}
for (n = prev_nid + 1; n <= val; n++) {
if (conns >= max_conns) {
- snd_printk(KERN_ERR
- "Too many connections\n");
+ snd_printk(KERN_ERR "hda_codec: "
+ "Too many connections %d for NID 0x%x\n",
+ conns, nid);
return -EINVAL;
}
conn_list[conns++] = n;
}
} else {
if (conns >= max_conns) {
- snd_printk(KERN_ERR "Too many connections\n");
+ snd_printk(KERN_ERR "hda_codec: "
+ "Too many connections %d for NID 0x%x\n",
+ conns, nid);
return -EINVAL;
}
conn_list[conns++] = val;
bus->ops = temp->ops;
mutex_init(&bus->cmd_mutex);
+ mutex_init(&bus->prepare_mutex);
INIT_LIST_HEAD(&bus->codec_list);
snprintf(bus->workq_name, sizeof(bus->workq_name),
total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
for (i = 0; i < total_nodes; i++, nid++) {
function_id = snd_hda_param_read(codec, nid,
- AC_PAR_FUNCTION_TYPE) & 0xff;
- switch (function_id) {
+ AC_PAR_FUNCTION_TYPE);
+ switch (function_id & 0xff) {
case AC_GRP_AUDIO_FUNCTION:
codec->afg = nid;
- codec->function_id = function_id;
+ codec->afg_function_id = function_id & 0xff;
+ codec->afg_unsol = (function_id >> 8) & 1;
break;
case AC_GRP_MODEM_FUNCTION:
codec->mfg = nid;
- codec->function_id = function_id;
+ codec->mfg_function_id = function_id & 0xff;
+ codec->mfg_unsol = (function_id >> 8) & 1;
break;
default:
break;
snd_array_free(&codec->init_pins);
}
+/*
+ * audio-converter setup caches
+ */
+struct hda_cvt_setup {
+ hda_nid_t nid;
+ u8 stream_tag;
+ u8 channel_id;
+ u16 format_id;
+ unsigned char active; /* cvt is currently used */
+ unsigned char dirty; /* setups should be cleared */
+};
+
+/* get or create a cache entry for the given audio converter NID */
+static struct hda_cvt_setup *
+get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
+{
+ struct hda_cvt_setup *p;
+ int i;
+
+ for (i = 0; i < codec->cvt_setups.used; i++) {
+ p = snd_array_elem(&codec->cvt_setups, i);
+ if (p->nid == nid)
+ return p;
+ }
+ p = snd_array_new(&codec->cvt_setups);
+ if (p)
+ p->nid = nid;
+ return p;
+}
+
/*
* codec destructor
*/
snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32);
snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16);
snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16);
+ snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
if (codec->bus->modelname) {
codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL);
if (!codec->modelname) {
u32 stream_tag,
int channel_id, int format)
{
+ struct hda_codec *c;
+ struct hda_cvt_setup *p;
+ unsigned int oldval, newval;
+ int i;
+
if (!nid)
return;
snd_printdd("hda_codec_setup_stream: "
"NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
nid, stream_tag, channel_id, format);
- snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID,
- (stream_tag << 4) | channel_id);
- msleep(1);
- snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format);
+ p = get_hda_cvt_setup(codec, nid);
+ if (!p)
+ return;
+ /* update the stream-id if changed */
+ if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
+ oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
+ newval = (stream_tag << 4) | channel_id;
+ if (oldval != newval)
+ snd_hda_codec_write(codec, nid, 0,
+ AC_VERB_SET_CHANNEL_STREAMID,
+ newval);
+ p->stream_tag = stream_tag;
+ p->channel_id = channel_id;
+ }
+ /* update the format-id if changed */
+ if (p->format_id != format) {
