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Change audio wakeup rate from 250 Hz to 100 Hz. 

Emulation bugfixes for intel-hda and adlib.
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Merge remote-tracking branch 'kraxel/tags/pull-audio-1' into staging

Change audio wakeup rate from 250 Hz to 100 Hz.
Emulation bugfixes for intel-hda and adlib.

# gpg: Signature made Mon 09 Dec 2013 06:04:16 AM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found

# By Gerd Hoffmann (2) and others
# Via Gerd Hoffmann
* kraxel/tags/pull-audio-1:
  intel-hda: fix position buffer
  adlib: fix patching of port I/O addresses
  audio: adjust pulse to 100Hz wakeup rate
  audio: Lower default wakeup rate to 100 times / second

Message-id: 1386597974-26506-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This commit is contained in:
Anthony Liguori 2013-12-10 16:11:21 -08:00
parent 75c4ce824f d58ce68a45
commit b5527dad7d
4 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
audio/audio.c
View File

@ -95,7 +95,7 @@ static struct {
}
},
.period = { .hertz = 250 },
.period = { .hertz = 100 },
.plive = 0,
.log_to_monitor = 0,
.try_poll_in = 1,

8
audio/paaudio.c
View File

@ -547,11 +547,11 @@ static int qpa_init_out (HWVoiceOut *hw, struct audsettings *as)
ss.rate = as->freq;
/*
* qemu audio tick runs at 250 Hz (by default), so processing
* data chunks worth 4 ms of sound should be a good fit.
* qemu audio tick runs at 100 Hz (by default), so processing
* data chunks worth 10 ms of sound should be a good fit.
*/
ba.tlength = pa_usec_to_bytes (4 * 1000, &ss);
ba.minreq = pa_usec_to_bytes (2 * 1000, &ss);
ba.tlength = pa_usec_to_bytes (10 * 1000, &ss);
ba.minreq = pa_usec_to_bytes (5 * 1000, &ss);
ba.maxlength = -1;
ba.prebuf = -1;

4
hw/audio/adlib.c
View File

@ -347,8 +347,8 @@ static void adlib_realizefn (DeviceState *dev, Error **errp)
s->samples = AUD_get_buffer_size_out (s->voice) >> SHIFT;
s->mixbuf = g_malloc0 (s->samples << SHIFT);
adlib_portio_list[1].offset = s->port;
adlib_portio_list[2].offset = s->port + 8;
adlib_portio_list[0].offset = s->port;
adlib_portio_list[1].offset = s->port + 8;
portio_list_init (port_list, OBJECT(s), adlib_portio_list, s, "adlib");
portio_list_add (port_list, isa_address_space_io(&s->parent_obj), 0);
}

1
hw/audio/intel-hda.c
View File

@ -444,6 +444,7 @@ static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
}
}
if (d->dp_lbase & 0x01) {
s = st - d->st;
addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib);
}