[2/9] dell_laptop: when the "hardware" switch is disabled, don't actually allow changing the softblock status.

Commit Message

Andrew Morton Dec. 22, 2009, 12:19 a.m. UTC

None

Patch

diff -puN drivers/platform/x86/dell-laptop.c~dell_laptop-when-the-hardware-switch-is-disabled-dont-actually-allow-changing-the-softblock-status drivers/platform/x86/dell-laptop.c
--- a/drivers/platform/x86/dell-laptop.c~dell_laptop-when-the-hardware-switch-is-disabled-dont-actually-allow-changing-the-softblock-status
+++ a/drivers/platform/x86/dell-laptop.c
@@ -181,6 +181,10 @@  static int dell_rfkill_set(void *data, b
 	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);