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audio/hda: drop atomics 

Doesn't build on 32bit clang.  And because we run under qemu mutex
anyway they are not needed.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180627111936.31019-1-kraxel@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
pull/73/head
Gerd Hoffmann 8 years ago
committed by Peter Maydell
parent
281bd28122
commit
3b84967c19
1 changed files with 15 additions and 16 deletions
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  1. 31
      hw/audio/hda-codec.c

31
hw/audio/hda-codec.c
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@ -18,7 +18,6 @@
*/
#include "qemu/osdep.h"
#include "qemu/atomic.h"
#include "hw/hw.h"
#include "hw/pci/pci.h"
#include "intel-hda.h"
@ -209,7 +208,7 @@ static inline void hda_timer_sync_adjust(HDAAudioStream *st, int64_t target_pos)
}
trace_hda_audio_adjust(st->node->name, target_pos);
atomic_fetch_add(&st->buft_start, corr);
st->buft_start += corr;
}
static void hda_audio_input_timer(void *opaque)
@ -218,9 +217,9 @@ static void hda_audio_input_timer(void *opaque)
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
int64_t buft_start = atomic_fetch_add(&st->buft_start, 0);
int64_t wpos = atomic_fetch_add(&st->wpos, 0);
int64_t rpos = atomic_fetch_add(&st->rpos, 0);
int64_t buft_start = st->buft_start;
int64_t wpos = st->wpos;
int64_t rpos = st->rpos;
int64_t wanted_rpos = hda_bytes_per_second(st) * (now - buft_start)
/ NANOSECONDS_PER_SECOND;
@ -242,7 +241,7 @@ static void hda_audio_input_timer(void *opaque)
}
rpos += chunk;
to_transfer -= chunk;
atomic_fetch_add(&st->rpos, chunk);
st->rpos += chunk;
}
out_timer:
@ -256,8 +255,8 @@ static void hda_audio_input_cb(void *opaque, int avail)
{
HDAAudioStream *st = opaque;
int64_t wpos = atomic_fetch_add(&st->wpos, 0);
int64_t rpos = atomic_fetch_add(&st->rpos, 0);
int64_t wpos = st->wpos;
int64_t rpos = st->rpos;
int64_t to_transfer = audio_MIN(B_SIZE - (wpos - rpos), avail);
@ -269,7 +268,7 @@ static void hda_audio_input_cb(void *opaque, int avail)
uint32_t read = AUD_read(st->voice.in, st->buf + start, chunk);
wpos += read;
to_transfer -= read;
atomic_fetch_add(&st->wpos, read);
st->wpos += read;
if (chunk != read) {
break;
}
@ -282,9 +281,9 @@ static void hda_audio_output_timer(void *opaque)
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
int64_t buft_start = atomic_fetch_add(&st->buft_start, 0);
int64_t wpos = atomic_fetch_add(&st->wpos, 0);
int64_t rpos = atomic_fetch_add(&st->rpos, 0);
int64_t buft_start = st->buft_start;
int64_t wpos = st->wpos;
int64_t rpos = st->rpos;
int64_t wanted_wpos = hda_bytes_per_second(st) * (now - buft_start)
/ NANOSECONDS_PER_SECOND;
@ -306,7 +305,7 @@ static void hda_audio_output_timer(void *opaque)
}
wpos += chunk;
to_transfer -= chunk;
atomic_fetch_add(&st->wpos, chunk);
st->wpos += chunk;
}
out_timer:
@ -320,8 +319,8 @@ static void hda_audio_output_cb(void *opaque, int avail)
{
HDAAudioStream *st = opaque;
int64_t wpos = atomic_fetch_add(&st->wpos, 0);
int64_t rpos = atomic_fetch_add(&st->rpos, 0);
int64_t wpos = st->wpos;
int64_t rpos = st->rpos;
int64_t to_transfer = audio_MIN(wpos - rpos, avail);
@ -342,7 +341,7 @@ static void hda_audio_output_cb(void *opaque, int avail)
uint32_t written = AUD_write(st->voice.out, st->buf + start, chunk);
rpos += written;
to_transfer -= written;
atomic_fetch_add(&st->rpos, written);
st->rpos += written;
if (chunk != written) {
break;
}

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