+ oldval = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_STREAM_FORMAT, 0);
+ if (oldval != format) {
+ msleep(1);
+ snd_hda_codec_write(codec, nid, 0,
+ AC_VERB_SET_STREAM_FORMAT,
+ format);
+ }
+ p->format_id = format;
+ }
+ p->active = 1;
+ p->dirty = 0;
+
+ /* make other inactive cvts with the same stream-tag dirty */
+ list_for_each_entry(c, &codec->bus->codec_list, list) {
+ for (i = 0; i < c->cvt_setups.used; i++) {
+ p = snd_array_elem(&c->cvt_setups, i);
+ if (!p->active && p->stream_tag == stream_tag)
+ p->dirty = 1;
+ }
+ }
}
EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream);
+static void really_cleanup_stream(struct hda_codec *codec,
+ struct hda_cvt_setup *q);
+
/**
- * snd_hda_codec_cleanup_stream - clean up the codec for closing
+ * __snd_hda_codec_cleanup_stream - clean up the codec for closing
* @codec: the CODEC to clean up
* @nid: the NID to clean up
+ * @do_now: really clean up the stream instead of clearing the active flag
*/
-void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid)
+void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
+ int do_now)
{
+ struct hda_cvt_setup *p;
+
if (!nid)
return;
snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
+ p = get_hda_cvt_setup(codec, nid);
+ if (p) {
+ /* here we just clear the active flag when do_now isn't set;
+ * actual clean-ups will be done later in
+ * purify_inactive_streams() called from snd_hda_codec_prpapre()
+ */
+ if (do_now)
+ really_cleanup_stream(codec, p);
+ else
+ p->active = 0;
+ }
+}
+EXPORT_SYMBOL_HDA(__snd_hda_codec_cleanup_stream);
+
+static void really_cleanup_stream(struct hda_codec *codec,
+ struct hda_cvt_setup *q)
+{
+ hda_nid_t nid = q->nid;
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0);
-#if 0 /* keep the format */
- msleep(1);
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0);
-#endif
+ memset(q, 0, sizeof(*q));
+ q->nid = nid;
+}
+
+/* clean up the all conflicting obsolete streams */
+static void purify_inactive_streams(struct hda_codec *codec)
+{
+ struct hda_codec *c;
+ int i;
+
+ list_for_each_entry(c, &codec->bus->codec_list, list) {
+ for (i = 0; i < c->cvt_setups.used; i++) {
+ struct hda_cvt_setup *p;
+ p = snd_array_elem(&c->cvt_setups, i);
+ if (p->dirty)
+ really_cleanup_stream(c, p);
+ }
+ }
+}
+
+/* clean up all streams; called from suspend */
+static void hda_cleanup_all_streams(struct hda_codec *codec)
+{
+ int i;
+
+ for (i = 0; i < codec->cvt_setups.used; i++) {
+ struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i);
+ if (p->stream_tag)
+ really_cleanup_stream(codec, p);
+ }
}
-EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
/*
* amp access functions
EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
#endif /* SND_HDA_NEEDS_RESUME */
+static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
+ unsigned int ofs)
+{
+ u32 caps = query_amp_caps(codec, nid, dir);
+ /* get num steps */
+ caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
+ if (ofs < caps)
+ caps -= ofs;
+ return caps;
+}
+
/**
* snd_hda_mixer_amp_volume_info - Info callback for a standard AMP mixer
*
u8 chs = get_amp_channels(kcontrol);
int dir = get_amp_direction(kcontrol);
unsigned int ofs = get_amp_offset(kcontrol);
- u32 caps;
- caps = query_amp_caps(codec, nid, dir);
- /* num steps */
- caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
- if (!caps) {
