unsigned int parse_flags; /* flag for snd_hda_parse_pin_defcfg() */
+ /* OPLC XO specific */
+ bool recording;
+ bool dc_enable;
+ unsigned int dc_input_bias; /* offset into olpc_xo_dc_bias */
+ struct nid_path *dc_mode_path;
+
#ifdef ENABLE_CXT_STATIC_QUIRKS
const struct snd_kcontrol_new *mixers[5];
int num_mixers;
unsigned int hp_laptop:1;
unsigned int asus:1;
- unsigned int ext_mic_present;
- unsigned int recording;
- void (*capture_prepare)(struct hda_codec *codec);
- void (*capture_cleanup)(struct hda_codec *codec);
-
- /* OLPC XO-1.5 supports DC input mode (e.g. for use with analog sensors)
- * through the microphone jack.
- * When the user enables this through a mixer switch, both internal and
- * external microphones are disabled. Gain is fixed at 0dB. In this mode,
- * we also allow the bias to be configured through a separate mixer
- * control. */
- unsigned int dc_enable;
- unsigned int dc_input_bias; /* offset into cxt5066_olpc_dc_bias */
unsigned int mic_boost; /* offset into cxt5066_analog_mic_boost */
#endif /* ENABLE_CXT_STATIC_QUIRKS */
};
struct snd_pcm_substream *substream)
{
struct conexant_spec *spec = codec->spec;
- if (spec->capture_prepare)
- spec->capture_prepare(codec);
snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
stream_tag, 0, format);
return 0;
{
struct conexant_spec *spec = codec->spec;
snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
- if (spec->capture_cleanup)
- spec->capture_cleanup(codec);
return 0;
}
static const hda_nid_t cxt5066_capsrc_nids[1] = { 0x17 };
static const hda_nid_t cxt5066_digout_pin_nids[2] = { 0x20, 0x22 };
-/* OLPC's microphone port is DC coupled for use with external sensors,
- * therefore we use a 50% mic bias in order to center the input signal with
- * the DC input range of the codec. */
-#define CXT5066_OLPC_EXT_MIC_BIAS PIN_VREF50
-
static const struct hda_channel_mode cxt5066_modes[1] = {
{ 2, NULL },
};
return 1;
}
-static const struct hda_input_mux cxt5066_olpc_dc_bias = {
- .num_items = 3,
- .items = {
- { "Off", PIN_IN },
- { "50%", PIN_VREF50 },
- { "80%", PIN_VREF80 },
- },
-};
-
-static int cxt5066_set_olpc_dc_bias(struct hda_codec *codec)
-{
- struct conexant_spec *spec = codec->spec;
- /* Even though port F is the DC input, the bias is controlled on port B.
- * we also leave that port as an active input (but unselected) in DC mode
- * just in case that is necessary to make the bias setting take effect. */
- return snd_hda_set_pin_ctl_cache(codec, 0x1a,
- cxt5066_olpc_dc_bias.items[spec->dc_input_bias].index);
-}
-
-/* OLPC defers mic widget control until when capture is started because the
- * microphone LED comes on as soon as these settings are put in place. if we
- * did this before recording, it would give the false indication that recording
- * is happening when it is not. */
-static void cxt5066_olpc_select_mic(struct hda_codec *codec)
-{
- struct conexant_spec *spec = codec->spec;
- if (!spec->recording)
- return;
-
- if (spec->dc_enable) {
- /* in DC mode we ignore presence detection and just use the jack
- * through our special DC port */
- const struct hda_verb enable_dc_mode[] = {
- /* disble internal mic, port C */
- {0x1b, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* enable DC capture, port F */
- {0x1e, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_IN},
- {},
- };
-
- snd_hda_sequence_write(codec, enable_dc_mode);
- /* port B input disabled (and bias set) through the following call */
- cxt5066_set_olpc_dc_bias(codec);
- return;
- }
-
- /* disable DC (port F) */
- snd_hda_set_pin_ctl(codec, 0x1e, 0);
-
- /* external mic, port B */
- snd_hda_set_pin_ctl(codec, 0x1a,
- spec->ext_mic_present ? CXT5066_OLPC_EXT_MIC_BIAS : 0);
-
- /* internal mic, port C */
- snd_hda_set_pin_ctl(codec, 0x1b,
