again:
snd_hda_power_up(codec);
mutex_lock(&bus->cmd_mutex);
- trace_hda_send_cmd(codec, cmd);
- err = bus->ops.command(bus, cmd);
+ for (;;) {
+ trace_hda_send_cmd(codec, cmd);
+ err = bus->ops.command(bus, cmd);
+ if (err != -EAGAIN)
+ break;
+ /* process pending verbs */
+ bus->ops.get_response(bus, codec->addr);
+ }
if (!err && res) {
*res = bus->ops.get_response(bus, codec->addr);
trace_hda_get_response(codec, *res);
}
EXPORT_SYMBOL_HDA(snd_hda_get_sub_nodes);
+/* connection list element */
+struct hda_conn_list {
+ struct list_head list;
+ int len;
+ hda_nid_t nid;
+ hda_nid_t conns[0];
+};
+
/* look up the cached results */
-static hda_nid_t *lookup_conn_list(struct snd_array *array, hda_nid_t nid)
+static struct hda_conn_list *
+lookup_conn_list(struct hda_codec *codec, hda_nid_t nid)
{
- int i, len;
- for (i = 0; i < array->used; ) {
- hda_nid_t *p = snd_array_elem(array, i);
- if (nid == *p)
+ struct hda_conn_list *p;
+ list_for_each_entry(p, &codec->conn_list, list) {
+ if (p->nid == nid)
return p;
- len = p[1];
- i += len + 2;
}
return NULL;
}
+static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
+ const hda_nid_t *list)
+{
+ struct hda_conn_list *p;
+
+ p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+ p->len = len;
+ p->nid = nid;
+ memcpy(p->conns, list, len * sizeof(hda_nid_t));
+ list_add(&p->list, &codec->conn_list);
+ return 0;
+}
+
+static void remove_conn_list(struct hda_codec *codec)
+{
+ while (!list_empty(&codec->conn_list)) {
+ struct hda_conn_list *p;
+ p = list_first_entry(&codec->conn_list, typeof(*p), list);
+ list_del(&p->list);
+ kfree(p);
+ }
+}
+
/* read the connection and add to the cache */
static int read_and_add_raw_conns(struct hda_codec *codec, hda_nid_t nid)
{
return snd_hda_override_conn_list(codec, nid, len, list);
}
+/**
+ * snd_hda_get_conn_list - get connection list
+ * @codec: the HDA codec
+ * @nid: NID to parse
+ * @len: number of connection list entries
+ * @listp: the pointer to store NID list
+ *
+ * Parses the connection list of the given widget and stores the pointer
+ * to the list of NIDs.
+ *
+ * Returns the number of connections, or a negative error code.
+ *
+ * Note that the returned pointer isn't protected against the list
+ * modification. If snd_hda_override_conn_list() might be called
+ * concurrently, protect with a mutex appropriately.
