Patch "platform/x86: dell-laptop: fix kbd_get_state's request value" has been added to the 4.15-stable tree

Patch "platform/x86: dell-laptop: fix kbd_get_state's request value" has been added to the 4.15-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

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

to the 4.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     platform-x86-dell-laptop-fix-kbd_get_state-s-request-value.patch
and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From eca39e7f0cdb9bde4003a29149fa695e876c6f73 Mon Sep 17 00:00:00 2001
From: Laszlo Toth <laszlth@gmail.com>
Date: Tue, 13 Feb 2018 21:43:43 +0100
Subject: platform/x86: dell-laptop: fix kbd_get_state's request value
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Laszlo Toth <laszlth@gmail.com>

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>

---
 drivers/platform/x86/dell-laptop.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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_stat
 	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)


Patches currently in stable-queue which might be from laszlth@gmail.com are

queue-4.15/platform-x86-dell-laptop-fix-kbd_get_state-s-request-value.patch