "snd_card_create" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_ctl_notify" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_ctl_boolean_mono_info" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_ctl_new1" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_card_free" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_card_register" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_ctl_add" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
Signed-off-by: Helight.Xu <helight.xu@xxxxxxxxx>
Tested-by: Helight.Xu <helight.xu@xxxxxxxxx> ---
drivers/platform/x86/Kconfig | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index fc5bf9d..cda6fb6 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -215,6 +215,7 @@ config THINKPAD_ACPI
depends on ACPI
depends on INPUT
depends on RFKILL || RFKILL = n
+ depends on SND
select BACKLIGHT_LCD_SUPPORT
select BACKLIGHT_CLASS_DEVICE
select HWMON