aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/soc-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c120
1 files changed, 98 insertions, 22 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b098c0b4c584..55fdb4abb179 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1300,6 +1300,8 @@ EXPORT_SYMBOL_GPL(snd_soc_test_bits);
1300/** 1300/**
1301 * snd_soc_new_pcms - create new sound card and pcms 1301 * snd_soc_new_pcms - create new sound card and pcms
1302 * @socdev: the SoC audio device 1302 * @socdev: the SoC audio device
1303 * @idx: ALSA card index
1304 * @xid: card identification
1303 * 1305 *
1304 * Create a new sound card based upon the codec and interface pcms. 1306 * Create a new sound card based upon the codec and interface pcms.
1305 * 1307 *
@@ -1472,7 +1474,7 @@ EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams);
1472 * snd_soc_cnew - create new control 1474 * snd_soc_cnew - create new control
1473 * @_template: control template 1475 * @_template: control template
1474 * @data: control private data 1476 * @data: control private data
1475 * @lnng_name: control long name 1477 * @long_name: control long name
1476 * 1478 *
1477 * Create a new mixer control from a template control. 1479 * Create a new mixer control from a template control.
1478 * 1480 *
@@ -1522,7 +1524,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
1522/** 1524/**
1523 * snd_soc_get_enum_double - enumerated double mixer get callback 1525 * snd_soc_get_enum_double - enumerated double mixer get callback
1524 * @kcontrol: mixer control 1526 * @kcontrol: mixer control
1525 * @uinfo: control element information 1527 * @ucontrol: control element information
1526 * 1528 *
1527 * Callback to get the value of a double enumerated mixer. 1529 * Callback to get the value of a double enumerated mixer.
1528 * 1530 *
@@ -1551,7 +1553,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
1551/** 1553/**
1552 * snd_soc_put_enum_double - enumerated double mixer put callback 1554 * snd_soc_put_enum_double - enumerated double mixer put callback
1553 * @kcontrol: mixer control 1555 * @kcontrol: mixer control
1554 * @uinfo: control element information 1556 * @ucontrol: control element information
1555 * 1557 *
1556 * Callback to set the value of a double enumerated mixer. 1558 * Callback to set the value of a double enumerated mixer.
1557 * 1559 *
@@ -1583,6 +1585,80 @@ int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
1583EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); 1585EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
1584 1586
1585/** 1587/**
1588 * snd_soc_get_value_enum_double - semi enumerated double mixer get callback
1589 * @kcontrol: mixer control
1590 * @ucontrol: control element information
1591 *
1592 * Callback to get the value of a double semi enumerated mixer.
1593 *
1594 * Semi enumerated mixer: the enumerated items are referred as values. Can be
1595 * used for handling bitfield coded enumeration for example.
1596 *
1597 * Returns 0 for success.
1598 */
1599int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
1600 struct snd_ctl_elem_value *ucontrol)
1601{
1602 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1603 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
1604 unsigned short reg_val, val, mux;
1605
1606 reg_val = snd_soc_read(codec, e->reg);
1607 val = (reg_val >> e->shift_l) & e->mask;
1608 for (mux = 0; mux < e->max; mux++) {
1609 if (val == e->values[mux])
1610 break;
1611 }
1612 ucontrol->value.enumerated.item[0] = mux;
1613 if (e->shift_l != e->shift_r) {
1614 val = (reg_val >> e->shift_r) & e->mask;
1615 for (mux = 0; mux < e->max; mux++) {
1616 if (val == e->values[mux])
1617 break;
1618 }
1619 ucontrol->value.enumerated.item[1] = mux;
1620 }
1621
1622 return 0;
1623}
1624EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double);
1625
1626/**
1627 * snd_soc_put_value_enum_double - semi enumerated double mixer put callback
1628 * @kcontrol: mixer control
1629 * @ucontrol: control element information
1630 *
1631 * Callback to set the value of a double semi enumerated mixer.
1632 *
1633 * Semi enumerated mixer: the enumerated items are referred as values. Can be
1634 * used for handling bitfield coded enumeration for example.
1635 *
1636 * Returns 0 for success.
