pcspk: use QEMU_ALIGN_DOWN

I used the clang-tidy qemu-round check to generate the fix:
https://github.com/elmarco/clang-tools-extra

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Marc-André Lureau 2017-06-22 13:04:16 +02:00
parent ec34748507
commit 668c2d1f91

View File

@ -69,7 +69,7 @@ static inline void generate_samples(PCSpkState *s)
const uint32_t n = ((uint64_t)PIT_FREQ << 32) / m;
/* multiple of wavelength for gapless looping */
s->samples = (PCSPK_BUF_LEN * PIT_FREQ / m * m / (PIT_FREQ >> 1) + 1) >> 1;
s->samples = (QEMU_ALIGN_DOWN(PCSPK_BUF_LEN * PIT_FREQ, m) / (PIT_FREQ >> 1) + 1) >> 1;
for (i = 0; i < s->samples; ++i)
s->sample_buf[i] = (64 & (n * i >> 25)) - 32;
} else {