+ */
+int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
+ const hda_nid_t **listp)
+{
+ bool added = false;
+
+ for (;;) {
+ int err;
+ const struct hda_conn_list *p;
+
+ /* if the connection-list is already cached, read it */
+ p = lookup_conn_list(codec, nid);
+ if (p) {
+ if (listp)
+ *listp = p->conns;
+ return p->len;
+ }
+ if (snd_BUG_ON(added))
+ return -EINVAL;
+
+ err = read_and_add_raw_conns(codec, nid);
+ if (err < 0)
+ return err;
+ added = true;
+ }
+}
+EXPORT_SYMBOL_HDA(snd_hda_get_conn_list);
+
/**
* snd_hda_get_connections - copy connection list
* @codec: the HDA codec
int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
hda_nid_t *conn_list, int max_conns)
{
- struct snd_array *array = &codec->conn_lists;
- int len;
- hda_nid_t *p;
- bool added = false;
+ const hda_nid_t *list;
+ int len = snd_hda_get_conn_list(codec, nid, &list);
- again:
- mutex_lock(&codec->hash_mutex);
- len = -1;
- /* if the connection-list is already cached, read it */
- p = lookup_conn_list(array, nid);
- if (p) {
- len = p[1];
- if (conn_list && len > max_conns) {
+ if (len > 0 && conn_list) {
+ if (len > max_conns) {
snd_printk(KERN_ERR "hda_codec: "
"Too many connections %d for NID 0x%x\n",
len, nid);
- mutex_unlock(&codec->hash_mutex);
return -EINVAL;
}
- if (conn_list && len)
- memcpy(conn_list, p + 2, len * sizeof(hda_nid_t));
+ memcpy(conn_list, list, len * sizeof(hda_nid_t));
}
- mutex_unlock(&codec->hash_mutex);
- if (len >= 0)
- return len;
- if (snd_BUG_ON(added))
- return -EINVAL;
- len = read_and_add_raw_conns(codec, nid);
- if (len < 0)
- return len;
- added = true;
- goto again;
+ return len;
}
EXPORT_SYMBOL_HDA(snd_hda_get_connections);
unsigned int shift, num_elems, mask;
unsigned int wcaps;
hda_nid_t prev_nid;
+ int null_count = 0;
if (snd_BUG_ON(!conn_list || max_conns <= 0))
return -EINVAL;
}
range_val = !!(parm & (1 << (shift-1))); /* ranges */
val = parm & mask;
- if (val == 0) {
+ if (val == 0 && null_count++) { /* no second chance */
snd_printk(KERN_WARNING "hda_codec: "
"invalid CONNECT_LIST verb %x[%i]:%x\n",
nid, i, parm);
return conns;
}
-static bool add_conn_list(struct snd_array *array, hda_nid_t nid)
-{
- hda_nid_t *p = snd_array_new(array);
- if (!p)
- return false;
- *p = nid;
- return true;
-}
-
/**
* snd_hda_override_conn_list - add/modify the connection-list to cache
* @codec: the HDA codec
int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int len,
const hda_nid_t *list)
{
- struct snd_array *array = &codec->conn_lists;
- hda_nid_t *p;
- int i, old_used;
+ struct hda_conn_list *p;
- mutex_lock(&codec->hash_mutex);
- p = lookup_conn_list(array, nid);
- if (p)
- *p = -1; /* invalidate the old entry */
-
- old_used = array->used;
- if (!add_conn_list(array, nid) || !add_conn_list(array, len))
- goto error_add;
- for (i = 0; i < len; i++)
- if (!add_conn_list(array, list[i]))
- goto error_add;
- mutex_unlock(&codec->hash_mutex);
- return 0;
+ p = lookup_conn_list(codec, nid);
+ if (p) {
+ list_del(&p->list);
+ kfree(p);
+ }
- error_add:
- array->used = old_used;
- mutex_unlock(&codec->hash_mutex);
- return -ENOMEM;
+ return add_conn_list(codec, nid, len, list);
}
EXPORT_SYMBOL_HDA(snd_hda_override_conn_list);
int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
hda_nid_t nid, int recursive)
{
- hda_nid_t conn[HDA_MAX_NUM_INPUTS];
+ const hda_nid_t *conn;
int i, nums;
- nums = snd_hda_get_connections(codec, mux, conn, ARRAY_SIZE(conn));
+ nums = snd_hda_get_conn_list(codec, mux, &conn);
for (i = 0; i < nums; i++)
if (conn[i] == nid)
return i;
if (!recursive)
return -1;
- if (recursive > 5) {
+ if (recursive > 10) {
snd_printd("hda_codec: too deep connection for 0x%x\n", nid);
return -1;
}
struct hda_pincfg *pin;
#ifdef CONFIG_SND_HDA_HWDEP
- pin = look_up_pincfg(codec, &codec->user_pins, nid);
- if (pin)
- return pin->cfg;
+ {
+ unsigned int cfg = 0;
+ mutex_lock(&codec->user_mutex);
