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

Web:        https://git.kernel.org/torvalds/c/eca39e7f0cdb9bde4003a29149fa695e876c6f73
Commit:     eca39e7f0cdb9bde4003a29149fa695e876c6f73
Parent:     ed5b9ba7bef7f277cbdf315e385b44e0e3b1a9ab
Refname:    refs/heads/master
Author:     Laszlo Toth <[email protected]>
AuthorDate: Tue Feb 13 21:43:43 2018 +0100
Committer:  Andy Shevchenko <[email protected]>
CommitDate: Thu Feb 15 12:18:33 2018 +0200

    platform/x86: dell-laptop: fix kbd_get_state's request value
    
    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 <[email protected]>
    Reviewed-by: Pali Rohár <[email protected]>
    Reviewed-by: Mario Limonciello <[email protected]>
    Signed-off-by: Andy Shevchenko <[email protected]>
---
 drivers/platform/x86/dell-laptop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index 2a68f59d2228..a37cff9fd8d4 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -1279,7 +1279,7 @@ 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)
--
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