platform/x86: dell-laptop: fix kbd_get_state's request value

commit eca39e7f0cdb9bde4003a29149fa695e876c6f73 upstream.

Commit 9862b43624a5 ("platform/x86: dell-laptop: Allocate buffer on heap
rather than globally")
broke one request, changed it back to the original value.

Tested on a Dell E6540, backlight came back.

Fixes: 9862b43624a5 ("platform/x86: dell-laptop: Allocate buffer on heap rather than globally")
Signed-off-by: Laszlo Toth <laszlth@gmail.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index c1b9e113c3d395a3f2c4a2afb6b04ed281bcd01c..c864430b9fcf435109ed78b77d78b27a45fba45e 100644 (file)
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -1254,7 +1254,7 @@ static int kbd_get_state(struct kbd_state *state)
        struct calling_interface_buffer buffer;
        int ret;
 
-       dell_fill_request(&buffer, 0, 0, 0, 0);
+       dell_fill_request(&buffer, 0x1, 0, 0, 0);
        ret = dell_send_request(&buffer,
                                CLASS_KBD_BACKLIGHT, SELECT_KBD_BACKLIGHT);
        if (ret)