- spec->ext_mic_present ? 0 : PIN_VREF80);
-}
-
-/* toggle input of built-in and mic jack appropriately */
-static void cxt5066_olpc_automic(struct hda_codec *codec)
-{
- struct conexant_spec *spec = codec->spec;
- unsigned int present;
-
- if (spec->dc_enable) /* don't do presence detection in DC mode */
- return;
-
- present = snd_hda_codec_read(codec, 0x1a, 0,
- AC_VERB_GET_PIN_SENSE, 0) & 0x80000000;
- if (present)
- snd_printdd("CXT5066: external microphone detected\n");
- else
- snd_printdd("CXT5066: external microphone absent\n");
-
- snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_CONNECT_SEL,
- present ? 0 : 1);
- spec->ext_mic_present = !!present;
-
- cxt5066_olpc_select_mic(codec);
-}
-
/* toggle input of built-in digital mic and mic jack appropriately */
static void cxt5066_vostro_automic(struct hda_codec *codec)
{
cxt5066_asus_automic(codec);
}
-/* unsolicited event for jack sensing */
-static void cxt5066_olpc_unsol_event(struct hda_codec *codec, unsigned int res)
-{
- struct conexant_spec *spec = codec->spec;
- snd_printdd("CXT5066: unsol event %x (%x)\n", res, res >> 26);
- switch (res >> 26) {
- case CONEXANT_HP_EVENT:
- cxt5066_hp_automute(codec);
- break;
- case CONEXANT_MIC_EVENT:
- /* ignore mic events in DC mode; we're always using the jack */
- if (!spec->dc_enable)
- cxt5066_olpc_automic(codec);
- break;
- }
-}
-
/* unsolicited event for jack sensing */
static void cxt5066_unsol_event(struct hda_codec *codec, unsigned int res)
{
idx = imux->num_items - 1;
spec->mic_boost = idx;
- if (!spec->dc_enable)
- cxt5066_set_mic_boost(codec);
- return 1;
-}
-
-static void cxt5066_enable_dc(struct hda_codec *codec)
-{
- const struct hda_verb enable_dc_mode[] = {
- /* disable gain */
- {0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
-
- /* switch to DC input */
- {0x17, AC_VERB_SET_CONNECT_SEL, 3},
- {}
- };
-
- /* configure as input source */
- snd_hda_sequence_write(codec, enable_dc_mode);
- cxt5066_olpc_select_mic(codec); /* also sets configured bias */
-}
-
-static void cxt5066_disable_dc(struct hda_codec *codec)
-{
- /* reconfigure input source */
cxt5066_set_mic_boost(codec);
- /* automic also selects the right mic if we're recording */
- cxt5066_olpc_automic(codec);
-}
-
-static int cxt5066_olpc_dc_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
- struct conexant_spec *spec = codec->spec;
- ucontrol->value.integer.value[0] = spec->dc_enable;
- return 0;
-}
-
-static int cxt5066_olpc_dc_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
- struct conexant_spec *spec = codec->spec;
- int dc_enable = !!ucontrol->value.integer.value[0];
-
- if (dc_enable == spec->dc_enable)
- return 0;
-
- spec->dc_enable = dc_enable;
- if (dc_enable)
- cxt5066_enable_dc(codec);
- else
- cxt5066_disable_dc(codec);
-
return 1;
}
-static int cxt5066_olpc_dc_bias_enum_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *uinfo)
-{
- return snd_hda_input_mux_info(&cxt5066_olpc_dc_bias, uinfo);
-}
-
-static int cxt5066_olpc_dc_bias_enum_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
- struct conexant_spec *spec = codec->spec;
- ucontrol->value.enumerated.item[0] = spec->dc_input_bias;
- return 0;
-}
-
-static int cxt5066_olpc_dc_bias_enum_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
- struct conexant_spec *spec = codec->spec;
- const struct hda_input_mux *imux = &cxt5066_analog_mic_boost;
- unsigned int idx;
-
- idx = ucontrol->value.enumerated.item[0];
- if (idx >= imux->num_items)
- idx = imux->num_items - 1;
-
- spec->dc_input_bias = idx;
- if (spec->dc_enable)
- cxt5066_set_olpc_dc_bias(codec);
- return 1;
-}
-
-static void cxt5066_olpc_capture_prepare(struct hda_codec *codec)
-{
- struct conexant_spec *spec = codec->spec;
- /* mark as recording and configure the microphone widget so that the
- * recording LED comes on. */
- spec->recording = 1;
- cxt5066_olpc_select_mic(codec);
-}
-
-static void cxt5066_olpc_capture_cleanup(struct hda_codec *codec)
-{
- struct conexant_spec *spec = codec->spec;
- const struct hda_verb disable_mics[] = {
- /* disable external mic, port B */
- {0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* disble internal mic, port C */
- {0x1b, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* disable DC capture, port F */
- {0x1e, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
- {},
- };
-
- snd_hda_sequence_write(codec, disable_mics);
- spec->recording = 0;
-}
-
static void conexant_check_dig_outs(struct hda_codec *codec,
const hda_nid_t *dig_pins,
int num_pins)
{}
};
-static const struct snd_kcontrol_new cxt5066_mixer_master_olpc[] = {
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Master Playback Volume",
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ |
- SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,
- .subdevice = HDA_SUBDEV_AMP_FLAG,
- .info = snd_hda_mixer_amp_volume_info,
- .get = snd_hda_mixer_amp_volume_get,
- .put = snd_hda_mixer_amp_volume_put,
- .tlv = { .c = snd_hda_mixer_amp_tlv },
- /* offset by 28 volume steps to limit minimum gain to -46dB */
- .private_value =
- HDA_COMPOSE_AMP_VAL_OFS(0x10, 3, 0, HDA_OUTPUT, 28),
- },
- {}
-};
-
-static const struct snd_kcontrol_new cxt5066_mixer_olpc_dc[] = {
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "DC Mode Enable Switch",
- .info = snd_ctl_boolean_mono_info,
- .get = cxt5066_olpc_dc_get,
- .put = cxt5066_olpc_dc_put,
- },
- {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "DC Input Bias Enum",
- .info = cxt5066_olpc_dc_bias_enum_info,
- .get = cxt5066_olpc_dc_bias_enum_get,
- .put = cxt5066_olpc_dc_bias_enum_put,
- },
- {}
-};
-
static const struct snd_kcontrol_new cxt5066_mixers[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
{ } /* end */
};
-static const struct hda_verb cxt5066_init_verbs_olpc[] = {
- /* Port A: headphones */
- {0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP},
- {0x19, AC_VERB_SET_CONNECT_SEL, 0x00}, /* DAC1 */
-
- /* Port B: external microphone */
- {0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* Port C: internal microphone */
- {0x1b, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* Port D: unused */
- {0x1c, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* Port E: unused, but has primary EAPD */
- {0x1d, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
- {0x1d, AC_VERB_SET_EAPD_BTLENABLE, 0x2}, /* default on */
-
- /* Port F: external DC input through microphone port */
- {0x1e, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* Port G: internal speakers */
- {0x1f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT},
- {0x1f, AC_VERB_SET_CONNECT_SEL, 0x00}, /* DAC1 */
-
- /* DAC1 */
- {0x10, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE},
-
- /* DAC2: unused */
- {0x11, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE},
-
- {0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_UNMUTE(0) | 0x50},
- {0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
- {0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
- {0x14, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
- {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
- {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
- {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
- {0x15, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
- {0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(0)},
- {0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(1)},
- {0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(2)},
- {0x16, AC_VERB_SET_AMP_GAIN_MUTE, AMP_IN_MUTE(3)},
-
- /* Disable digital microphone port */
