Clang warns:
sound/soc/codecs/rt1011.c:1291:12: warning: integer literal is too large
to be represented in type 'long', interpreting as 'unsigned long' per
C89; this literal will have type 'long long' in C99 onwards
[-Wc99-compat]
format =
2147483648; /* 2^24 * 128 */
^
sound/soc/codecs/rt1011.c:2123:13: warning: integer literal is too large
to be represented in type 'long', interpreting as 'unsigned long' per
C89; this literal will have type 'long long' in C99 onwards
[-Wc99-compat]
format =
2147483648; /* 2^24 * 128 */
^
2 warnings generated.
Mark the integer literals as unsigned explicitly so that if the kernel
does ever bump the C standard it uses, the behavior is consitent.
Fixes: d6e65bb7ff0d ("ASoC: rt1011: Add RT1011 amplifier driver")
Link: https://github.com/ClangBuiltLinux/linux/issues/506
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
rt1011->r0_reg = ucontrol->value.integer.value[0];
- format = 2147483648; /* 2^24 * 128 */
+ format = 2147483648U; /* 2^24 * 128 */
r0_integer = format / rt1011->r0_reg / 128;
r0_factor = ((format / rt1011->r0_reg * 100) / 128)
- (r0_integer * 100);
dev_err(dev, "Calibrate R0 Failure\n");
ret = -EAGAIN;
} else {
- format = 2147483648; /* 2^24 * 128 */
+ format = 2147483648U; /* 2^24 * 128 */
r0_integer = format / r0[0] / 128;
r0_factor = ((format / r0[0] * 100) / 128)
- (r0_integer * 100);