[PATCH] Input: Add a new switch event type

The corgi keyboard has need of a switch event type with slightly type to the
input system as recommended by the input maintainer.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Cc: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index a275211c8e1e..88636a204525 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -89,6 +89,15 @@ void input_event(struct input_dev *dev, unsigned int type, unsigned int code, in
 
                         break;
 
+                case EV_SW:
+
+                        if (code > SW_MAX || !test_bit(code, dev->swbit) || !!test_bit(code, dev->sw) == value)
+                                return;
+
+                        change_bit(code, dev->sw);
+
+                        break;
+
                 case EV_ABS:
 
                         if (code > ABS_MAX || !test_bit(code, dev->absbit))
@@ -402,6 +411,7 @@ static void input_call_hotplug(char *verb, struct input_dev *dev)
         SPRINTF_BIT_A2(ledbit, "LED=", LED_MAX, EV_LED);
         SPRINTF_BIT_A2(sndbit, "SND=", SND_MAX, EV_SND);
         SPRINTF_BIT_A2(ffbit,  "FF=",  FF_MAX, EV_FF);
+        SPRINTF_BIT_A2(swbit,  "SW=",  SW_MAX, EV_SW);
 
         envp[i++] = NULL;
 
@@ -490,6 +500,7 @@ static int input_devices_read(char *buf, char **start, off_t pos, int count, int
                 SPRINTF_BIT_B2(ledbit, "LED=", LED_MAX, EV_LED);
                 SPRINTF_BIT_B2(sndbit, "SND=", SND_MAX, EV_SND);
                 SPRINTF_BIT_B2(ffbit,  "FF=",  FF_MAX, EV_FF);
+                SPRINTF_BIT_B2(swbit,  "SW=",  SW_MAX, EV_SW);
 
                 len += sprintf(buf + len, "\n");