[RFC PATCH v3 56/78] hw/input: add fallthrough pseudo-keyword

[Emmanouil Pitsidianakis]

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidiana...@linaro.org>
---
 hw/input/hid.c     | 3 ++-
 hw/input/tsc2005.c | 4 ++--
 hw/input/tsc210x.c | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/hw/input/hid.c b/hw/input/hid.c
index a9c7dd1ce1..15fffc5dfb 100644
--- a/hw/input/hid.c
+++ b/hw/input/hid.c
@@ -283,6 +283,7 @@ static void hid_keyboard_process_keycode(HIDState *hs)
             return;
         }
         /* fall through to process Ctrl_L */
+        fallthrough;
     case 0xe1 ... 0xe7:
         /* Ctrl_L/Ctrl_R, Shift_L/Shift_R, Alt_L/Alt_R, Win_L/Win_R.
          * Handle releases here, or fall through to process presses.
@@ -291,7 +292,7 @@ static void hid_keyboard_process_keycode(HIDState *hs)
             hs->kbd.modifiers &= ~(1 << (hid_code & 0x0f));
             return;
         }
-        /* fall through */
+        fallthrough;
     case 0xe8 ... 0xe9:
         /* USB modifiers are just 1 byte long.  Bits 8 and 9 of
          * hs->kbd.modifiers implement a state machine that detects the
diff --git a/hw/input/tsc2005.c b/hw/input/tsc2005.c
index db2b80e35f..4f3f1d9d12 100644
--- a/hw/input/tsc2005.c
+++ b/hw/input/tsc2005.c
@@ -262,7 +262,7 @@ static void tsc2005_pin_update(TSC2005State *s)
             s->enabled = false;
         if (!s->pressure)
             return;
-        /* Fall through */
+        fallthrough;
     case TSC_MODE_AUX_SCAN:
         break;
 
@@ -271,7 +271,7 @@ static void tsc2005_pin_update(TSC2005State *s)
     case TSC_MODE_Z:
         if (!s->pressure)
             return;
-        /* Fall through */
+        fallthrough;
     case TSC_MODE_AUX:
     case TSC_MODE_TEMP1:
     case TSC_MODE_TEMP2:
diff --git a/hw/input/tsc210x.c b/hw/input/tsc210x.c
index 950506fb38..9ae426e1a6 100644
--- a/hw/input/tsc210x.c
+++ b/hw/input/tsc210x.c
@@ -809,7 +809,7 @@ static void tsc210x_pin_update(TSC210xState *s)
     case TSC_MODE_Z:
         if (!s->pressure)
             return;
-        /* Fall through */
+        fallthrough;
     case TSC_MODE_BAT1:
     case TSC_MODE_BAT2:
     case TSC_MODE_AUX:
-- 
2.39.2