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = chs == 3 ? 2 : 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = get_amp_max_value(codec, nid, dir, ofs);
+ if (!uinfo->value.integer.max) {
printk(KERN_WARNING "hda_codec: "
"num_steps = 0 for NID=0x%x (ctl = %s)\n", nid,
kcontrol->id.name);
return -EINVAL;
}
- if (ofs < caps)
- caps -= ofs;
- uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- uinfo->count = chs == 3 ? 2 : 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = caps;
return 0;
}
EXPORT_SYMBOL_HDA(snd_hda_mixer_amp_volume_info);
int ch, int dir, int idx, unsigned int ofs,
unsigned int val)
{
+ unsigned int maxval;
+
if (val > 0)
val += ofs;
+ /* ofs = 0: raw max value */
+ maxval = get_amp_max_value(codec, nid, dir, 0);
+ if (val > maxval)
+ val = maxval;
return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
HDA_AMP_VOLMASK, val);
}
{
if (codec->patch_ops.suspend)
codec->patch_ops.suspend(codec, PMSG_SUSPEND);
+ hda_cleanup_all_streams(codec);
hda_set_power_state(codec,
codec->afg ? codec->afg : codec->mfg,
AC_PWRST_D3);
unsigned int hda_fmt;
};
+/* rate = base * mult / div */
+#define HDA_RATE(base, mult, div) \
+ (AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \
+ (((div) - 1) << AC_FMT_DIV_SHIFT))
+
static struct hda_rate_tbl rate_bits[] = {
/* rate in Hz, ALSA rate bitmask, HDA format value */
/* autodetected value used in snd_hda_query_supported_pcm */
- { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */
- { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */
- { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */
- { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */
- { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */
- { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */
- { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */
- { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */
- { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */
- { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */
- { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */
+ { 8000, SNDRV_PCM_RATE_8000, HDA_RATE(48, 1, 6) },
+ { 11025, SNDRV_PCM_RATE_11025, HDA_RATE(44, 1, 4) },
+ { 16000, SNDRV_PCM_RATE_16000, HDA_RATE(48, 1, 3) },
+ { 22050, SNDRV_PCM_RATE_22050, HDA_RATE(44, 1, 2) },
+ { 32000, SNDRV_PCM_RATE_32000, HDA_RATE(48, 2, 3) },
+ { 44100, SNDRV_PCM_RATE_44100, HDA_RATE(44, 1, 1) },
+ { 48000, SNDRV_PCM_RATE_48000, HDA_RATE(48, 1, 1) },
+ { 88200, SNDRV_PCM_RATE_88200, HDA_RATE(44, 2, 1) },
+ { 96000, SNDRV_PCM_RATE_96000, HDA_RATE(48, 2, 1) },
+ { 176400, SNDRV_PCM_RATE_176400, HDA_RATE(44, 4, 1) },
+ { 192000, SNDRV_PCM_RATE_192000, HDA_RATE(48, 4, 1) },
#define AC_PAR_PCM_RATE_BITS 11
/* up to bits 10, 384kHZ isn't supported properly */
/* not autodetected value */
- { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */
+ { 9600, SNDRV_PCM_RATE_KNOT, HDA_RATE(48, 1, 5) },
{ 0 } /* terminator */
};
unsigned int snd_hda_calc_stream_format(unsigned int rate,
unsigned int channels,
unsigned int format,
- unsigned int maxbps)
+ unsigned int maxbps,
+ unsigned short spdif_ctls)
{
int i;
unsigned int val = 0;
switch (snd_pcm_format_width(format)) {
case 8:
- val |= 0x00;
+ val |= AC_FMT_BITS_8;
break;
case 16:
- val |= 0x10;
+ val |= AC_FMT_BITS_16;
break;
case 20:
case 24:
case 32:
if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
- val |= 0x40;
+ val |= AC_FMT_BITS_32;
