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-rw-r--r--drivers/platform/x86/acer-wmi.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index fa8fa73f543e..0682ecb30746 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -961,10 +961,12 @@ static void __init acer_commandline_init(void)
* These will all fail silently if the value given is invalid, or the
* capability isn't available on the given interface
*/
- set_u32(mailled, ACER_CAP_MAILLED);
- if (!has_type_aa)
+ if (mailled >= 0)
+ set_u32(mailled, ACER_CAP_MAILLED);
+ if (!has_type_aa && threeg >= 0)
set_u32(threeg, ACER_CAP_THREEG);
- set_u32(brightness, ACER_CAP_BRIGHTNESS);
+ if (brightness >= 0)
+ set_u32(brightness, ACER_CAP_BRIGHTNESS);
}
/*