audio/intel-hda: support FIFORDY
linux kernel 3.12 has changed intel-hda
driver to always check for FIFORDY, this
causes long hangs in guest since QEMU
always has this bit set to 0. We now simply set
it to 1 always, since we're synchronous anyway
and always ready to receive the stream
Signed-off-by: Stanislav Vorobiov <s.vorobiov@samsung.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/hw/audio/intel-hda.c b/hw/audio/intel-hda.c
index d41f82c..9e075c0 100644
--- a/hw/audio/intel-hda.c
+++ b/hw/audio/intel-hda.c
@@ -574,7 +574,7 @@
if (st->ctl & 0x01) {
/* reset */
dprint(d, 1, "st #%d: reset\n", reg->stream);
- st->ctl = 0;
+ st->ctl = SD_STS_FIFO_READY << 24;
}
if ((st->ctl & 0x02) != (old & 0x02)) {
uint32_t stnr = (st->ctl >> 20) & 0x0f;
@@ -829,6 +829,7 @@
.wclear = 0x1c000000, \
.offset = offsetof(IntelHDAState, st[_i].ctl), \
.whandler = intel_hda_set_st_ctl, \
+ .reset = SD_STS_FIFO_READY << 24 \
}, \
[ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
.stream = _i, \