- {0x23, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* Audio input selectors */
- {0x17, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE | 0x3},
- {0x18, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE },
-
- /* Disable SPDIF */
- {0x20, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
- {0x22, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
-
- /* enable unsolicited events for Port A and B */
- {0x19, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | CONEXANT_HP_EVENT},
- {0x1a, AC_VERB_SET_UNSOLICITED_ENABLE, AC_USRSP_EN | CONEXANT_MIC_EVENT},
- { } /* end */
-};
-
static const struct hda_verb cxt5066_init_verbs_vostro[] = {
/* Port A: headphones */
{0x19, AC_VERB_SET_PIN_WIDGET_CONTROL, 0},
return 0;
}
-static int cxt5066_olpc_init(struct hda_codec *codec)
-{
- struct conexant_spec *spec = codec->spec;
- snd_printdd("CXT5066: init\n");
- conexant_init(codec);
- cxt5066_hp_automute(codec);
- if (!spec->dc_enable) {
- cxt5066_set_mic_boost(codec);
- cxt5066_olpc_automic(codec);
- } else {
- cxt5066_enable_dc(codec);
- }
- return 0;
-}
-
enum {
CXT5066_LAPTOP, /* Laptops w/ EAPD support */
CXT5066_DELL_LAPTOP, /* Dell Laptop */
- CXT5066_OLPC_XO_1_5, /* OLPC XO 1.5 */
CXT5066_DELL_VOSTRO, /* Dell Vostro 1015i */
CXT5066_IDEAPAD, /* Lenovo IdeaPad U150 */
CXT5066_THINKPAD, /* Lenovo ThinkPad T410s, others? */
static const char * const cxt5066_models[CXT5066_MODELS] = {
[CXT5066_LAPTOP] = "laptop",
[CXT5066_DELL_LAPTOP] = "dell-laptop",
- [CXT5066_OLPC_XO_1_5] = "olpc-xo-1_5",
[CXT5066_DELL_VOSTRO] = "dell-vostro",
[CXT5066_IDEAPAD] = "ideapad",
[CXT5066_THINKPAD] = "thinkpad",
SND_PCI_QUIRK(0x1043, 0x1643, "Asus K52JU", CXT5066_ASUS),
SND_PCI_QUIRK(0x1043, 0x1993, "Asus U50F", CXT5066_ASUS),
SND_PCI_QUIRK(0x1179, 0xff1e, "Toshiba Satellite C650D", CXT5066_IDEAPAD),
- SND_PCI_QUIRK(0x1179, 0xff50, "Toshiba Satellite P500-PSPGSC-01800T", CXT5066_OLPC_XO_1_5),
SND_PCI_QUIRK(0x14f1, 0x0101, "Conexant Reference board",
CXT5066_LAPTOP),
- SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT5066_OLPC_XO_1_5),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400s", CXT5066_THINKPAD),
SND_PCI_QUIRK(0x17aa, 0x21c5, "Thinkpad Edge 13", CXT5066_THINKPAD),
SND_PCI_QUIRK(0x17aa, 0x21c6, "Thinkpad Edge 13", CXT5066_ASUS),
spec->mic_boost = 3; /* default 30dB gain */
break;
- case CXT5066_OLPC_XO_1_5:
- codec->patch_ops.init = cxt5066_olpc_init;
- codec->patch_ops.unsol_event = cxt5066_olpc_unsol_event;
- spec->init_verbs[0] = cxt5066_init_verbs_olpc;
- spec->mixers[spec->num_mixers++] = cxt5066_mixer_master_olpc;
- spec->mixers[spec->num_mixers++] = cxt5066_mixer_olpc_dc;
- spec->mixers[spec->num_mixers++] = cxt5066_mixers;
- spec->port_d_mode = 0;
- spec->mic_boost = 3; /* default 30dB gain */
-
- /* no S/PDIF out */
- spec->multiout.dig_out_nid = 0;
-
- /* input source automatically selected */
- spec->input_mux = NULL;
-
- /* our capture hooks which allow us to turn on the microphone LED
- * at the right time */
- spec->capture_prepare = cxt5066_olpc_capture_prepare;
- spec->capture_cleanup = cxt5066_olpc_capture_cleanup;
- break;
case CXT5066_DELL_VOSTRO:
codec->patch_ops.init = cxt5066_init;
codec->patch_ops.unsol_event = cxt5066_unsol_event;
spec->init_verbs[0] = cxt5066_init_verbs_vostro;
- spec->mixers[spec->num_mixers++] = cxt5066_mixer_master_olpc;
+ spec->mixers[spec->num_mixers++] = cxt5066_mixer_master;
spec->mixers[spec->num_mixers++] = cxt5066_mixers;
spec->mixers[spec->num_mixers++] = cxt5066_vostro_mixers;
spec->port_d_mode = 0;
CXT_FIXUP_HEADPHONE_MIC,
CXT_FIXUP_GPIO1,
CXT_FIXUP_THINKPAD_ACPI,
+ CXT_FIXUP_OLPC_XO,
};
/* for hda_fixup_thinkpad_acpi() */
}
}
+/* OPLC XO 1.5 fixup */
+
+/* OLPC XO-1.5 supports DC input mode (e.g. for use with analog sensors)
+ * through the microphone jack.
