linux-kernel - [PATCH 4.9 066/177] platform/x86: intel-vbtn: add volume up and down

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Date:   Fri, 23 Mar 2018 10:53:14 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Maarten Maathuis <madman2003@...kahr.net>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.9 066/177] platform/x86: intel-vbtn: add volume up and down

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Maarten Maathuis <madman2003@...il.com>


[ Upstream commit 8d9e29972836b75eb74f533594999500a4c7cc19 ]

Tested on HP Elite X2 1012 G1.
Matches event report of Lenovo Helix 2
(https://www.spinics.net/lists/ibm-acpi-devel/msg03982.html).

Signed-off-by: Maarten Maathuis <madman2003@...kahr.net>
[andy: fixed indentation of comments and massaged title of the change]
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/platform/x86/intel-vbtn.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -37,6 +37,10 @@ static const struct acpi_device_id intel
 static const struct key_entry intel_vbtn_keymap[] = {
 	{ KE_IGNORE, 0xC0, { KEY_POWER } },	/* power key press */
 	{ KE_KEY, 0xC1, { KEY_POWER } },	/* power key release */
+	{ KE_KEY, 0xC4, { KEY_VOLUMEUP } },		/* volume-up key press */
+	{ KE_IGNORE, 0xC5, { KEY_VOLUMEUP } },		/* volume-up key release */
+	{ KE_KEY, 0xC6, { KEY_VOLUMEDOWN } },		/* volume-down key press */
+	{ KE_IGNORE, 0xC7, { KEY_VOLUMEDOWN } },	/* volume-down key release */
 	{ KE_END },
 };