else if (maxbps >= 24)
- val |= 0x30;
+ val |= AC_FMT_BITS_24;
else
- val |= 0x20;
+ val |= AC_FMT_BITS_20;
break;
default:
snd_printdd("invalid format width %d\n",
return 0;
}
+ if (spdif_ctls & AC_DIG1_NONAUDIO)
+ val |= AC_FMT_TYPE_NON_PCM;
+
return val;
}
EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);
return 0;
}
+/*
+ * codec prepare/cleanup entries
+ */
+int snd_hda_codec_prepare(struct hda_codec *codec,
+ struct hda_pcm_stream *hinfo,
+ unsigned int stream,
+ unsigned int format,
+ struct snd_pcm_substream *substream)
+{
+ int ret;
+ mutex_lock(&codec->bus->prepare_mutex);
+ ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream);
+ if (ret >= 0)
+ purify_inactive_streams(codec);
+ mutex_unlock(&codec->bus->prepare_mutex);
+ return ret;
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_prepare);
+
+void snd_hda_codec_cleanup(struct hda_codec *codec,
+ struct hda_pcm_stream *hinfo,
+ struct snd_pcm_substream *substream)
+{
+ mutex_lock(&codec->bus->prepare_mutex);
+ hinfo->ops.cleanup(hinfo, codec, substream);
+ mutex_unlock(&codec->bus->prepare_mutex);
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup);
+
/* global */
const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = {
"Audio", "SPDIF", "HDMI", "Modem"
}
+/* add the found input-pin to the cfg->inputs[] table */
+static void add_auto_cfg_input_pin(struct auto_pin_cfg *cfg, hda_nid_t nid,
+ int type)
+{
+ if (cfg->num_inputs < AUTO_CFG_MAX_INS) {
+ cfg->inputs[cfg->num_inputs].pin = nid;
+ cfg->inputs[cfg->num_inputs].type = type;
+ cfg->num_inputs++;
+ }
+}
+
+/* sort inputs in the order of AUTO_PIN_* type */
+static void sort_autocfg_input_pins(struct auto_pin_cfg *cfg)
+{
+ int i, j;
+
+ for (i = 0; i < cfg->num_inputs; i++) {
+ for (j = i + 1; j < cfg->num_inputs; j++) {
+ if (cfg->inputs[i].type > cfg->inputs[j].type) {
+ struct auto_pin_cfg_item tmp;
+ tmp = cfg->inputs[i];
+ cfg->inputs[i] = cfg->inputs[j];
+ cfg->inputs[j] = tmp;
+ }
+ }
+ }
+}
+
/*
* Parse all pin widgets and store the useful pin nids to cfg
*
* output, i.e. to line_out_pins[0]. So, line_outs is always positive
* if any analog output exists.
*
- * The analog input pins are assigned to input_pins array.
+ * The analog input pins are assigned to inputs array.
* The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
* respectively.
*/
short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)];
short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)];
short sequences_hp[ARRAY_SIZE(cfg->hp_pins)];
+ int i;
memset(cfg, 0, sizeof(*cfg));
sequences_hp[cfg->hp_outs] = (assoc << 4) | seq;
cfg->hp_outs++;
break;
- case AC_JACK_MIC_IN: {
- int preferred, alt;
- if (loc == AC_JACK_LOC_FRONT ||
- (loc & 0x30) == AC_JACK_LOC_INTERNAL) {
- preferred = AUTO_PIN_FRONT_MIC;
- alt = AUTO_PIN_MIC;
- } else {
- preferred = AUTO_PIN_MIC;
- alt = AUTO_PIN_FRONT_MIC;
- }
- if (!cfg->input_pins[preferred])
- cfg->input_pins[preferred] = nid;
- else if (!cfg->input_pins[alt])
- cfg->input_pins[alt] = nid;
+ case AC_JACK_MIC_IN:
+ add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_MIC);
break;
- }
case AC_JACK_LINE_IN:
- if (loc == AC_JACK_LOC_FRONT)
- cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid;
- else
- cfg->input_pins[AUTO_PIN_LINE] = nid;
+ add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_LINE_IN);
break;
case AC_JACK_CD:
