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| author | Harald Welte <HaraldWelte@viatech.com> | 2008-09-15 22:41:31 +0800 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-09-23 08:18:11 +0200 |
| commit | f8fdd4958b6c7af9abf630f06d43db4ddcd532f6 (patch) | |
| tree | 7748f32790e119a1c4bd3f2e5210043ee8cc74c5 /sound/pci | |
| parent | a6d77317678148c973bb0131cc5a3a772f756d23 (diff) | |
| download | linux-f8fdd4958b6c7af9abf630f06d43db4ddcd532f6.tar.gz linux-f8fdd4958b6c7af9abf630f06d43db4ddcd532f6.tar.bz2 linux-f8fdd4958b6c7af9abf630f06d43db4ddcd532f6.zip | |
ALSA: HDA VIA: Fix crash on codecs without Headphone
Don't enumerate via_hp_mixer while hp_mux is null (headphone does not exist),
to fix the crash of via_independent_hp_info (via_hp_mixer's .info), which will
reference hp_mux.
Signed-off-by: Logan Li <LoganLi@viatech.com.cn>
Signed-off-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/patch_via.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 6e360d39c02e..43fb96538b80 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -1303,7 +1303,8 @@ static int vt1708_parse_auto_config(struct hda_codec *codec) spec->input_mux = &spec->private_imux[0]; - spec->mixers[spec->num_mixers++] = via_hp_mixer; + if (spec->hp_mux) + spec->mixers[spec->num_mixers++] = via_hp_mixer; return 1; } @@ -1773,6 +1774,9 @@ static int vt1709_parse_auto_config(struct hda_codec *codec) spec->input_mux = &spec->private_imux[0]; + if (spec->hp_mux) + spec->mixers[spec->num_mixers++] = via_hp_mixer; + return 1; } @@ -2314,7 +2318,8 @@ static int vt1708B_parse_auto_config(struct hda_codec *codec) spec->input_mux = &spec->private_imux[0]; - spec->mixers[spec->num_mixers++] = via_hp_mixer; + if (spec->hp_mux) + spec->mixers[spec->num_mixers++] = via_hp_mixer; return 1; } @@ -2770,7 +2775,8 @@ static int vt1708S_parse_auto_config(struct hda_codec *codec) spec->input_mux = &spec->private_imux[0]; - spec->mixers[spec->num_mixers++] = via_hp_mixer; + if (spec->hp_mux) + spec->mixers[spec->num_mixers++] = via_hp_mixer; return 1; } @@ -3100,7 +3106,8 @@ static int vt1702_parse_auto_config(struct hda_codec *codec) spec->input_mux = &spec->private_imux[0]; - spec->mixers[spec->num_mixers++] = via_hp_mixer; + if (spec->hp_mux) + spec->mixers[spec->num_mixers++] = via_hp_mixer; return 1; } |