+ * When the user enables this through a mixer switch, both internal and
+ * external microphones are disabled. Gain is fixed at 0dB. In this mode,
+ * we also allow the bias to be configured through a separate mixer
+ * control. */
+
+#define update_mic_pin(codec, nid, val) \
+ snd_hda_codec_update_cache(codec, nid, 0, \
+ AC_VERB_SET_PIN_WIDGET_CONTROL, val)
+
+static const struct hda_input_mux olpc_xo_dc_bias = {
+ .num_items = 3,
+ .items = {
+ { "Off", PIN_IN },
+ { "50%", PIN_VREF50 },
+ { "80%", PIN_VREF80 },
+ },
+};
+
+static void olpc_xo_update_mic_boost(struct hda_codec *codec)
+{
+ struct conexant_spec *spec = codec->spec;
+ int ch, val;
+
+ for (ch = 0; ch < 2; ch++) {
+ val = AC_AMP_SET_OUTPUT |
+ (ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT);
+ if (!spec->dc_enable)
+ val |= snd_hda_codec_amp_read(codec, 0x17, ch, HDA_OUTPUT, 0);
+ snd_hda_codec_write(codec, 0x17, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE, val);
+ }
+}
+
+static void olpc_xo_update_mic_pins(struct hda_codec *codec)
+{
+ struct conexant_spec *spec = codec->spec;
+ int cur_input, val;
+ struct nid_path *path;
+
+ cur_input = spec->gen.input_paths[0][spec->gen.cur_mux[0]];
+
+ /* Set up mic pins for port-B, C and F dynamically as the recording
+ * LED is turned on/off by these pin controls
+ */
+ if (!spec->dc_enable) {
+ /* disable DC bias path and pin for port F */
+ update_mic_pin(codec, 0x1e, 0);
+ snd_hda_activate_path(codec, spec->dc_mode_path, false, false);
+
+ /* update port B (ext mic) and C (int mic) */
+ /* OLPC defers mic widget control until when capture is
+ * started because the microphone LED comes on as soon as
+ * these settings are put in place. if we did this before
+ * recording, it would give the false indication that
+ * recording is happening when it is not.
+ */
+ update_mic_pin(codec, 0x1a, spec->recording ?
+ snd_hda_codec_get_pin_target(codec, 0x1a) : 0);
+ update_mic_pin(codec, 0x1b, spec->recording ?
+ snd_hda_codec_get_pin_target(codec, 0x1b) : 0);
+ /* enable normal mic path */
+ path = snd_hda_get_path_from_idx(codec, cur_input);
+ if (path)
+ snd_hda_activate_path(codec, path, true, false);
+ } else {
+ /* disable normal mic path */
+ path = snd_hda_get_path_from_idx(codec, cur_input);
+ if (path)
+ snd_hda_activate_path(codec, path, false, false);
+
+ /* Even though port F is the DC input, the bias is controlled
+ * on port B. We also leave that port as an active input (but
+ * unselected) in DC mode just in case that is necessary to
+ * make the bias setting take effect.
+ */
+ if (spec->recording)
+ val = olpc_xo_dc_bias.items[spec->dc_input_bias].index;
+ else
+ val = 0;
+ update_mic_pin(codec, 0x1a, val);
+ update_mic_pin(codec, 0x1b, 0);
+ /* enable DC bias path and pin */
+ update_mic_pin(codec, 0x1e, spec->recording ? PIN_IN : 0);
+ snd_hda_activate_path(codec, spec->dc_mode_path, true, false);
+ }
+}
+
+/* mic_autoswitch hook */
+static void olpc_xo_automic(struct hda_codec *codec, struct hda_jack_tbl *jack)
+{
+ struct conexant_spec *spec = codec->spec;
+ int saved_cached_write = codec->cached_write;
+
+ codec->cached_write = 1;
+ /* in DC mode, we don't handle automic */
+ if (!spec->dc_enable)
+ snd_hda_gen_mic_autoswitch(codec, jack);
+ olpc_xo_update_mic_pins(codec);
+ snd_hda_codec_flush_cache(codec);
+ codec->cached_write = saved_cached_write;
+ if (spec->dc_enable)
+ olpc_xo_update_mic_boost(codec);
+}
+
+/* pcm_capture hook */
+static void olpc_xo_capture_hook(struct hda_pcm_stream *hinfo,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream,
+ int action)
+{
+ struct conexant_spec *spec = codec->spec;
+
+ /* toggle spec->recording flag and update mic pins accordingly
+ * for turning on/off LED
+ */
+ switch (action) {
+ case HDA_GEN_PCM_ACT_PREPARE:
+ spec->recording = 1;
+ olpc_xo_update_mic_pins(codec);
+ break;
+ case HDA_GEN_PCM_ACT_CLEANUP:
+ spec->recording = 0;
+ olpc_xo_update_mic_pins(codec);
+ break;
+ }
+}
+
+static int olpc_xo_dc_mode_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct conexant_spec *spec = codec->spec;
+ ucontrol->value.integer.value[0] = spec->dc_enable;
+ return 0;
+}
+
+static int olpc_xo_dc_mode_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct conexant_spec *spec = codec->spec;
+ int dc_enable = !!ucontrol->value.integer.value[0];
+
+ if (dc_enable == spec->dc_enable)
+ return 0;
+
+ spec->dc_enable = dc_enable;
+ olpc_xo_update_mic_pins(codec);
+ olpc_xo_update_mic_boost(codec);
+ return 1;
+}
+
+static int olpc_xo_dc_bias_enum_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct conexant_spec *spec = codec->spec;
+ ucontrol->value.enumerated.item[0] = spec->dc_input_bias;
+ return 0;
+}
+
+static int olpc_xo_dc_bias_enum_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ return snd_hda_input_mux_info(&olpc_xo_dc_bias, uinfo);
+}
+
+static int olpc_xo_dc_bias_enum_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct conexant_spec *spec = codec->spec;
+ const struct hda_input_mux *imux = &olpc_xo_dc_bias;
+ unsigned int idx;
+
+ idx = ucontrol->value.enumerated.item[0];
+ if (idx >= imux->num_items)
+ idx = imux->num_items - 1;
+ if (spec->dc_input_bias == idx)
+ return 0;
+
+ spec->dc_input_bias = idx;
+ if (spec->dc_enable)
+ olpc_xo_update_mic_pins(codec);
+ return 1;
+}
+
+static const struct snd_kcontrol_new olpc_xo_mixers[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "DC Mode Enable Switch",
+ .info = snd_ctl_boolean_mono_info,
+ .get = olpc_xo_dc_mode_get,
+ .put = olpc_xo_dc_mode_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "DC Input Bias Enum",
+ .info = olpc_xo_dc_bias_enum_info,
+ .get = olpc_xo_dc_bias_enum_get,
+ .put = olpc_xo_dc_bias_enum_put,
+ },
+ {}
+};
+
+/* overriding mic boost put callback; update mic boost volume only when
+ * DC mode is disabled
+ */
+static int olpc_xo_mic_boost_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct conexant_spec *spec = codec->spec;
+ int ret = snd_hda_mixer_amp_volume_put(kcontrol, ucontrol);
+ if (ret > 0 && spec->dc_enable)
+ olpc_xo_update_mic_boost(codec);
+ return ret;
+}
+
+static void cxt_fixup_olpc_xo(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ struct conexant_spec *spec = codec->spec;
+ int i;
+
+ if (action != HDA_FIXUP_ACT_PROBE)
+ return;
+
+ spec->gen.mic_autoswitch_hook = olpc_xo_automic;
+ spec->gen.pcm_capture_hook = olpc_xo_capture_hook;
+ spec->dc_mode_path = snd_hda_add_new_path(codec, 0x1e, 0x14, 0);
+
+ snd_hda_add_new_ctls(codec, olpc_xo_mixers);
+
+ /* OLPC's microphone port is DC coupled for use with external sensors,
+ * therefore we use a 50% mic bias in order to center the input signal
+ * with the DC input range of the codec.
+ */
+ snd_hda_codec_set_pin_target(codec, 0x1a, PIN_VREF50);
+
+ /* override mic boost control */
+ for (i = 0; i < spec->gen.kctls.used; i++) {
+ struct snd_kcontrol_new *kctl =
+ snd_array_elem(&spec->gen.kctls, i);
+ if (!strcmp(kctl->name, "Mic Boost Volume")) {
+ kctl->put = olpc_xo_mic_boost_put;
+ break;
+ }
+ }
+}
+
/* ThinkPad X200 & co with cxt5051 */
static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = {
.type = HDA_FIXUP_FUNC,
.v.func = hda_fixup_thinkpad_acpi,
},
+ [CXT_FIXUP_OLPC_XO] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = cxt_fixup_olpc_xo,
+ },
};
static const struct snd_pci_quirk cxt5051_fixups[] = {
SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC),
SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_GPIO1),
SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
+ SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410),
SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo T410", CXT_PINCFG_LENOVO_TP410),
SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410),
{ .id = CXT_PINCFG_LENOVO_TP410, .name = "tp410" },
{ .id = CXT_FIXUP_THINKPAD_ACPI, .name = "thinkpad" },
{ .id = CXT_PINCFG_LEMOTE_A1004, .name = "lemote-a1004" },
+ { .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" },
{}
};