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808db4a4 RP |
1 | /* |
2 | * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management | |
3 | * | |
4 | * Author: Liam Girdwood | |
5 | * Created: Aug 11th 2005 | |
6 | * Copyright: Wolfson Microelectronics. PLC. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #ifndef __LINUX_SND_SOC_DAPM_H | |
14 | #define __LINUX_SND_SOC_DAPM_H | |
15 | ||
808db4a4 RP |
16 | #include <linux/types.h> |
17 | #include <sound/control.h> | |
808db4a4 | 18 | |
313162d0 PG |
19 | struct device; |
20 | ||
808db4a4 RP |
21 | /* widget has no PM register bit */ |
22 | #define SND_SOC_NOPM -1 | |
23 | ||
24 | /* | |
b7d2a803 | 25 | * SoC dynamic audio power management |
808db4a4 | 26 | * |
25985edc | 27 | * We can have up to 4 power domains |
28683e0f | 28 | * 1. Codec domain - VREF, VMID |
808db4a4 RP |
29 | * Usually controlled at codec probe/remove, although can be set |
30 | * at stream time if power is not needed for sidetone, etc. | |
31 | * 2. Platform/Machine domain - physically connected inputs and outputs | |
32 | * Is platform/machine and user action specific, is set in the machine | |
33 | * driver and by userspace e.g when HP are inserted | |
34 | * 3. Path domain - Internal codec path mixers | |
35 | * Are automatically set when mixer and mux settings are | |
36 | * changed by the user. | |
37 | * 4. Stream domain - DAC's and ADC's. | |
38 | * Enabled when stream playback/capture is started. | |
39 | */ | |
40 | ||
41 | /* codec domain */ | |
42 | #define SND_SOC_DAPM_VMID(wname) \ | |
82cfecdc | 43 | { .id = snd_soc_dapm_vmid, .name = wname, .kcontrol_news = NULL, \ |
808db4a4 RP |
44 | .num_kcontrols = 0} |
45 | ||
46 | /* platform domain */ | |
1ab97c8c MB |
47 | #define SND_SOC_DAPM_SIGGEN(wname) \ |
48 | { .id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \ | |
49 | .num_kcontrols = 0, .reg = SND_SOC_NOPM } | |
808db4a4 | 50 | #define SND_SOC_DAPM_INPUT(wname) \ |
82cfecdc | 51 | { .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \ |
0ca03cd7 | 52 | .num_kcontrols = 0, .reg = SND_SOC_NOPM } |
808db4a4 | 53 | #define SND_SOC_DAPM_OUTPUT(wname) \ |
82cfecdc | 54 | { .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \ |
0ca03cd7 | 55 | .num_kcontrols = 0, .reg = SND_SOC_NOPM } |
808db4a4 | 56 | #define SND_SOC_DAPM_MIC(wname, wevent) \ |
82cfecdc | 57 | { .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \ |
0ca03cd7 | 58 | .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ |
808db4a4 RP |
59 | .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} |
60 | #define SND_SOC_DAPM_HP(wname, wevent) \ | |
82cfecdc | 61 | { .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \ |
0ca03cd7 | 62 | .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ |
808db4a4 RP |
63 | .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} |
64 | #define SND_SOC_DAPM_SPK(wname, wevent) \ | |
82cfecdc | 65 | { .id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \ |
0ca03cd7 | 66 | .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ |
808db4a4 RP |
67 | .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} |
68 | #define SND_SOC_DAPM_LINE(wname, wevent) \ | |
82cfecdc | 69 | { .id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \ |
0ca03cd7 | 70 | .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ |
808db4a4 RP |
71 | .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} |
72 | ||
de9ba98b LPC |
73 | #define SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) \ |
74 | .reg = wreg, .mask = 1, .shift = wshift, \ | |
75 | .on_val = winvert ? 0 : 1, .off_val = winvert ? 1 : 0 | |
76 | ||
808db4a4 RP |
77 | /* path domain */ |
78 | #define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ | |
79 | wcontrols, wncontrols) \ | |
de9ba98b LPC |
80 | { .id = snd_soc_dapm_pga, .name = wname, \ |
81 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
82 | .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} | |
d88429a6 OM |
83 | #define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\ |
84 | wcontrols, wncontrols) \ | |
de9ba98b LPC |
85 | { .id = snd_soc_dapm_out_drv, .name = wname, \ |
86 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
87 | .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} | |
808db4a4 RP |
88 | #define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ |
89 | wcontrols, wncontrols)\ | |
de9ba98b LPC |
90 | { .id = snd_soc_dapm_mixer, .name = wname, \ |
