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authorGustavo A. R. Silva <gustavo@embeddedor.com>2019-07-30 04:49:44 +0300
committerTakashi Iwai <tiwai@suse.de>2019-07-30 10:37:01 +0300
commit83554cb94515467cfff10f70ec858d60bbbab8ca (patch)
treea851338307f08d1db982f09ff8c3107cce1d3711 /sound/sparc
parent8e774e023565c682c67617da5141c7395c8a5fac (diff)
downloadlinux-83554cb94515467cfff10f70ec858d60bbbab8ca.tar.xz
ALSA: sparc: Mark expected switch fall-throughs
Mark switch cases where we are expecting to fall through. This patch fixes the following warnings (Building: sparc64): sound/sparc/dbri.c: In function ‘reverse_bytes’: sound/sparc/dbri.c:582:5: warning: this statement may fall through [-Wimplicit-fallthrough=] b = ((b & 0xffff0000) >> 16) | ((b & 0x0000ffff) << 16); ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/sparc/dbri.c:583:2: note: here case 16: ^~~~ sound/sparc/dbri.c:584:5: warning: this statement may fall through [-Wimplicit-fallthrough=] b = ((b & 0xff00ff00) >> 8) | ((b & 0x00ff00ff) << 8); ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/sparc/dbri.c:585:2: note: here case 8: ^~~~ sound/sparc/dbri.c:586:5: warning: this statement may fall through [-Wimplicit-fallthrough=] b = ((b & 0xf0f0f0f0) >> 4) | ((b & 0x0f0f0f0f) << 4); ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/sparc/dbri.c:587:2: note: here case 4: ^~~~ sound/sparc/dbri.c:588:5: warning: this statement may fall through [-Wimplicit-fallthrough=] b = ((b & 0xcccccccc) >> 2) | ((b & 0x33333333) << 2); ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/sparc/dbri.c:589:2: note: here case 2: ^~~~ Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/sparc')
-rw-r--r--sound/sparc/dbri.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 010113156239..6e065d44060e 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -580,12 +580,16 @@ static __u32 reverse_bytes(__u32 b, int len)
switch (len) {
case 32:
b = ((b & 0xffff0000) >> 16) | ((b & 0x0000ffff) << 16);
+ /* fall through */
case 16:
b = ((b & 0xff00ff00) >> 8) | ((b & 0x00ff00ff) << 8);
+ /* fall through */
case 8:
b = ((b & 0xf0f0f0f0) >> 4) | ((b & 0x0f0f0f0f) << 4);
+ /* fall through */
case 4:
b = ((b & 0xcccccccc) >> 2) | ((b & 0x33333333) << 2);
+ /* fall through */
case 2:
b = ((b & 0xaaaaaaaa) >> 1) | ((b & 0x55555555) << 1);
case 1: