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author | Takashi Iwai <tiwai@suse.de> | 2008-02-18 12:23:13 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2008-04-24 12:00:11 +0200 |
commit | 4235a31784f59c9be5ff71534743c055091f9735 (patch) | |
tree | 87080055fed0c3f25a3c816c182a6db5739430b6 /sound/pci/ac97 | |
parent | 2eef1258e54722b1c4efac6e5760d2153f96c4b4 (diff) | |
download | linux-stable-4235a31784f59c9be5ff71534743c055091f9735.tar.gz linux-stable-4235a31784f59c9be5ff71534743c055091f9735.tar.bz2 linux-stable-4235a31784f59c9be5ff71534743c055091f9735.zip |
[ALSA] intel8x0 - Add support of 8 channel sound
Added the support of 8 channel sound for codecs that are known to work.
So far, only ALC850 is marked as a 8ch-support codec.
This fix is a modified version of the patch on ALSA BTS#2097 by
Martin Ellis:
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2097
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ac97')
-rw-r--r-- | sound/pci/ac97/ac97_patch.c | 46 |
1 files changed, 33 insertions, 13 deletions
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index 50c637e55ffa..39198e505b12 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -114,10 +114,9 @@ static int ac97_surround_jack_mode_put(struct snd_kcontrol *kcontrol, struct snd static int ac97_channel_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - static const char *texts[] = { "2ch", "4ch", "6ch" }; - if (kcontrol->private_value) - return ac97_enum_text_info(kcontrol, uinfo, texts, 2); /* 4ch only */ - return ac97_enum_text_info(kcontrol, uinfo, texts, 3); + static const char *texts[] = { "2ch", "4ch", "6ch", "8ch" }; + return ac97_enum_text_info(kcontrol, uinfo, texts, + kcontrol->private_value); } static int ac97_channel_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) @@ -133,13 +132,8 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol); unsigned char mode = ucontrol->value.enumerated.item[0]; - if (kcontrol->private_value) { - if (mode >= 2) - return -EINVAL; - } else { - if (mode >= 3) - return -EINVAL; - } + if (mode >= kcontrol->private_value) + return -EINVAL; if (mode != ac97->channel_mode) { ac97->channel_mode = mode; @@ -158,6 +152,7 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e .get = ac97_surround_jack_mode_get, \ .put = ac97_surround_jack_mode_put, \ } +/* 6ch */ #define AC97_CHANNEL_MODE_CTL \ { \ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ @@ -165,7 +160,9 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e .info = ac97_channel_mode_info, \ .get = ac97_channel_mode_get, \ .put = ac97_channel_mode_put, \ + .private_value = 3, \ } +/* 4ch */ #define AC97_CHANNEL_MODE_4CH_CTL \ { \ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ @@ -173,7 +170,17 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e .info = ac97_channel_mode_info, \ .get = ac97_channel_mode_get, \ .put = ac97_channel_mode_put, \ - .private_value = 1, \ + .private_value = 2, \ + } +/* 8ch */ +#define AC97_CHANNEL_MODE_8CH_CTL \ + { \ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = "Channel Mode", \ + .info = ac97_channel_mode_info, \ + .get = ac97_channel_mode_get, \ + .put = ac97_channel_mode_put, \ + .private_value = 4, \ } static inline int is_surround_on(struct snd_ac97 *ac97) @@ -210,6 +217,10 @@ static inline int is_shared_micin(struct snd_ac97 *ac97) return !ac97->indep_surround && !is_clfe_on(ac97); } +static inline int alc850_is_aux_back_surround(struct snd_ac97 *ac97) +{ + return is_surround_on(ac97); +} /* The following snd_ac97_ymf753_... items added by David Shust (dshust@shustring.com) */ /* Modified for YMF743 by Keita Maehara <maehara@debian.org> */ @@ -2816,10 +2827,12 @@ static int patch_alc655(struct snd_ac97 * ac97) #define AC97_ALC850_JACK_SELECT 0x76 #define AC97_ALC850_MISC1 0x7a +#define AC97_ALC850_MULTICH 0x6a static void alc850_update_jacks(struct snd_ac97 *ac97) { int shared; + int aux_is_back_surround; /* shared Line-In / Surround Out */ shared = is_shared_surrout(ac97); @@ -2837,13 +2850,18 @@ static void alc850_update_jacks(struct snd_ac97 *ac97) /* MIC-IN = 1, CENTER-LFE = 5 */ snd_ac97_update_bits(ac97, AC97_ALC850_JACK_SELECT, 7 << 4, shared ? (5<<4) : (1<<4)); + + aux_is_back_surround = alc850_is_aux_back_surround(ac97); + /* Aux is Back Surround */ + snd_ac97_update_bits(ac97, AC97_ALC850_MULTICH, 1 << 10, + aux_is_back_surround ? (1<<10) : (0<<10)); } static const struct snd_kcontrol_new snd_ac97_controls_alc850[] = { AC97_PAGE_SINGLE("Duplicate Front", AC97_ALC650_MULTICH, 0, 1, 0, 0), AC97_SINGLE("Mic Front Input Switch", AC97_ALC850_JACK_SELECT, 15, 1, 1), AC97_SURROUND_JACK_MODE_CTL, - AC97_CHANNEL_MODE_CTL, + AC97_CHANNEL_MODE_8CH_CTL, }; static int patch_alc850_specific(struct snd_ac97 *ac97) @@ -2869,6 +2887,7 @@ static int patch_alc850(struct snd_ac97 *ac97) ac97->build_ops = &patch_alc850_ops; ac97->spec.dev_flags = 0; /* for IEC958 playback route - ALC655 compatible */ + ac97->flags |= AC97_HAS_8CH; /* assume only page 0 for writing cache */ snd_ac97_update_bits(ac97, AC97_INT_PAGING, AC97_PAGE_MASK, AC97_PAGE_VENDOR); @@ -2878,6 +2897,7 @@ static int patch_alc850(struct snd_ac97 *ac97) spdif-in monitor off, spdif-in PCM off center on mic off, surround on line-in off duplicate front off + NB default bit 10=0 = Aux is Capture, not Back Surround */ snd_ac97_write_cache(ac97, AC97_ALC650_MULTICH, 1<<15); /* SURR_OUT: on, Surr 1kOhm: on, Surr Amp: off, Front 1kOhm: off |