[PATCH 3/3] ASoC: fix regwmask

[이경택]

-----Original Message-----
From: Alsa-devel <alsa-devel-bounces at alsa-project.org> On Behalf Of 이경택
Sent: Monday, March 30, 2020 4:36 PM
To: lgirdwood at gmail.com; broonie at kernel.org; tiwai at suse.com
Cc: alsa-devel at alsa-project.org
Subject: [PATCH 3/3] 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 at samsung.com>
---
 sound/soc/soc-ops.c | 4 ++--
 1 file 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;
--
2.21.0