91 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
92 | .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} | |
ca9c1aae IM |
93 | #define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \ |
94 | wcontrols, wncontrols)\ | |
de9ba98b LPC |
95 | { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ |
96 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
97 | .kcontrol_news = wcontrols, .num_kcontrols = wncontrols} | |
808db4a4 | 98 | #define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ |
de9ba98b LPC |
99 | { .id = snd_soc_dapm_micbias, .name = wname, \ |
100 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
101 | .kcontrol_news = NULL, .num_kcontrols = 0} | |
808db4a4 | 102 | #define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ |
de9ba98b LPC |
103 | { .id = snd_soc_dapm_switch, .name = wname, \ |
104 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
105 | .kcontrol_news = wcontrols, .num_kcontrols = 1} | |
808db4a4 | 106 | #define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ |
faf6615b SW |
107 | { .id = snd_soc_dapm_mux, .name = wname, \ |
108 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
de9ba98b | 109 | .kcontrol_news = wcontrols, .num_kcontrols = 1} |
d714f97c LPC |
110 | #define SND_SOC_DAPM_DEMUX(wname, wreg, wshift, winvert, wcontrols) \ |
111 | { .id = snd_soc_dapm_demux, .name = wname, \ | |
112 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
113 | .kcontrol_news = wcontrols, .num_kcontrols = 1} | |
808db4a4 | 114 | |
8484c63f GL |
115 | /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ |
116 | #define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\ | |
117 | wcontrols) \ | |
de9ba98b LPC |
118 | { .id = snd_soc_dapm_pga, .name = wname, \ |
119 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
120 | .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} | |
8484c63f GL |
121 | #define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \ |
122 | wcontrols)\ | |
de9ba98b LPC |
123 | { .id = snd_soc_dapm_mixer, .name = wname, \ |
124 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
125 | .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} | |
8484c63f GL |
126 | #define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \ |
127 | wcontrols)\ | |
de9ba98b LPC |
128 | { .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \ |
129 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
130 | .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)} | |
8484c63f | 131 | |
808db4a4 RP |
132 | /* path domain with event - event handler must return 0 for success */ |
133 | #define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ | |
134 | wncontrols, wevent, wflags) \ | |
de9ba98b LPC |
135 | { .id = snd_soc_dapm_pga, .name = wname, \ |
136 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
137 | .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ | |
808db4a4 | 138 | .event = wevent, .event_flags = wflags} |
d88429a6 OM |
139 | #define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \ |
140 | wncontrols, wevent, wflags) \ | |
de9ba98b LPC |
141 | { .id = snd_soc_dapm_out_drv, .name = wname, \ |
142 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
143 | .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ | |
d88429a6 | 144 | .event = wevent, .event_flags = wflags} |
808db4a4 RP |
145 | #define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ |
146 | wncontrols, wevent, wflags) \ | |
de9ba98b LPC |
147 | { .id = snd_soc_dapm_mixer, .name = wname, \ |
148 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
149 | .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \ | |
808db4a4 | 150 | .event = wevent, .event_flags = wflags} |
ca9c1aae IM |
151 | #define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \ |
152 | wcontrols, wncontrols, wevent, wflags) \ | |
de9ba98b LPC |
153 | { .id = snd_soc_dapm_mixer, .name = wname, \ |
154 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
155 | .kcontrol_news = wcontrols, \ | |
ca9c1aae | 156 | .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags} |
808db4a4 RP |
157 | #define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ |
158 | wevent, wflags) \ | |
de9ba98b LPC |
159 | { .id = snd_soc_dapm_switch, .name = wname, \ |
160 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
161 | .kcontrol_news = wcontrols, .num_kcontrols = 1, \ | |
808db4a4 RP |