+ pin = look_up_pincfg(codec, &codec->user_pins, nid);
+ if (pin)
+ cfg = pin->cfg;
+ mutex_unlock(&codec->user_mutex);
+ if (cfg)
+ return cfg;
+ }
#endif
pin = look_up_pincfg(codec, &codec->driver_pins, nid);
if (pin)
}
EXPORT_SYMBOL_HDA(snd_hda_codec_get_pincfg);
+/* remember the current pinctl target value */
+int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid,
+ unsigned int val)
+{
+ struct hda_pincfg *pin;
+
+ pin = look_up_pincfg(codec, &codec->init_pins, nid);
+ if (!pin)
+ return -EINVAL;
+ pin->target = val;
+ return 0;
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_set_pin_target);
+
+/* return the current pinctl target value */
+int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid)
+{
+ struct hda_pincfg *pin;
+
+ pin = look_up_pincfg(codec, &codec->init_pins, nid);
+ if (!pin)
+ return 0;
+ return pin->target;
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_get_pin_target);
+
/**
* snd_hda_shutup_pins - Shut up all pins
* @codec: the HDA codec
snd_array_free(&codec->mixers);
snd_array_free(&codec->nids);
snd_array_free(&codec->cvt_setups);
- snd_array_free(&codec->conn_lists);
snd_array_free(&codec->spdif_out);
+ remove_conn_list(codec);
codec->bus->caddr_tbl[codec->addr] = NULL;
if (codec->patch_ops.free)
codec->patch_ops.free(codec);
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);
- snd_array_init(&codec->conn_lists, sizeof(hda_nid_t), 64);
snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
+ snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
+ INIT_LIST_HEAD(&codec->conn_list);
+
INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
#ifdef CONFIG_PM
"NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n",
nid, stream_tag, channel_id, format);
p = get_hda_cvt_setup(codec, nid);
- if (!p)
+ if (!p || p->active)
return;
if (codec->pcm_format_first)
snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid);
p = get_hda_cvt_setup(codec, nid);
- if (p) {
+ if (p && p->active) {
/* 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()
cur = snd_array_index(&cache->buf, info);
info->key = key;
info->val = 0;
+ info->dirty = 0;
idx = key % (u16)ARRAY_SIZE(cache->hash);
info->next = cache->hash[idx];
cache->hash[idx] = cur;
*/
static struct hda_amp_info *
update_amp_hash(struct hda_codec *codec, hda_nid_t nid, int ch,
- int direction, int index)
+ int direction, int index, bool init_only)
{
struct hda_amp_info *info;
unsigned int parm, val = 0;
}
info->vol[ch] = val;
info->head.val |= INFO_AMP_VOL(ch);
- }
+ } else if (init_only)
+ return NULL;
return info;
}
/*
* write the current volume in info to the h/w
*/
-static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info,
+static void put_vol_mute(struct hda_codec *codec, unsigned int amp_caps,
hda_nid_t nid, int ch, int direction, int index,
int val)
{
parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT;
parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT;
parm |= index << AC_AMP_SET_INDEX_SHIFT;
- if ((val & HDA_AMP_MUTE) && !(info->amp_caps & AC_AMPCAP_MUTE) &&
- (info->amp_caps & AC_AMPCAP_MIN_MUTE))
+ if ((val & HDA_AMP_MUTE) && !(amp_caps & AC_AMPCAP_MUTE) &&
+ (amp_caps & AC_AMPCAP_MIN_MUTE))
; /* set the zero value as a fake mute */
else
parm |= val;
unsigned int val = 0;
mutex_lock(&codec->hash_mutex);
- info = update_amp_hash(codec, nid, ch, direction, index);
+ info = update_amp_hash(codec, nid, ch, direction, index, false);
if (info)
val = info->vol[ch];
mutex_unlock(&codec->hash_mutex);
}
EXPORT_SYMBOL_HDA(snd_hda_codec_amp_read);
-/**
- * snd_hda_codec_amp_update - update the AMP value
- * @codec: HD-audio codec
- * @nid: NID to read the AMP value
- * @ch: channel (left=0 or right=1)
- * @direction: #HDA_INPUT or #HDA_OUTPUT
- * @idx: the index value (only for input direction)
- * @mask: bit mask to set
- * @val: the bits value to set
- *
- * Update the AMP value with a bit mask.