- cfg->input_pins[AUTO_PIN_CD] = nid;
+ add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_CD);
break;
case AC_JACK_AUX:
- cfg->input_pins[AUTO_PIN_AUX] = nid;
+ add_auto_cfg_input_pin(cfg, nid, AUTO_PIN_AUX);
break;
case AC_JACK_SPDIF_OUT:
case AC_JACK_DIG_OTHER_OUT:
cfg->hp_outs--;
memmove(cfg->hp_pins + i, cfg->hp_pins + i + 1,
sizeof(cfg->hp_pins[0]) * (cfg->hp_outs - i));
- memmove(sequences_hp + i - 1, sequences_hp + i,
+ memmove(sequences_hp + i, sequences_hp + i + 1,
sizeof(sequences_hp[0]) * (cfg->hp_outs - i));
}
+ memset(cfg->hp_pins + cfg->hp_outs, 0,
+ sizeof(hda_nid_t) * (AUTO_CFG_MAX_OUTS - cfg->hp_outs));
}
/* sort by sequence */
sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
cfg->hp_outs);
- /* if we have only one mic, make it AUTO_PIN_MIC */
- if (!cfg->input_pins[AUTO_PIN_MIC] &&
- cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
- cfg->input_pins[AUTO_PIN_MIC] =
- cfg->input_pins[AUTO_PIN_FRONT_MIC];
- cfg->input_pins[AUTO_PIN_FRONT_MIC] = 0;
- }
- /* ditto for line-in */
- if (!cfg->input_pins[AUTO_PIN_LINE] &&
- cfg->input_pins[AUTO_PIN_FRONT_LINE]) {
- cfg->input_pins[AUTO_PIN_LINE] =
- cfg->input_pins[AUTO_PIN_FRONT_LINE];
- cfg->input_pins[AUTO_PIN_FRONT_LINE] = 0;
- }
-
/*
* FIX-UP: if no line-outs are detected, try to use speaker or HP pin
* as a primary output
break;
}
+ sort_autocfg_input_pins(cfg);
+
/*
* debug prints of the parsed results
*/
if (cfg->dig_outs)
snd_printd(" dig-out=0x%x/0x%x\n",
cfg->dig_out_pins[0], cfg->dig_out_pins[1]);
- snd_printd(" inputs: mic=0x%x, fmic=0x%x, line=0x%x, fline=0x%x,"
- " cd=0x%x, aux=0x%x\n",
- cfg->input_pins[AUTO_PIN_MIC],
- cfg->input_pins[AUTO_PIN_FRONT_MIC],
- cfg->input_pins[AUTO_PIN_LINE],
- cfg->input_pins[AUTO_PIN_FRONT_LINE],
- cfg->input_pins[AUTO_PIN_CD],
- cfg->input_pins[AUTO_PIN_AUX]);
+ snd_printd(" inputs:");
+ for (i = 0; i < cfg->num_inputs; i++) {
+ snd_printdd(" %s=0x%x",
+ hda_get_autocfg_input_label(codec, cfg, i),
+ cfg->inputs[i].pin);
+ }
+ snd_printd("\n");
if (cfg->dig_in_pin)
snd_printd(" dig-in=0x%x\n", cfg->dig_in_pin);
}
EXPORT_SYMBOL_HDA(snd_hda_parse_pin_def_config);
-/* labels for input pins */
-const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = {
- "Mic", "Front Mic", "Line", "Front Line", "CD", "Aux"
+enum {
+ MIC_ATTR_INT,
+ MIC_ATTR_DOCK,
+ MIC_ATTR_NORMAL,
+ MIC_ATTR_FRONT,
+ MIC_ATTR_REAR,
+};
+
+static int get_mic_pin_attr(unsigned int def_conf)
+{
+ unsigned int loc = get_defcfg_location(def_conf);
+ if (get_defcfg_connect(def_conf) == AC_JACK_PORT_FIXED ||
+ (loc & 0x30) == AC_JACK_LOC_INTERNAL)
+ return MIC_ATTR_INT;
+ if ((loc & 0x30) == AC_JACK_LOC_SEPARATE)
+ return MIC_ATTR_DOCK;
+ if (loc == AC_JACK_LOC_REAR)
+ return MIC_ATTR_REAR;
+ if (loc == AC_JACK_LOC_FRONT)
+ return MIC_ATTR_FRONT;
+ return MIC_ATTR_NORMAL;
+}
+
+enum {
+ LINE_ATTR_DOCK,
+ LINE_ATTR_NORMAL,
};
-EXPORT_SYMBOL_HDA(auto_pin_cfg_labels);
+
+static int get_line_pin_attr(unsigned int def_conf)
+{
+ unsigned int loc = get_defcfg_location(def_conf);
+ if ((loc & 0xf0) == AC_JACK_LOC_SEPARATE)
+ return LINE_ATTR_DOCK;
+ return LINE_ATTR_NORMAL;
+}
+
+/**
+ * hda_get_input_pin_label - Give a label for the given input pin
+ *
+ * When check_location is true, the function checks the pin location
+ * for mic and line-in pins, and set an appropriate prefix like "Front",
+ * "Rear", "Internal".
