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ALSA: hda: fix oopses in snd-hda-intel after digital slave support additions

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Many places fail to check if codec has slave_dig_outs entries (the most common
case is not having any entry), leading to various possible oopses in hda_codec
code.

Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Herton Ronaldo Krzesinski 2008-09-13 16:44:29 +02:00 committed by Jaroslav Kysela
parent 8569be3cf9
commit 9932fbb0b3
1 changed files with 19 additions and 14 deletions
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5
sound/pci/hda/hda_codec.c
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@ -1462,6 +1462,7 @@ static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol,
AC_VERB_SET_DIGI_CONVERT_2,
val >> 8);
if (codec->slave_dig_outs)
for (d = codec->slave_dig_outs; *d; d++) {
snd_hda_codec_write_cache(codec, *d, 0,
AC_VERB_SET_DIGI_CONVERT_1,
@ -1507,6 +1508,7 @@ static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol,
AC_VERB_SET_DIGI_CONVERT_1,
val & 0xff);
if (codec->slave_dig_outs)
for (d = codec->slave_dig_outs; *d; d++)
snd_hda_codec_write_cache(codec, *d, 0,
AC_VERB_SET_DIGI_CONVERT_1,
@ -1664,6 +1666,7 @@ static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol,
snd_hda_codec_write_cache(codec, nid, 0,
AC_VERB_SET_DIGI_CONVERT_1, val);
if (codec->slave_dig_outs)
for (d = codec->slave_dig_outs; *d; d++)
snd_hda_codec_write_cache(codec, *d, 0,
AC_VERB_SET_DIGI_CONVERT_1, val);
@ -2617,6 +2620,7 @@ static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
if (codec->slave_dig_outs)
for (d = codec->slave_dig_outs; *d; d++)
snd_hda_codec_write(codec, *d, 0,
AC_VERB_SET_DIGI_CONVERT_1,
@ -2628,6 +2632,7 @@ static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1,
codec->spdif_ctls & 0xff);
if (codec->slave_dig_outs)
for (d = codec->slave_dig_outs; *d; d++)
snd_hda_codec_write(codec, *d, 0,
AC_VERB_SET_DIGI_CONVERT_1,