- * Returns 0 if the value is unchanged, 1 if changed.
- */
-int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
- int direction, int idx, int mask, int val)
+static int codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
+ int direction, int idx, int mask, int val,
+ bool init_only)
{
struct hda_amp_info *info;
+ unsigned int caps;
+ unsigned int cache_only;
if (snd_BUG_ON(mask & ~0xff))
mask &= 0xff;
val &= mask;
mutex_lock(&codec->hash_mutex);
- info = update_amp_hash(codec, nid, ch, direction, idx);
+ info = update_amp_hash(codec, nid, ch, direction, idx, init_only);
if (!info) {
mutex_unlock(&codec->hash_mutex);
return 0;
return 0;
}
info->vol[ch] = val;
+ cache_only = info->head.dirty = codec->cached_write;
+ caps = info->amp_caps;
mutex_unlock(&codec->hash_mutex);
- put_vol_mute(codec, info, nid, ch, direction, idx, val);
+ if (!cache_only)
+ put_vol_mute(codec, caps, nid, ch, direction, idx, val);
return 1;
}
+
+/**
+ * snd_hda_codec_amp_update - update the AMP value
+ * @codec: HD-audio codec
+ * @nid: NID to read the AMP value
+ * @ch: channel (left=0 or right=1)
+ * @direction: #HDA_INPUT or #HDA_OUTPUT
+ * @idx: the index value (only for input direction)
+ * @mask: bit mask to set
+ * @val: the bits value to set
+ *
+ * Update the AMP value with a bit mask.
+ * Returns 0 if the value is unchanged, 1 if changed.
+ */
+int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
+ int direction, int idx, int mask, int val)
+{
+ return codec_amp_update(codec, nid, ch, direction, idx, mask, val, false);
+}
EXPORT_SYMBOL_HDA(snd_hda_codec_amp_update);
/**
}
EXPORT_SYMBOL_HDA(snd_hda_codec_amp_stereo);
-#ifdef CONFIG_PM
+/* Works like snd_hda_codec_amp_update() but it writes the value only at
+ * the first access. If the amp was already initialized / updated beforehand,
+ * this does nothing.
+ */
+int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
+ int dir, int idx, int mask, int val)
+{
+ return codec_amp_update(codec, nid, ch, dir, idx, mask, val, true);
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_amp_init);
+
+int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid,
+ int dir, int idx, int mask, int val)
+{
+ int ch, ret = 0;
+
+ if (snd_BUG_ON(mask & ~0xff))
+ mask &= 0xff;
+ for (ch = 0; ch < 2; ch++)
+ ret |= snd_hda_codec_amp_init(codec, nid, ch, dir,
+ idx, mask, val);
+ return ret;
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_amp_init_stereo);
+
/**
* snd_hda_codec_resume_amp - Resume all AMP commands from the cache
* @codec: HD-audio codec
*/
void snd_hda_codec_resume_amp(struct hda_codec *codec)
{
- struct hda_amp_info *buffer = codec->amp_cache.buf.list;
int i;
- for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) {
- u32 key = buffer->head.key;
+ mutex_lock(&codec->hash_mutex);
+ codec->cached_write = 0;
+ for (i = 0; i < codec->amp_cache.buf.used; i++) {
+ struct hda_amp_info *buffer;
+ u32 key;
hda_nid_t nid;
unsigned int idx, dir, ch;
+ struct hda_amp_info info;
+
+ buffer = snd_array_elem(&codec->amp_cache.buf, i);
+ if (!buffer->head.dirty)
+ continue;
+ buffer->head.dirty = 0;
+ info = *buffer;
