[RFC PATCH v3 50/78] hw/audio: 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/audio/asc.c        | 2 +-
 hw/audio/cs4231a.c    | 2 +-
 hw/audio/gusemu_hal.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/hw/audio/asc.c b/hw/audio/asc.c
index 0f36b4ce9b..336da09509 100644
--- a/hw/audio/asc.c
+++ b/hw/audio/asc.c
@@ -229,7 +229,7 @@ static int generate_fifo(ASCState *s, int maxsamples)
                 break;
 
             default:
-                /* fallthrough */
+                fallthrough;
             case 0x80:
                 /* Raw mode */
                 if (fs->cnt) {
diff --git a/hw/audio/cs4231a.c b/hw/audio/cs4231a.c
index 3aa105748d..3bf0116c68 100644
--- a/hw/audio/cs4231a.c
+++ b/hw/audio/cs4231a.c
@@ -311,7 +311,7 @@ static void cs_reset_voices (CSState *s, uint32_t val)
 
     case 6:
         as.endianness = 1;
-        /* fall through */
+        fallthrough;
     case 2:
         as.fmt = AUDIO_FORMAT_S16;
         s->shift = as.nchannels;
diff --git a/hw/audio/gusemu_hal.c b/hw/audio/gusemu_hal.c
index f159978b49..76dd906ea1 100644
--- a/hw/audio/gusemu_hal.c
+++ b/hw/audio/gusemu_hal.c
@@ -261,7 +261,7 @@ void gus_write(GUSEmuState * state, int port, int size, 
unsigned int data)
             GUSregb(IRQStatReg2x6) = 0x10;
             GUS_irqrequest(state, state->gusirq, 1);
         }
-        /* fall through */
+        fallthrough;
     case 0x20D:                /* SB2xCd no IRQ */
         GUSregb(SB2xCd) = (uint8_t) data;
         break;
-- 
2.39.2