From 3292af8a515804fa8ad7452a3384ea523511c16f Mon Sep 17 00:00:00 2001 From: Maxim Levitsky maximlevitsky@gmail.com Date: Mon, 3 Sep 2007 14:12:56 +0300 Subject: [PATCH] add support for swapping center/LFE channels
Center\LFE channels are located on same jack, so it can be usefull to swap them
Signed-off-by: Maxim Levitsky maximlevitsky@gmail.com --- pci/hda/patch_sigmatel.c | 76 +++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 72 insertions(+), 4 deletions(-)
diff --git a/pci/hda/patch_sigmatel.c b/pci/hda/patch_sigmatel.c index b4a1d73..297f740 100644 --- a/pci/hda/patch_sigmatel.c +++ b/pci/hda/patch_sigmatel.c @@ -146,6 +146,7 @@ struct sigmatel_spec {
/* i/o switches */ unsigned int io_switch[2]; + unsigned int clfe_swap;
struct hda_pcm pcm_rec[2]; /* PCM information */
@@ -1406,6 +1407,36 @@ static int stac92xx_io_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ return 1; }
+#define stac92xx_clfe_switch_info snd_ctl_boolean_mono_info + +static int stac92xx_clfe_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct sigmatel_spec *spec = codec->spec; + + ucontrol->value.integer.value[0] = spec->clfe_swap; + return 0; +} + +static int stac92xx_clfe_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct sigmatel_spec *spec = codec->spec; + hda_nid_t nid = kcontrol->private_value & 0xff; + + if (spec->clfe_swap == ucontrol->value.integer.value[0]) + return 0; + + spec->clfe_swap = ucontrol->value.integer.value[0]; + + snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_EAPD_BTLENABLE, + spec->clfe_swap ? 0x4 : 0x0); + + return 1; +} + #define STAC_CODEC_IO_SWITCH(xname, xpval) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ .name = xname, \ @@ -1416,17 +1447,28 @@ static int stac92xx_io_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ .private_value = xpval, \ }
+#define STAC_CODEC_CLFE_SWITCH(xname, xpval) \ + { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ + .name = xname, \ + .index = 0, \ + .info = stac92xx_clfe_switch_info, \ + .get = stac92xx_clfe_switch_get, \ + .put = stac92xx_clfe_switch_put, \ + .private_value = xpval, \ + }
enum { STAC_CTL_WIDGET_VOL, STAC_CTL_WIDGET_MUTE, STAC_CTL_WIDGET_IO_SWITCH, + STAC_CTL_WIDGET_CLFE_SWITCH };
static struct snd_kcontrol_new stac92xx_control_templates[] = { HDA_CODEC_VOLUME(NULL, 0, 0, 0), HDA_CODEC_MUTE(NULL, 0, 0, 0), STAC_CODEC_IO_SWITCH(NULL, 0), + STAC_CODEC_CLFE_SWITCH(NULL, 0), };
/* add dynamic controls */ @@ -1620,7 +1662,7 @@ static int create_controls(struct sigmatel_spec *spec, const char *pfx, hda_nid_ }
/* add playback controls from the parsed DAC table */ -static int stac92xx_auto_create_multi_out_ctls(struct sigmatel_spec *spec, +static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec, const struct auto_pin_cfg *cfg) { static const char *chname[4] = { @@ -1629,6 +1671,10 @@ static int stac92xx_auto_create_multi_out_ctls(struct sigmatel_spec *spec, hda_nid_t nid; int i, err;
+ struct sigmatel_spec *spec = codec->spec; + unsigned int wid_caps; + + for (i = 0; i < cfg->line_outs; i++) { if (!spec->multiout.dac_nids[i]) continue; @@ -1643,6 +1689,18 @@ static int stac92xx_auto_create_multi_out_ctls(struct sigmatel_spec *spec, err = create_controls(spec, "LFE", nid, 2); if (err < 0) return err; + + wid_caps = get_wcaps(codec, nid); + + if (wid_caps & AC_WCAP_LR_SWAP) { + err = stac92xx_add_control(spec, + STAC_CTL_WIDGET_CLFE_SWITCH, + "Swap Center/LFE Playback Switch", nid); + + if (err < 0) + return err; + } + } else { err = create_controls(spec, chname[i], nid, 3); if (err < 0) @@ -1895,9 +1953,19 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out if ((err = stac92xx_auto_fill_dac_nids(codec, &spec->autocfg)) < 0) return err;
- if ((err = stac92xx_auto_create_multi_out_ctls(spec, &spec->autocfg)) < 0 || - (err = stac92xx_auto_create_hp_ctls(codec, &spec->autocfg)) < 0 || - (err = stac92xx_auto_create_analog_input_ctls(codec, &spec->autocfg)) < 0) + err = stac92xx_auto_create_multi_out_ctls(codec, &spec->autocfg); + + if (err < 0) + return err; + + err = stac92xx_auto_create_hp_ctls(codec, &spec->autocfg); + + if (err < 0) + return err; + + err = stac92xx_auto_create_analog_input_ctls(codec, &spec->autocfg); + + if (err < 0) return err;
if (spec->num_dmics > 0)