+ key = info.head.key;
if (!key)
continue;
nid = key & 0xff;
idx = (key >> 16) & 0xff;
dir = (key >> 24) & 0xff;
for (ch = 0; ch < 2; ch++) {
- if (!(buffer->head.val & INFO_AMP_VOL(ch)))
+ if (!(info.head.val & INFO_AMP_VOL(ch)))
continue;
- put_vol_mute(codec, buffer, nid, ch, dir, idx,
- buffer->vol[ch]);
+ mutex_unlock(&codec->hash_mutex);
+ put_vol_mute(codec, info.amp_caps, nid, ch, dir, idx,
+ info.vol[ch]);
+ mutex_lock(&codec->hash_mutex);
}
}
+ mutex_unlock(&codec->hash_mutex);
}
EXPORT_SYMBOL_HDA(snd_hda_codec_resume_amp);
-#endif /* CONFIG_PM */
static u32 get_amp_max_value(struct hda_codec *codec, hda_nid_t nid, int dir,
unsigned int ofs)
snd_array_free(&codec->driver_pins);
snd_array_free(&codec->cvt_setups);
snd_array_free(&codec->spdif_out);
+ snd_array_free(&codec->verbs);
codec->num_pcms = 0;
codec->pcm_info = NULL;
codec->preset = NULL;
}
EXPORT_SYMBOL_HDA(snd_hda_create_spdif_in_ctls);
-#ifdef CONFIG_PM
/*
* command cache
*/
-/* build a 32bit cache key with the widget id and the command parameter */
+/* build a 31bit cache key with the widget id and the command parameter */
#define build_cmd_cache_key(nid, verb) ((verb << 8) | nid)
#define get_cmd_cache_nid(key) ((key) & 0xff)
#define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff)
int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
int direct, unsigned int verb, unsigned int parm)
{
- int err = snd_hda_codec_write(codec, nid, direct, verb, parm);
+ int err;
struct hda_cache_head *c;
u32 key;
+ unsigned int cache_only;
+
+ cache_only = codec->cached_write;
+ if (!cache_only) {
+ err = snd_hda_codec_write(codec, nid, direct, verb, parm);
+ if (err < 0)
+ return err;
+ }
- if (err < 0)
- return err;
/* parm may contain the verb stuff for get/set amp */
verb = verb | (parm >> 8);
parm &= 0xff;
key = build_cmd_cache_key(nid, verb);
mutex_lock(&codec->bus->cmd_mutex);
c = get_alloc_hash(&codec->cmd_cache, key);
- if (c)
+ if (c) {
c->val = parm;
+ c->dirty = cache_only;
+ }
mutex_unlock(&codec->bus->cmd_mutex);
return 0;
}
*/
void snd_hda_codec_resume_cache(struct hda_codec *codec)
{
- struct hda_cache_head *buffer = codec->cmd_cache.buf.list;
int i;
- for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) {
- u32 key = buffer->key;
+ mutex_lock(&codec->hash_mutex);
+ codec->cached_write = 0;
+ for (i = 0; i < codec->cmd_cache.buf.used; i++) {
+ struct hda_cache_head *buffer;
+ u32 key;
+
+ buffer = snd_array_elem(&codec->cmd_cache.buf, i);
+ key = buffer->key;
if (!key)
continue;
+ if (!buffer->dirty)
+ continue;
+ buffer->dirty = 0;
+ mutex_unlock(&codec->hash_mutex);
snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0,
get_cmd_cache_cmd(key), buffer->val);
+ mutex_lock(&codec->hash_mutex);
}
+ mutex_unlock(&codec->hash_mutex);
}
EXPORT_SYMBOL_HDA(snd_hda_codec_resume_cache);
seq->param);
}
EXPORT_SYMBOL_HDA(snd_hda_sequence_write_cache);
-#endif /* CONFIG_PM */
+
+/**
+ * snd_hda_codec_flush_cache - Execute all pending (cached) amps / verbs
+ * @codec: HD-audio codec
+ */
+void snd_hda_codec_flush_cache(struct hda_codec *codec)
+{
+ snd_hda_codec_resume_amp(codec);