1637 */
1638int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
1639 struct snd_ctl_elem_value *ucontrol)
1640{
1641 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
1642 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
1643 unsigned short val;
1644 unsigned short mask;
1645
1646 if (ucontrol->value.enumerated.item[0] > e->max - 1)
1647 return -EINVAL;
1648 val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l;
1649 mask = e->mask << e->shift_l;
1650 if (e->shift_l != e->shift_r) {
1651 if (ucontrol->value.enumerated.item[1] > e->max - 1)
1652 return -EINVAL;
1653 val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r;
1654 mask |= e->mask << e->shift_r;
1655 }
1656
1657 return snd_soc_update_bits(codec, e->reg, mask, val);
1658}
1659EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double);
1660
1661/**
1586 * snd_soc_info_enum_ext - external enumerated single mixer info callback 1662 * snd_soc_info_enum_ext - external enumerated single mixer info callback
1587 * @kcontrol: mixer control 1663 * @kcontrol: mixer control
1588 * @uinfo: control element information 1664 * @uinfo: control element information
@@ -1668,7 +1744,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
1668/** 1744/**
1669 * snd_soc_get_volsw - single mixer get callback 1745 * snd_soc_get_volsw - single mixer get callback
1670 * @kcontrol: mixer control 1746 * @kcontrol: mixer control
1671 * @uinfo: control element information 1747 * @ucontrol: control element information
1672 * 1748 *
1673 * Callback to get the value of a single mixer control. 1749 * Callback to get the value of a single mixer control.
1674 * 1750 *
@@ -1707,7 +1783,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
1707/** 1783/**
1708 * snd_soc_put_volsw - single mixer put callback 1784 * snd_soc_put_volsw - single mixer put callback
1709 * @kcontrol: mixer control 1785 * @kcontrol: mixer control
1710 * @uinfo: control element information 1786 * @ucontrol: control element information
1711 * 1787 *
1712 * Callback to set the value of a single mixer control. 1788 * Callback to set the value of a single mixer control.
1713 * 1789 *
@@ -1775,7 +1851,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r);
1775/** 1851/**
1776 * snd_soc_get_volsw_2r - double mixer get callback 1852 * snd_soc_get_volsw_2r - double mixer get callback
1777 * @kcontrol: mixer control 1853 * @kcontrol: mixer control
1778 * @uinfo: control element information 1854 * @ucontrol: control element information
1779 * 1855 *
1780 * Callback to get the value of a double mixer control that spans 2 registers. 1856 * Callback to get the value of a double mixer control that spans 2 registers.
1781 * 1857 *
@@ -1812,7 +1888,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r);
1812/** 1888/**
1813 * snd_soc_put_volsw_2r - double mixer set callback 1889 * snd_soc_put_volsw_2r - double mixer set callback
1814 * @kcontrol: mixer control 1890 * @kcontrol: mixer control
1815 * @uinfo: control element information 1891 * @ucontrol: control element information
1816 * 1892 *
1817 * Callback to set the value of a double mixer control that spans 2 registers. 1893 * Callback to set the value of a double mixer control that spans 2 registers.
1818 * 1894 *
@@ -1882,7 +1958,7 @@ EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
1882/** 1958/**
1883 * snd_soc_get_volsw_s8 - signed mixer get callback 1959 * snd_soc_get_volsw_s8 - signed mixer get callback
1884 * @kcontrol: mixer control 1960 * @kcontrol: mixer control
1885 * @uinfo: control element information 1961 * @ucontrol: control element information
1886 * 1962 *
1887 * Callback to get the value of a signed mixer control. 1963 * Callback to get the value of a signed mixer control.
1888 * 1964 *
@@ -1909,7 +1985,7 @@ EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
1909/** 1985/**
1910 * snd_soc_put_volsw_sgn - signed mixer put callback 1986 * snd_soc_put_volsw_sgn - signed mixer put callback
1911 * @kcontrol: mixer control 1987 * @kcontrol: mixer control
1912 * @uinfo: control element information 1988 * @ucontrol: control element information
1913 * 1989 *
1914 * Callback to set the value of a signed mixer control. 1990 * Callback to set the value of a signed mixer control.
1915 * 1991 *
@@ -1954,7 +2030,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
1954/** 2030/**
1955 * snd_soc_dai_set_clkdiv - configure DAI clock dividers. 2031 * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
1956 * @dai: DAI 2032 * @dai: DAI
1957 * @clk_id: DAI specific clock divider ID 2033 * @div_id: DAI specific clock divider ID
1958 * @div: new clock divisor. 2034 * @div: new clock divisor.
