The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 6cc13c28da5beee0f706db6450e190709700b34a Mon Sep 17 00:00:00 2001

From: Mario Limonciello mario.limonciello@dell.com Date: Wed, 27 Mar 2019 09:25:34 -0500 Subject: [PATCH] platform/x86: dell-laptop: fix rfkill functionality MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit

When converting the driver two arguments were transposed leading to rfkill not working.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=201427 Reported-by: Pepijn de Vos pepijndevos@gmail.com Fixes: 549b49 ("platform/x86: dell-smbios: Introduce dispatcher for SMM calls") Signed-off-by: Mario Limonciello mario.limonciello@dell.com Acked-by: Pali Rohár pali.rohar@gmail.com Cc: stable@vger.kernel.org # 4.14.x Signed-off-by: Darren Hart (VMware) dvhart@infradead.org

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 95e6ca116e00..a561f653cf13 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -531,7 +531,7 @@ static void dell_rfkill_query(struct rfkill *rfkill, void *data) return; }

- dell_fill_request(&buffer, 0, 0x2, 0, 0); + dell_fill_request(&buffer, 0x2, 0, 0, 0); ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL); hwswitch = buffer.output[1];

@@ -562,7 +562,7 @@ static int dell_debugfs_show(struct seq_file *s, void *data) return ret; status = buffer.output[1];

- dell_fill_request(&buffer, 0, 0x2, 0, 0); + dell_fill_request(&buffer, 0x2, 0, 0, 0); hwswitch_ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL); if (hwswitch_ret) return hwswitch_ret; @@ -647,7 +647,7 @@ static void dell_update_rfkill(struct work_struct *ignored) if (ret != 0) return;

- dell_fill_request(&buffer, 0, 0x2, 0, 0); + dell_fill_request(&buffer, 0x2, 0, 0, 0); ret = dell_send_request(&buffer, CLASS_INFO, SELECT_RFKILL);

if (ret == 0 && (status & BIT(0)))