sony-laptop: VGN-A317M hotkey support

This laptop has 5 SPIC managed buttons above the keyboard:
sound + and - as well as brightness, zoom and S1.
Possibly the entire VGN-A serie behaves the same.

Signed-off-by: Harald Jenny <harald@a-little-linux-box.at>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>

2 files changed, 25 insertions, 0 deletions

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 3e45c65b8f81..4f932889569b 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -230,6 +230,9 @@ static int sony_laptop_input_index[] = {
         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
+        56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
+        57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
+        -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
 };
 
 static int sony_laptop_input_keycode_map[] = {
@@ -289,6 +292,8 @@ static int sony_laptop_input_keycode_map[] = {
         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
+        KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
+        KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
 };
 
 /* release buttons after a short delay if pressed */
@@ -1555,6 +1560,7 @@ static struct sonypi_event sonypi_pkeyev[] = {
         { 0x01, SONYPI_EVENT_PKEY_P1 },
         { 0x02, SONYPI_EVENT_PKEY_P2 },
         { 0x04, SONYPI_EVENT_PKEY_P3 },
+        { 0x20, SONYPI_EVENT_PKEY_P1 },
         { 0, 0 }
 };
 
@@ -1598,6 +1604,7 @@ static struct sonypi_event sonypi_zoomev[] = {
         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
+        { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
         { 0, 0 }
 };
 
@@ -1628,6 +1635,19 @@ static struct sonypi_event sonypi_batteryev[] = {
         { 0, 0 }
 };
 
+/* The set of possible volume events */
+static struct sonypi_event sonypi_volumeev[] = {
+        { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
+        { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
+        { 0, 0 }
+};
+
+/* The set of possible brightness events */
+static struct sonypi_event sonypi_brightnessev[] = {
+        { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
+        { 0, 0 }
+};
+
 static struct sonypi_eventtypes type1_events[] = {
         { 0, 0xffffffff, sonypi_releaseev },
         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
@@ -1668,6 +1688,8 @@ static struct sonypi_eventtypes type3_events[] = {
         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
+        { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
+        { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
         { 0 },
 };
 
diff --git a/include/linux/sonypi.h b/include/linux/sonypi.h
index bb835019ac7f..34c4475ac4a2 100644
--- a/include/linux/sonypi.h
+++ b/include/linux/sonypi.h
@@ -108,6 +108,9 @@
 #define SONYPI_EVENT_PKEY_P4                    66
 #define SONYPI_EVENT_PKEY_P5                    67
 #define SONYPI_EVENT_SETTINGKEY_PRESSED         68
+#define SONYPI_EVENT_VOLUME_INC_PRESSED         69
+#define SONYPI_EVENT_VOLUME_DEC_PRESSED         70
+#define SONYPI_EVENT_BRIGHTNESS_PRESSED         71
 
 /* get/set brightness */
 #define SONYPI_IOCGBRT          _IOR('v', 0, __u8)