+ snd_hda_codec_resume_cache(codec);
+}
+EXPORT_SYMBOL_HDA(snd_hda_codec_flush_cache);
void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
unsigned int power_state,
return state;
}
+/* mark all entries of cmd and amp caches dirty */
+static void hda_mark_cmd_cache_dirty(struct hda_codec *codec)
+{
+ int i;
+ for (i = 0; i < codec->cmd_cache.buf.used; i++) {
+ struct hda_cache_head *cmd;
+ cmd = snd_array_elem(&codec->cmd_cache.buf, i);
+ cmd->dirty = 1;
+ }
+ for (i = 0; i < codec->amp_cache.buf.used; i++) {
+ struct hda_amp_info *amp;
+ amp = snd_array_elem(&codec->amp_cache.buf, i);
+ amp->head.dirty = 1;
+ }
+}
+
/*
* kick up codec; used both from PM and power-save
*/
{
codec->in_pm = 1;
+ hda_mark_cmd_cache_dirty(codec);
+
/* set as if powered on for avoiding re-entering the resume
* in the resume / power-save sequence
*/
}
EXPORT_SYMBOL_HDA(snd_hda_get_default_vref);
-int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
- unsigned int val, bool cached)
+/* correct the pin ctl value for matching with the pin cap */
+unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec,
+ hda_nid_t pin, unsigned int val)
{
- if (val) {
- unsigned int cap = snd_hda_query_pin_caps(codec, pin);
- if (cap && (val & AC_PINCTL_OUT_EN)) {
- if (!(cap & AC_PINCAP_OUT))
- val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
- else if ((val & AC_PINCTL_HP_EN) &&
- !(cap & AC_PINCAP_HP_DRV))
- val &= ~AC_PINCTL_HP_EN;
- }
- if (cap && (val & AC_PINCTL_IN_EN)) {
- if (!(cap & AC_PINCAP_IN))
- val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
+ static unsigned int cap_lists[][2] = {
+ { AC_PINCTL_VREF_100, AC_PINCAP_VREF_100 },
+ { AC_PINCTL_VREF_80, AC_PINCAP_VREF_80 },
+ { AC_PINCTL_VREF_50, AC_PINCAP_VREF_50 },
+ { AC_PINCTL_VREF_GRD, AC_PINCAP_VREF_GRD },
+ };
+ unsigned int cap;
+
+ if (!val)
+ return 0;
+ cap = snd_hda_query_pin_caps(codec, pin);
+ if (!cap)
+ return val; /* don't know what to do... */
+
+ if (val & AC_PINCTL_OUT_EN) {
+ if (!(cap & AC_PINCAP_OUT))
+ val &= ~(AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN);
+ else if ((val & AC_PINCTL_HP_EN) && !(cap & AC_PINCAP_HP_DRV))
+ val &= ~AC_PINCTL_HP_EN;
+ }
+
+ if (val & AC_PINCTL_IN_EN) {
+ if (!(cap & AC_PINCAP_IN))
+ val &= ~(AC_PINCTL_IN_EN | AC_PINCTL_VREFEN);
+ else {
+ unsigned int vcap, vref;
+ int i;
+ vcap = (cap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
+ vref = val & AC_PINCTL_VREFEN;
+ for (i = 0; i < ARRAY_SIZE(cap_lists); i++) {
+ if (vref == cap_lists[i][0] &&
+ !(vcap & cap_lists[i][1])) {
+ if (i == ARRAY_SIZE(cap_lists) - 1)
+ vref = AC_PINCTL_VREF_HIZ;
+ else
+ vref = cap_lists[i + 1][0];
+ }
+ }
+ val &= ~AC_PINCTL_VREFEN;
+ val |= vref;
}
}
+
+ return val;
+}
+EXPORT_SYMBOL_HDA(snd_hda_correct_pin_ctl);
+
+int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin,
+ unsigned int val, bool cached)
+{
+ val = snd_hda_correct_pin_ctl(codec, pin, val);
+ snd_hda_codec_set_pin_target(codec, pin, val);
if (cached)
return snd_hda_codec_update_cache(codec, pin, 0,
AC_VERB_SET_PIN_WIDGET_CONTROL, val);
projects / firefly-linux-kernel-4.4.55.git / blobdiff