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author이경택 <gt82.lee@samsung.com>2020-03-30 10:35:59 +0300
committerMark Brown <broonie@kernel.org>2020-03-30 20:22:36 +0300
commit0ab070917afdc93670c2d0ea02ab6defb6246a7c (patch)
tree7bafd5e30739b1040fd51d8f25d419b9f2cb856f /sound/soc/soc-ops.c
parenta91ab6509cd382dae4b7953155f47f276ff0d22f (diff)
downloadlinux-0ab070917afdc93670c2d0ea02ab6defb6246a7c.tar.xz
ASoC: fix regwmask
If regwshift is 32 and the selected architecture compiles '<<' operator for signed int literal into rotating shift, '1<<regwshift' became 1 and it makes regwmask to 0x0. The literal is set to unsigned long to get intended regwmask. Signed-off-by: Gyeongtaek Lee <gt82.lee@samsung.com> Link: https://lore.kernel.org/r/001001d60665$db7af3e0$9270dba0$@samsung.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/soc-ops.c')
-rw-r--r--sound/soc/soc-ops.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index 652657dc6809..55ffb34be95e 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -825,7 +825,7 @@ int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
unsigned int regbase = mc->regbase;
unsigned int regcount = mc->regcount;
unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
- unsigned int regwmask = (1<<regwshift)-1;
+ unsigned int regwmask = (1UL<<regwshift)-1;
unsigned int invert = mc->invert;
unsigned long mask = (1UL<<mc->nbits)-1;
long min = mc->min;
@@ -874,7 +874,7 @@ int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
unsigned int regbase = mc->regbase;
unsigned int regcount = mc->regcount;
unsigned int regwshift = component->val_bytes * BITS_PER_BYTE;
- unsigned int regwmask = (1<<regwshift)-1;
+ unsigned int regwmask = (1UL<<regwshift)-1;
unsigned int invert = mc->invert;
unsigned long mask = (1UL<<mc->nbits)-1;
long max = mc->max;