+ */
+
+const char *hda_get_input_pin_label(struct hda_codec *codec, hda_nid_t pin,
+ int check_location)
+{
+ unsigned int def_conf;
+ static const char *mic_names[] = {
+ "Internal Mic", "Dock Mic", "Mic", "Front Mic", "Rear Mic",
+ };
+ static const char *line_names[] = {
+ "Dock Line", "Line",
+ };
+
+ def_conf = snd_hda_codec_get_pincfg(codec, pin);
+
+ switch (get_defcfg_device(def_conf)) {
+ case AC_JACK_MIC_IN:
+ if (!check_location)
+ return "Mic";
+ return mic_names[get_mic_pin_attr(def_conf)];
+ case AC_JACK_LINE_IN:
+ if (!check_location)
+ return "Line";
+ return line_names[get_line_pin_attr(def_conf)];
+ case AC_JACK_AUX:
+ return "Aux";
+ case AC_JACK_CD:
+ return "CD";
+ case AC_JACK_SPDIF_IN:
+ return "SPDIF In";
+ case AC_JACK_DIG_OTHER_IN:
+ return "Digital In";
+ default:
+ return "Misc";
+ }
+}
+EXPORT_SYMBOL_HDA(hda_get_input_pin_label);
+
+/* Check whether the location prefix needs to be added to the label.
+ * If all mic-jacks are in the same location (e.g. rear panel), we don't
+ * have to put "Front" prefix to each label. In such a case, returns false.
+ */
+static int check_mic_location_need(struct hda_codec *codec,
+ const struct auto_pin_cfg *cfg,
+ int input)
+{
+ unsigned int defc;
+ int i, attr, attr2;
+
+ defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[input].pin);
+ attr = get_mic_pin_attr(defc);
+ /* for internal or docking mics, we need locations */
+ if (attr <= MIC_ATTR_NORMAL)
+ return 1;
+
+ attr = 0;
+ for (i = 0; i < cfg->num_inputs; i++) {
+ defc = snd_hda_codec_get_pincfg(codec, cfg->inputs[i].pin);
+ attr2 = get_mic_pin_attr(defc);
+ if (attr2 >= MIC_ATTR_NORMAL) {
+ if (attr && attr != attr2)
+ return 1; /* different locations found */
+ attr = attr2;
+ }
+ }
+ return 0;
+}
+
+/**
+ * hda_get_autocfg_input_label - Get a label for the given input
+ *
+ * Get a label for the given input pin defined by the autocfg item.
+ * Unlike hda_get_input_pin_label(), this function checks all inputs
+ * defined in autocfg and avoids the redundant mic/line prefix as much as
+ * possible.
+ */
+const char *hda_get_autocfg_input_label(struct hda_codec *codec,
+ const struct auto_pin_cfg *cfg,
+ int input)
+{
+ int type = cfg->inputs[input].type;
+ int has_multiple_pins = 0;
+
+ if ((input > 0 && cfg->inputs[input - 1].type == type) ||
+ (input < cfg->num_inputs - 1 && cfg->inputs[input + 1].type == type))
+ has_multiple_pins = 1;
+ if (has_multiple_pins && type == AUTO_PIN_MIC)
+ has_multiple_pins &= check_mic_location_need(codec, cfg, input);
+ return hda_get_input_pin_label(codec, cfg->inputs[input].pin,
+ has_multiple_pins);
+}
+EXPORT_SYMBOL_HDA(hda_get_autocfg_input_label);
+
+/**
+ * snd_hda_add_imux_item - Add an item to input_mux
+ *
+ * When the same label is used already in the existing items, the number
+ * suffix is appended to the label. This label index number is stored
+ * to type_idx when non-NULL pointer is given.
+ */
+int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label,
+ int index, int *type_idx)
+{
+ int i, label_idx = 0;
+ if (imux->num_items >= HDA_MAX_NUM_INPUTS) {
+ snd_printd(KERN_ERR "hda_codec: Too many imux items!\n");
+ return -EINVAL;
+ }
+ for (i = 0; i < imux->num_items; i++) {
+ if (!strncmp(label, imux->items[i].label, strlen(label)))
+ label_idx++;
+ }
+ if (type_idx)
+ *type_idx = label_idx;
+ if (label_idx > 0)
+ snprintf(imux->items[imux->num_items].label,
+ sizeof(imux->items[imux->num_items].label),
+ "%s %d", label, label_idx);
+ else
+ strlcpy(imux->items[imux->num_items].label, label,
+ sizeof(imux->items[imux->num_items].label));
+ imux->items[imux->num_items].index = index;
+ imux->num_items++;
+ return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_add_imux_item);
#ifdef CONFIG_PM
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff