x86/platform/intel-mid: Enable GPIO keys on Merrifield

The Merrifield firmware provides 3 descriptions of buttons connected to GPIO.
Append them to the list of supported GPIO keys.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170105161717.115261-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c b/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c
index 52534ec29765..74283875c7e8 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_gpio_keys.c
@@ -32,6 +32,9 @@ static struct gpio_keys_button gpio_button[] = {
         {SW_LID,                -1, 1, "lid_switch",    EV_SW,  0, 20},
         {KEY_VOLUMEUP,          -1, 1, "vol_up",        EV_KEY, 0, 20},
         {KEY_VOLUMEDOWN,        -1, 1, "vol_down",      EV_KEY, 0, 20},
+        {KEY_MUTE,              -1, 1, "mute_enable",   EV_KEY, 0, 20},
+        {KEY_VOLUMEUP,          -1, 1, "volume_up",     EV_KEY, 0, 20},
+        {KEY_VOLUMEDOWN,        -1, 1, "volume_down",   EV_KEY, 0, 20},
         {KEY_CAMERA,            -1, 1, "camera_full",   EV_KEY, 0, 20},
         {KEY_CAMERA_FOCUS,      -1, 1, "camera_half",   EV_KEY, 0, 20},
         {SW_KEYPAD_SLIDE,       -1, 1, "MagSw1",        EV_SW,  0, 20},