162 | .event = wevent, .event_flags = wflags} |
163 | #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ | |
164 | wevent, wflags) \ | |
de9ba98b LPC |
165 | { .id = snd_soc_dapm_mux, .name = wname, \ |
166 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
167 | .kcontrol_news = wcontrols, .num_kcontrols = 1, \ | |
808db4a4 RP |
168 | .event = wevent, .event_flags = wflags} |
169 | ||
20e4859d | 170 | /* additional sequencing control within an event type */ |
3d23c73f MB |
171 | #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \ |
172 | wevent, wflags) \ | |
de9ba98b LPC |
173 | { .id = snd_soc_dapm_pga, .name = wname, \ |
174 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
175 | .event = wevent, .event_flags = wflags, \ | |
3d23c73f | 176 | .subseq = wsubseq} |
20e4859d MB |
177 | #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \ |
178 | wflags) \ | |
de9ba98b LPC |
179 | { .id = snd_soc_dapm_supply, .name = wname, \ |
180 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
181 | .event = wevent, .event_flags = wflags, .subseq = wsubseq} | |
20e4859d | 182 | |
8484c63f GL |
183 | /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */ |
184 | #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ | |
185 | wevent, wflags) \ | |
de9ba98b LPC |
186 | { .id = snd_soc_dapm_pga, .name = wname, \ |
187 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
188 | .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ | |
8484c63f GL |
189 | .event = wevent, .event_flags = wflags} |
190 | #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \ | |
191 | wevent, wflags) \ | |
de9ba98b LPC |
192 | { .id = snd_soc_dapm_mixer, .name = wname, \ |
193 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
194 | .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ | |
8484c63f GL |
195 | .event = wevent, .event_flags = wflags} |
196 | #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \ | |
197 | wcontrols, wevent, wflags) \ | |
de9ba98b LPC |
198 | { .id = snd_soc_dapm_mixer, .name = wname, \ |
199 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
200 | .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \ | |
201 | .event = wevent, .event_flags = wflags} | |
8484c63f | 202 | |
808db4a4 RP |
203 | /* events that are pre and post DAPM */ |
204 | #define SND_SOC_DAPM_PRE(wname, wevent) \ | |
82cfecdc | 205 | { .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \ |
0ca03cd7 | 206 | .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ |
808db4a4 RP |
207 | .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} |
208 | #define SND_SOC_DAPM_POST(wname, wevent) \ | |
82cfecdc | 209 | { .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \ |
0ca03cd7 | 210 | .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \ |
808db4a4 RP |
211 | .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} |
212 | ||
213 | /* stream domain */ | |
010ff262 MB |
214 | #define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \ |
215 | { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ | |
de9ba98b | 216 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } |
ea0d09de MB |
217 | #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wslot, wreg, wshift, winvert, \ |
218 | wevent, wflags) \ | |
219 | { .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \ | |
de9ba98b | 220 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ |
ea0d09de | 221 | .event = wevent, .event_flags = wflags } |
010ff262 MB |
222 | #define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \ |
223 | { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ | |
de9ba98b | 224 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } |
ea0d09de MB |
225 | #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wslot, wreg, wshift, winvert, \ |
226 | wevent, wflags) \ | |
227 | { .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \ | |
de9ba98b | 228 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ |
ea0d09de | 229 | .event = wevent, .event_flags = wflags } |
808db4a4 | 230 | #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ |
de9ba98b LPC |
231 | { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ |
232 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) } | |
f6d655a6 MB |
233 | #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ |
234 | wevent, wflags) \ | |
de9ba98b LPC |
235 | { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \ |
236 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
f6d655a6 | 237 | .event = wevent, .event_flags = wflags} |
de9ba98b | 238 | |
808db4a4 | 239 | #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ |
de9ba98b LPC |
240 | { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ |
241 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), } | |
f6d655a6 MB |
242 | #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ |
243 | wevent, wflags) \ | |
de9ba98b LPC |
244 | { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \ |
245 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
f6d655a6 | 246 | .event = wevent, .event_flags = wflags} |
d7e7eb91 OL |
247 | #define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \ |
248 | { .id = snd_soc_dapm_clock_supply, .name = wname, \ | |
249 | .reg = SND_SOC_NOPM, .event = dapm_clock_event, \ | |
250 | .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD } | |
808db4a4 | 251 | |
246d0a17 | 252 | /* generic widgets */ |
e2be2ccf | 253 | #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ |
82cfecdc | 254 | { .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \ |
94986198 LPC |
255 | .reg = wreg, .shift = wshift, .mask = wmask, \ |
256 | .on_val = won_val, .off_val = woff_val, } | |
246d0a17 | 257 | #define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ |
de9ba98b LPC |
258 | { .id = snd_soc_dapm_supply, .name = wname, \ |
259 | SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \ | |
260 | .event = wevent, .event_flags = wflags} | |
822b4b8d | 261 | #define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay, wflags) \ |
62ea874a MB |
262 | { .id = snd_soc_dapm_regulator_supply, .name = wname, \ |
263 | .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \ | |
822b4b8d | 264 | .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \ |
de9ba98b | 265 | .on_val = wflags} |
e2be2ccf | 266 | |
d7e7eb91 | 267 | |
808db4a4 | 268 | /* dapm kcontrol types */ |
a7a4ac86 | 269 | #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ |
808db4a4 RP |
270 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
271 | .info = snd_soc_info_volsw, \ | |
272 | .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ | |
57295073 LPC |
273 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } |
274 | #define SOC_DAPM_SINGLE_AUTODISABLE(xname, reg, shift, max, invert) \ | |
275 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
276 | .info = snd_soc_info_volsw, \ | |
277 | .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ | |
278 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 1) } | |
249ce138 LPC |
279 | #define SOC_DAPM_SINGLE_VIRT(xname, max) \ |
280 | SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0) | |
a7a4ac86 PZ |
281 | #define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ |
282 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
283 | .info = snd_soc_info_volsw, \ | |
284 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
285 | .tlv.p = (tlv_array), \ | |
286 | .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ | |
57295073 LPC |
287 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } |
288 | #define SOC_DAPM_SINGLE_TLV_AUTODISABLE(xname, reg, shift, max, invert, tlv_array) \ | |
289 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
290 | .info = snd_soc_info_volsw, \ | |
291 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ | |
292 | .tlv.p = (tlv_array), \ | |
293 | .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ | |
294 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } | |
249ce138 LPC |
295 | #define SOC_DAPM_SINGLE_TLV_VIRT(xname, max, tlv_array) \ |
296 | SOC_DAPM_SINGLE(xname, SND_SOC_NOPM, 0, max, 0, tlv_array) | |
808db4a4 RP |
297 | #define SOC_DAPM_ENUM(xname, xenum) \ |
298 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
299 | .info = snd_soc_info_enum_double, \ | |
300 | .get = snd_soc_dapm_get_enum_double, \ | |
301 | .put = snd_soc_dapm_put_enum_double, \ | |
302 | .private_value = (unsigned long)&xenum } | |
c219c809 LG |
303 | #define SOC_DAPM_ENUM_EXT(xname, xenum, xget, xput) \ |
304 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ | |
305 | .info = snd_soc_info_enum_double, \ | |
306 | .get = xget, \ | |
307 | .put = xput, \ | |
308 | .private_value = (unsigned long)&xenum } | |
8b37dbd2 MB |
309 | #define SOC_DAPM_PIN_SWITCH(xname) \ |
310 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \ | |
311 | .info = snd_soc_dapm_info_pin_switch, \ | |
312 | .get = snd_soc_dapm_get_pin_switch, \ | |
313 | .put = snd_soc_dapm_put_pin_switch, \ | |
314 | .private_value = (unsigned long)xname } | |
808db4a4 RP |
315 | |
316 | /* dapm stream operations */ | |
317 | #define SND_SOC_DAPM_STREAM_NOP 0x0 | |
318 | #define SND_SOC_DAPM_STREAM_START 0x1 | |
319 | #define SND_SOC_DAPM_STREAM_STOP 0x2 | |
320 | #define SND_SOC_DAPM_STREAM_SUSPEND 0x4 | |
321 | #define SND_SOC_DAPM_STREAM_RESUME 0x8 | |
322 | #define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 | |
323 | #define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 | |
324 | ||
325 | /* dapm event types */ | |
326 | #define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ | |
327 | #define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ | |
328 | #define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ | |
329 | #define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ | |
330 | #define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ | |
331 | #define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ | |
80114129 MB |
332 | #define SND_SOC_DAPM_WILL_PMU 0x40 /* called at start of sequence */ |
333 | #define SND_SOC_DAPM_WILL_PMD 0x80 /* called at start of sequence */ | |
ea762b04 | 334 | #define SND_SOC_DAPM_PRE_POST_PMD \ |
335 | (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD) | |
808db4a4 RP |
336 | |
337 | /* convenience event type detection */ | |
338 | #define SND_SOC_DAPM_EVENT_ON(e) \ | |
339 | (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) | |
340 | #define SND_SOC_DAPM_EVENT_OFF(e) \ | |
341 | (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) | |
342 | ||
c05b84d1 MB |
343 | /* regulator widget flags */ |
344 | #define SND_SOC_DAPM_REGULATOR_BYPASS 0x1 /* bypass when disabled */ | |
345 | ||
808db4a4 RP |
346 | struct snd_soc_dapm_widget; |
347 | enum snd_soc_dapm_type; | |
348 | struct snd_soc_dapm_path; | |
349 | struct snd_soc_dapm_pin; | |
105f1c28 | 350 | struct snd_soc_dapm_route; |
ce6120cc | 351 | struct snd_soc_dapm_context; |
a3cc056b | 352 | struct regulator; |
ec2e3031 | 353 | struct snd_soc_dapm_widget_list; |
6b3fc03b | 354 | struct snd_soc_dapm_update; |
808db4a4 | 355 | |
62ea874a MB |
356 | int dapm_regulator_event(struct snd_soc_dapm_widget *w, |
357 | struct snd_kcontrol *kcontrol, int event); | |
d7e7eb91 OL |
358 | int dapm_clock_event(struct snd_soc_dapm_widget *w, |
359 | struct snd_kcontrol *kcontrol, int event); | |
11589418 | 360 | |
808db4a4 RP |
361 | /* dapm controls */ |
362 | int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, | |
363 | struct snd_ctl_elem_value *ucontrol); | |
364 | int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, | |
365 | struct snd_ctl_elem_value *ucontrol); | |
366 | int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, | |
367 | struct snd_ctl_elem_value *ucontrol); | |
368 | int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, | |
369 | struct snd_ctl_elem_value *ucontrol); | |
8b37dbd2 MB |
370 | int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol, |
371 | struct snd_ctl_elem_info *uinfo); | |
372 | int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol, | |
373 | struct snd_ctl_elem_value *uncontrol); | |
374 | int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, | |
375 | struct snd_ctl_elem_value *uncontrol); | |
ce6120cc | 376 | int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm, |
4ba1327a MB |
377 | const struct snd_soc_dapm_widget *widget, |
378 | int num); | |
888df395 MB |
379 | int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm, |
380 | struct snd_soc_dai *dai); | |
381 | int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card); | |
b893ea5f | 382 | void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card); |
c74184ed MB |
383 | int snd_soc_dapm_new_pcm(struct snd_soc_card *card, |
384 | const struct snd_soc_pcm_stream *params, | |
c6615082 | 385 | unsigned int num_params, |
c74184ed MB |
386 | struct snd_soc_dapm_widget *source, |
387 | struct snd_soc_dapm_widget *sink); | |
808db4a4 RP |
388 | |
389 | /* dapm path setup */ | |
824ef826 | 390 | int snd_soc_dapm_new_widgets(struct snd_soc_card *card); |
ce6120cc LG |
391 | void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm); |
392 | int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm, | |
105f1c28 | 393 | const struct snd_soc_dapm_route *route, int num); |