1959 * 2035 *
1960 * Configures the clock dividers. This is used to derive the best DAI bit and 2036 * Configures the clock dividers. This is used to derive the best DAI bit and
@@ -2060,7 +2136,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
2060/** 2136/**
2061 * snd_soc_register_card - Register a card with the ASoC core 2137 * snd_soc_register_card - Register a card with the ASoC core
2062 * 2138 *
2063 * @param card Card to register 2139 * @card: Card to register
2064 * 2140 *
2065 * Note that currently this is an internal only function: it will be 2141 * Note that currently this is an internal only function: it will be
2066 * exposed to machine drivers after further backporting of ASoC v2 2142 * exposed to machine drivers after further backporting of ASoC v2
@@ -2087,7 +2163,7 @@ static int snd_soc_register_card(struct snd_soc_card *card)
2087/** 2163/**
2088 * snd_soc_unregister_card - Unregister a card with the ASoC core 2164 * snd_soc_unregister_card - Unregister a card with the ASoC core
2089 * 2165 *
2090 * @param card Card to unregister 2166 * @card: Card to unregister
2091 * 2167 *
2092 * Note that currently this is an internal only function: it will be 2168 * Note that currently this is an internal only function: it will be
2093 * exposed to machine drivers after further backporting of ASoC v2 2169 * exposed to machine drivers after further backporting of ASoC v2
@@ -2107,7 +2183,7 @@ static int snd_soc_unregister_card(struct snd_soc_card *card)
2107/** 2183/**
2108 * snd_soc_register_dai - Register a DAI with the ASoC core 2184 * snd_soc_register_dai - Register a DAI with the ASoC core
2109 * 2185 *
2110 * @param dai DAI to register 2186 * @dai: DAI to register
2111 */ 2187 */
2112int snd_soc_register_dai(struct snd_soc_dai *dai) 2188int snd_soc_register_dai(struct snd_soc_dai *dai)
2113{ 2189{
@@ -2134,7 +2210,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dai);
2134/** 2210/**
2135 * snd_soc_unregister_dai - Unregister a DAI from the ASoC core 2211 * snd_soc_unregister_dai - Unregister a DAI from the ASoC core
2136 * 2212 *
2137 * @param dai DAI to unregister 2213 * @dai: DAI to unregister
2138 */ 2214 */
2139void snd_soc_unregister_dai(struct snd_soc_dai *dai) 2215void snd_soc_unregister_dai(struct snd_soc_dai *dai)
2140{ 2216{
@@ -2149,8 +2225,8 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
2149/** 2225/**
2150 * snd_soc_register_dais - Register multiple DAIs with the ASoC core 2226 * snd_soc_register_dais - Register multiple DAIs with the ASoC core
2151 * 2227 *
2152 * @param dai Array of DAIs to register 2228 * @dai: Array of DAIs to register
2153 * @param count Number of DAIs 2229 * @count: Number of DAIs
2154 */ 2230 */
2155int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count) 2231int snd_soc_register_dais(struct snd_soc_dai *dai, size_t count)
2156{ 2232{
@@ -2175,8 +2251,8 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dais);
2175/** 2251/**
2176 * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core 2252 * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
2177 * 2253 *
2178 * @param dai Array of DAIs to unregister 2254 * @dai: Array of DAIs to unregister
2179 * @param count Number of DAIs 2255 * @count: Number of DAIs
2180 */ 2256 */
2181void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count) 2257void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count)
2182{ 2258{
@@ -2190,7 +2266,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
2190/** 2266/**
2191 * snd_soc_register_platform - Register a platform with the ASoC core 2267 * snd_soc_register_platform - Register a platform with the ASoC core
2192 * 2268 *
2193 * @param platform platform to register 2269 * @platform: platform to register
2194 */ 2270 */
2195int snd_soc_register_platform(struct snd_soc_platform *platform) 2271int snd_soc_register_platform(struct snd_soc_platform *platform)
2196{ 2272{
@@ -2213,7 +2289,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_platform);
2213/** 2289/**
2214 * snd_soc_unregister_platform - Unregister a platform from the ASoC core 2290 * snd_soc_unregister_platform - Unregister a platform from the ASoC core
2215 * 2291 *
2216 * @param platform platform to unregister 2292 * @platform: platform to unregister
2217 */ 2293 */
2218void snd_soc_unregister_platform(struct snd_soc_platform *platform) 2294void snd_soc_unregister_platform(struct snd_soc_platform *platform)
2219{ 2295{
@@ -2228,7 +2304,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
2228/** 2304/**
2229 * snd_soc_register_codec - Register a codec with the ASoC core 2305 * snd_soc_register_codec - Register a codec with the ASoC core
2230 * 2306 *
2231 * @param codec codec to register 2307 * @codec: codec to register
2232 */ 2308 */
2233int snd_soc_register_codec(struct snd_soc_codec *codec) 2309int snd_soc_register_codec(struct snd_soc_codec *codec)
2234{ 2310{
@@ -2255,7 +2331,7 @@ EXPORT_SYMBOL_GPL(snd_soc_register_codec);
2255/** 2331/**
2256 * snd_soc_unregister_codec - Unregister a codec from the ASoC core 2332 * snd_soc_unregister_codec - Unregister a codec from the ASoC core
2257 * 2333 *
2258 * @param codec codec to unregister 2334 * @codec: codec to unregister
2259 */ 2335 */
2260void snd_soc_unregister_codec(struct snd_soc_codec *codec) 2336void snd_soc_unregister_codec(struct snd_soc_codec *codec)
2261{ 2337{