diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r-- | sound/pci/hda/hda_codec.c | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 26d255de6beb..d686f4fcd780 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -150,7 +150,14 @@ make_codec_cmd(struct hda_codec *codec, hda_nid_t nid, int direct, { u32 val; - val = (u32)(codec->addr & 0x0f) << 28; + if ((codec->addr & ~0xf) || (direct & ~1) || (nid & ~0x7f) || + (verb & ~0xfff) || (parm & ~0xffff)) { + printk(KERN_ERR "hda-codec: out of range cmd %x:%x:%x:%x:%x\n", + codec->addr, direct, nid, verb, parm); + return ~0; + } + + val = (u32)codec->addr << 28; val |= (u32)direct << 27; val |= (u32)nid << 20; val |= verb << 8; @@ -167,6 +174,9 @@ static int codec_exec_verb(struct hda_codec *codec, unsigned int cmd, struct hda_bus *bus = codec->bus; int err; + if (cmd == ~0) + return -1; + if (res) *res = -1; again: @@ -316,6 +326,8 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, /* single connection */ parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, 0); + if (parm == -1 && codec->bus->rirb_error) + return -EIO; conn_list[0] = parm & mask; return 1; } @@ -327,11 +339,20 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, int range_val; hda_nid_t val, n; - if (i % num_elems == 0) + if (i % num_elems == 0) { parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, i); + if (parm == -1 && codec->bus->rirb_error) + return -EIO; + } range_val = !!(parm & (1 << (shift-1))); /* ranges */ val = parm & mask; + if (val == 0) { + snd_printk(KERN_WARNING "hda_codec: " + "invalid CONNECT_LIST verb %x[%i]:%x\n", + nid, i, parm); + return 0; + } parm >>= shift; if (range_val) { /* ranges between the previous and this one */ @@ -885,7 +906,7 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, * Returns 0 if successful, or a negative error code. */ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, - int do_init, struct hda_codec **codecp) + struct hda_codec **codecp) { struct hda_codec *codec; char component[31]; @@ -978,11 +999,6 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr codec->afg ? codec->afg : codec->mfg, AC_PWRST_D0); - if (do_init) { - err = snd_hda_codec_configure(codec); - if (err < 0) - goto error; - } snd_hda_codec_proc_new(codec); snd_hda_create_hwdep(codec); @@ -1036,6 +1052,7 @@ int snd_hda_codec_configure(struct hda_codec *codec) err = init_unsol_queue(codec->bus); return err; } +EXPORT_SYMBOL_HDA(snd_hda_codec_configure); /** * snd_hda_codec_setup_stream - set up the codec for streaming @@ -2567,7 +2584,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate, case 20: case 24: case 32: - if (maxbps >= 32) + if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE) val |= 0x40; else if (maxbps >= 24) val |= 0x30; @@ -2694,11 +2711,12 @@ static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, bps = 20; } } - else if (streams == AC_SUPFMT_FLOAT32) { - /* should be exclusive */ + if (streams & AC_SUPFMT_FLOAT32) { formats |= SNDRV_PCM_FMTBIT_FLOAT_LE; - bps = 32; - } else if (streams == AC_SUPFMT_AC3) { + if (!bps) + bps = 32; + } + if (streams == AC_SUPFMT_AC3) { /* should be exclusive */ /* temporary hack: we have still no proper support * for the direct AC3 stream... |