efcc3c61 MB |
394 | int snd_soc_dapm_del_routes(struct snd_soc_dapm_context *dapm, |
395 | const struct snd_soc_dapm_route *route, int num); | |
bf3a9e13 MB |
396 | int snd_soc_dapm_weak_routes(struct snd_soc_dapm_context *dapm, |
397 | const struct snd_soc_dapm_route *route, int num); | |
808db4a4 RP |
398 | |
399 | /* dapm events */ | |
d9b0951b LG |
400 | void snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd, int stream, |
401 | int event); | |
f0fba2ad | 402 | void snd_soc_dapm_shutdown(struct snd_soc_card *card); |
808db4a4 | 403 | |
40f02cd9 | 404 | /* external DAPM widget events */ |
ce6cfaf1 | 405 | int snd_soc_dapm_mixer_update_power(struct snd_soc_dapm_context *dapm, |
6b3fc03b LPC |
406 | struct snd_kcontrol *kcontrol, int connect, |
407 | struct snd_soc_dapm_update *update); | |
ce6cfaf1 | 408 | int snd_soc_dapm_mux_update_power(struct snd_soc_dapm_context *dapm, |
6b3fc03b LPC |
409 | struct snd_kcontrol *kcontrol, int mux, struct soc_enum *e, |
410 | struct snd_soc_dapm_update *update); | |
40f02cd9 | 411 | |
808db4a4 | 412 | /* dapm sys fs - used by the core */ |
d29697dc | 413 | extern struct attribute *soc_dapm_dev_attrs[]; |
8eecaf62 LPC |
414 | void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm, |
415 | struct dentry *parent); | |
808db4a4 | 416 | |
a5302181 | 417 | /* dapm audio pin control and status */ |
ce6120cc LG |
418 | int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, |
419 | const char *pin); | |
11391100 CK |
420 | int snd_soc_dapm_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, |
421 | const char *pin); | |
ce6120cc LG |
422 | int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm, |
423 | const char *pin); | |
11391100 CK |
424 | int snd_soc_dapm_disable_pin_unlocked(struct snd_soc_dapm_context *dapm, |
425 | const char *pin); | |
ce6120cc | 426 | int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin); |
11391100 CK |
427 | int snd_soc_dapm_nc_pin_unlocked(struct snd_soc_dapm_context *dapm, |
428 | const char *pin); | |
ce6120cc LG |
429 | int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm, |
430 | const char *pin); | |
431 | int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm); | |
3eb29dfb | 432 | int snd_soc_dapm_sync_unlocked(struct snd_soc_dapm_context *dapm); |
ce6120cc | 433 | int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm, |
da34183e | 434 | const char *pin); |
11391100 CK |
435 | int snd_soc_dapm_force_enable_pin_unlocked(struct snd_soc_dapm_context *dapm, |
436 | const char *pin); | |
ce6120cc LG |
437 | int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm, |
438 | const char *pin); | |
5dc0158a | 439 | unsigned int dapm_kcontrol_get_value(const struct snd_kcontrol *kcontrol); |
808db4a4 | 440 | |
25c77c5f | 441 | /* Mostly internal - should not normally be used */ |
8be4da29 | 442 | void dapm_mark_endpoints_dirty(struct snd_soc_card *card); |
25c77c5f | 443 | |
ec2e3031 LG |
444 | /* dapm path query */ |
445 | int snd_soc_dapm_dai_get_connected_widgets(struct snd_soc_dai *dai, int stream, | |
446 | struct snd_soc_dapm_widget_list **list); | |
447 | ||
ce0fc93a LPC |
448 | struct snd_soc_dapm_context *snd_soc_dapm_kcontrol_dapm( |
449 | struct snd_kcontrol *kcontrol); | |
eee5d7f9 | 450 | |
fa880775 LPC |
451 | int snd_soc_dapm_force_bias_level(struct snd_soc_dapm_context *dapm, |
452 | enum snd_soc_bias_level level); | |
453 | ||
808db4a4 RP |
454 | /* dapm widget types */ |
455 | enum snd_soc_dapm_type { | |
456 | snd_soc_dapm_input = 0, /* input pin */ | |
457 | snd_soc_dapm_output, /* output pin */ | |
458 | snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ | |
d714f97c | 459 | snd_soc_dapm_demux, /* connects the input to one of multiple outputs */ |
808db4a4 | 460 | snd_soc_dapm_mixer, /* mixes several analog signals together */ |
ca9c1aae | 461 | snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */ |
808db4a4 | 462 | snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ |
d88429a6 | 463 | snd_soc_dapm_out_drv, /* output driver */ |
808db4a4 RP |
464 | snd_soc_dapm_adc, /* analog to digital converter */ |
465 | snd_soc_dapm_dac, /* digital to analog converter */ | |
466 | snd_soc_dapm_micbias, /* microphone bias (power) */ | |
467 | snd_soc_dapm_mic, /* microphone */ | |
468 | snd_soc_dapm_hp, /* headphones */ | |
469 | snd_soc_dapm_spk, /* speaker */ | |
470 | snd_soc_dapm_line, /* line input/output */ | |
471 | snd_soc_dapm_switch, /* analog switch */ | |
472 | snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ | |
473 | snd_soc_dapm_pre, /* machine specific pre widget - exec first */ | |
474 | snd_soc_dapm_post, /* machine specific post widget - exec last */ | |
246d0a17 | 475 | snd_soc_dapm_supply, /* power/clock supply */ |
62ea874a | 476 | snd_soc_dapm_regulator_supply, /* external regulator */ |
d7e7eb91 | 477 | snd_soc_dapm_clock_supply, /* external clock */ |
010ff262 MB |
478 | snd_soc_dapm_aif_in, /* audio interface input */ |
479 | snd_soc_dapm_aif_out, /* audio interface output */ | |
1ab97c8c | 480 | snd_soc_dapm_siggen, /* signal generator */ |
4616274d MB |
481 | snd_soc_dapm_dai_in, /* link to DAI structure */ |
482 | snd_soc_dapm_dai_out, | |
c74184ed | 483 | snd_soc_dapm_dai_link, /* link between two DAI structures */ |
57295073 | 484 | snd_soc_dapm_kcontrol, /* Auto-disabled kcontrol */ |
808db4a4 RP |
485 | }; |
486 | ||
a73fb2df | 487 | enum snd_soc_dapm_subclass { |
3cd04343 LG |
488 | SND_SOC_DAPM_CLASS_INIT = 0, |
489 | SND_SOC_DAPM_CLASS_RUNTIME = 1, | |
a73fb2df LG |
490 | }; |
491 | ||
105f1c28 MB |
492 | /* |
493 | * DAPM audio route definition. | |
494 | * | |
495 | * Defines an audio route originating at source via control and finishing | |
496 | * at sink. | |
497 | */ | |
498 | struct snd_soc_dapm_route { | |
499 | const char *sink; | |
500 | const char *control; | |
501 | const char *source; | |
215edda3 MB |
502 | |
503 | /* Note: currently only supported for links where source is a supply */ | |
504 | int (*connected)(struct snd_soc_dapm_widget *source, | |
505 | struct snd_soc_dapm_widget *sink); | |
105f1c28 MB |
506 | }; |
507 | ||
808db4a4 RP |
508 | /* dapm audio path between two widgets */ |
509 | struct snd_soc_dapm_path { | |
3056557f | 510 | const char *name; |
808db4a4 RP |
511 | |
512 | /* source (input) and sink (output) widgets */ | |
513 | struct snd_soc_dapm_widget *source; | |
514 | struct snd_soc_dapm_widget *sink; | |
808db4a4 RP |
515 | |
516 | /* status */ | |
517 | u32 connect:1; /* source and sink widgets are connected */ | |
8af294b4 | 518 | u32 walking:1; /* path is in the process of being walked */ |
169d5a83 | 519 | u32 weak:1; /* path ignored for power management */ |
c1862c8b | 520 | u32 is_supply:1; /* At least one of the connected widgets is a supply */ |
808db4a4 | 521 | |
215edda3 MB |
522 | int (*connected)(struct snd_soc_dapm_widget *source, |
523 | struct snd_soc_dapm_widget *sink); | |
524 | ||
808db4a4 RP |
525 | struct list_head list_source; |
526 | struct list_head list_sink; | |
5106b92f | 527 | struct list_head list_kcontrol; |
808db4a4 RP |
528 | struct list_head list; |
529 | }; | |
530 | ||
531 | /* dapm widget */ | |
532 | struct snd_soc_dapm_widget { | |
533 | enum snd_soc_dapm_type id; | |
3056557f MB |
534 | const char *name; /* widget name */ |
535 | const char *sname; /* stream name */ | |
808db4a4 | 536 | struct list_head list; |
ce6120cc | 537 | struct snd_soc_dapm_context *dapm; |
808db4a4 | 538 | |
62ea874a | 539 | void *priv; /* widget specific data */ |
a3cc056b | 540 | struct regulator *regulator; /* attached regulator */ |
c74184ed | 541 | const struct snd_soc_pcm_stream *params; /* params for dai links */ |
c6615082 NO |
542 | unsigned int num_params; /* number of params for dai links */ |
543 | unsigned int params_select; /* currently selected param for dai link */ | |
62ea874a | 544 | |
808db4a4 | 545 | /* dapm control */ |
41b5b3bd | 546 | int reg; /* negative reg = no direct dapm */ |
808db4a4 | 547 | unsigned char shift; /* bits to shift */ |
e2be2ccf JN |
548 | unsigned int mask; /* non-shifted mask */ |
549 | unsigned int on_val; /* on state value */ | |
550 | unsigned int off_val; /* off state value */ | |
808db4a4 | 551 | unsigned char power:1; /* block power status */ |
808db4a4 RP |
552 | unsigned char active:1; /* active stream on DAC, ADC's */ |
553 | unsigned char connected:1; /* connected codec pin */ | |
554 | unsigned char new:1; /* cnew complete */ | |
da34183e | 555 | unsigned char force:1; /* force state */ |
1547aba9 | 556 | unsigned char ignore_suspend:1; /* kept enabled over suspend */ |
9b8a83b2 MB |
557 | unsigned char new_power:1; /* power from this run */ |
558 | unsigned char power_checked:1; /* power checked this run */ | |
6dd98b0a LPC |
559 | unsigned char is_supply:1; /* Widget is a supply type widget */ |
