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path: root/drivers/platform/x86/dell-laptop.c
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Diffstat (limited to 'drivers/platform/x86/dell-laptop.c')
-rw-r--r--drivers/platform/x86/dell-laptop.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index b13eb6a2cb51..81213e815400 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -190,6 +190,10 @@ static int dell_rfkill_set(void *data, bool blocked)
unsigned long radio = (unsigned long)data;
memset(&buffer, 0, sizeof(struct calling_interface_buffer));
+ dell_send_request(&buffer, 17, 11);
+ if (!(buffer.output[1] & BIT(16)))
+ return -EINVAL;
+
buffer.input[0] = (1 | (radio<<8) | (disable << 16));
dell_send_request(&buffer, 17, 11);