Commit a2554a33 authored by Stanislav Vorobiov's avatar Stanislav Vorobiov Committed by Gerd Hoffmann
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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: default avatarStanislav Vorobiov <s.vorobiov@samsung.com>
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent c5fa6c86

hw/audio/intel-hda.c

+2 −1
Original line number Diff line number Diff line
@@ -574,7 +574,7 @@ static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint3 
    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 @@ static const struct IntelHDAReg regtab[] = { 
        .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,                                               \