560 | unsigned char is_sink:1; /* Widget is a sink type widget */ | |
561 | unsigned char is_source:1; /* Widget is a source type widget */ | |
20e4859d | 562 | int subseq; /* sort within widget type */ |
808db4a4 | 563 | |
b75576d7 MB |
564 | int (*power_check)(struct snd_soc_dapm_widget *w); |
565 | ||
808db4a4 RP |
566 | /* external events */ |
567 | unsigned short event_flags; /* flags to specify event types */ | |
9af6d956 | 568 | int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); |
808db4a4 RP |
569 | |
570 | /* kcontrols that relate to this widget */ | |
571 | int num_kcontrols; | |
82cfecdc | 572 | const struct snd_kcontrol_new *kcontrol_news; |
fad59888 | 573 | struct snd_kcontrol **kcontrols; |
808db4a4 RP |
574 | |
575 | /* widget input and outputs */ | |
576 | struct list_head sources; | |
577 | struct list_head sinks; | |
6d3ddc81 MB |
578 | |
579 | /* used during DAPM updates */ | |
92a99ea4 | 580 | struct list_head work_list; |
6d3ddc81 | 581 | struct list_head power_list; |
db432b41 | 582 | struct list_head dirty; |
024dc078 MB |
583 | int inputs; |
584 | int outputs; | |
d7e7eb91 OL |
585 | |
586 | struct clk *clk; | |
808db4a4 RP |
587 | }; |
588 | ||
97404f2e | 589 | struct snd_soc_dapm_update { |
97404f2e MB |
590 | struct snd_kcontrol *kcontrol; |
591 | int reg; | |
592 | int mask; | |
593 | int val; | |
594 | }; | |
595 | ||
ce6120cc LG |
596 | /* DAPM context */ |
597 | struct snd_soc_dapm_context { | |
ce6120cc | 598 | enum snd_soc_bias_level bias_level; |
ce6120cc | 599 | unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */ |
86dbf2ac LPC |
600 | /* Go to BIAS_OFF in suspend if the DAPM context is idle */ |
601 | unsigned int suspend_bias_off:1; | |
474b62d6 | 602 | void (*seq_notifier)(struct snd_soc_dapm_context *, |
f85a9e0d | 603 | enum snd_soc_dapm_type, int); |
474b62d6 | 604 | |
ce6120cc | 605 | struct device *dev; /* from parent - for debug */ |
e2c330b9 | 606 | struct snd_soc_component *component; /* parent component */ |
3a45b867 | 607 | struct snd_soc_card *card; /* parent card */ |
7be31be8 JN |
608 | |
609 | /* used during DAPM updates */ | |
56fba41f | 610 | enum snd_soc_bias_level target_bias_level; |
7be31be8 JN |
611 | struct list_head list; |
612 | ||
64a648c2 | 613 | int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); |
68f831c2 LPC |
614 | int (*set_bias_level)(struct snd_soc_dapm_context *dapm, |
615 | enum snd_soc_bias_level level); | |
64a648c2 | 616 | |
ce6120cc LG |
617 | #ifdef CONFIG_DEBUG_FS |
618 | struct dentry *debugfs_dapm; | |
619 | #endif | |
620 | }; | |
621 | ||
fafd2176 SW |
622 | /* A list of widgets associated with an object, typically a snd_kcontrol */ |
623 | struct snd_soc_dapm_widget_list { | |
624 | int num_widgets; | |
625 | struct snd_soc_dapm_widget *widgets[0]; | |
626 | }; | |
627 | ||
de02d078 MB |
628 | struct snd_soc_dapm_stats { |
629 | int power_checks; | |
630 | int path_checks; | |
e56235e0 | 631 | int neighbour_checks; |
de02d078 MB |
632 | }; |
633 | ||
fa880775 LPC |
634 | /** |
635 | * snd_soc_dapm_init_bias_level() - Initialize DAPM bias level | |
636 | * @dapm: The DAPM context to initialize | |
637 | * @level: The DAPM level to initialize to | |
638 | * | |
639 | * This function only sets the driver internal state of the DAPM level and will | |
640 | * not modify the state of the device. Hence it should not be used during normal | |
641 | * operation, but only to synchronize the internal state to the device state. | |
642 | * E.g. during driver probe to set the DAPM level to the one corresponding with | |
643 | * the power-on reset state of the device. | |
644 | * | |
645 | * To change the DAPM state of the device use snd_soc_dapm_set_bias_level(). | |
646 | */ | |
647 | static inline void snd_soc_dapm_init_bias_level( | |
648 | struct snd_soc_dapm_context *dapm, enum snd_soc_bias_level level) | |
649 | { | |
650 | dapm->bias_level = level; | |
651 | } | |
652 | ||
653 | /** | |
654 | * snd_soc_dapm_get_bias_level() - Get current DAPM bias level | |
655 | * @dapm: The context for which to get the bias level | |
656 | * | |
657 | * Returns: The current bias level of the passed DAPM context. | |
658 | */ | |
659 | static inline enum snd_soc_bias_level snd_soc_dapm_get_bias_level( | |
660 | struct snd_soc_dapm_context *dapm) | |
661 | { | |
662 | return dapm->bias_level; | |
663 | } | |
664 | ||
808db4a4 | 665 | #endif |