Commit | Line | Data |
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7377226c PZ |
1 | /* |
2 | * SoC audio for HTC Magician | |
3 | * | |
4 | * Copyright (c) 2006 Philipp Zabel <philipp.zabel@gmail.com> | |
5 | * | |
6 | * based on spitz.c, | |
7 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> | |
8 | * Richard Purdie <richard@openedhand.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2 of the License, or (at your | |
13 | * option) any later version. | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/module.h> | |
18 | #include <linux/timer.h> | |
19 | #include <linux/interrupt.h> | |
20 | #include <linux/platform_device.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/gpio.h> | |
1abd9184 | 23 | #include <linux/i2c.h> |
7377226c PZ |
24 | |
25 | #include <sound/core.h> | |
26 | #include <sound/pcm.h> | |
27 | #include <sound/pcm_params.h> | |
28 | #include <sound/soc.h> | |
1abd9184 | 29 | #include <sound/uda1380.h> |
7377226c | 30 | |
7377226c PZ |
31 | #include <mach/magician.h> |
32 | #include <asm/mach-types.h> | |
33 | #include "../codecs/uda1380.h" | |
7377226c PZ |
34 | #include "pxa2xx-i2s.h" |
35 | #include "pxa-ssp.h" | |
36 | ||
37 | #define MAGICIAN_MIC 0 | |
38 | #define MAGICIAN_MIC_EXT 1 | |
39 | ||
40 | static int magician_hp_switch; | |
41 | static int magician_spk_switch = 1; | |
42 | static int magician_in_sel = MAGICIAN_MIC; | |
43 | ||
0fbd44ab | 44 | static void magician_ext_control(struct snd_soc_dapm_context *dapm) |
7377226c | 45 | { |
ce6120cc | 46 | |
f71b0fbe CK |
47 | snd_soc_dapm_mutex_lock(dapm); |
48 | ||
7377226c | 49 | if (magician_spk_switch) |
f71b0fbe | 50 | snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker"); |
7377226c | 51 | else |
f71b0fbe | 52 | snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker"); |
7377226c | 53 | if (magician_hp_switch) |
f71b0fbe | 54 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); |
7377226c | 55 | else |
f71b0fbe | 56 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); |
7377226c PZ |
57 | |
58 | switch (magician_in_sel) { | |
59 | case MAGICIAN_MIC: | |
f71b0fbe CK |
60 | snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Mic"); |
61 | snd_soc_dapm_enable_pin_unlocked(dapm, "Call Mic"); | |
7377226c PZ |
62 | break; |
63 | case MAGICIAN_MIC_EXT: | |
f71b0fbe CK |
64 | snd_soc_dapm_disable_pin_unlocked(dapm, "Call Mic"); |
65 | snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Mic"); | |
7377226c PZ |
66 | break; |
67 | } | |
68 | ||
f71b0fbe CK |
69 | snd_soc_dapm_sync_unlocked(dapm); |
70 | ||
71 | snd_soc_dapm_mutex_unlock(dapm); | |
7377226c PZ |
72 | } |
73 | ||
74 | static int magician_startup(struct snd_pcm_substream *substream) | |
75 | { | |
76 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
7377226c PZ |
77 | |
78 | /* check the jack status at stream startup */ | |
0fbd44ab | 79 | magician_ext_control(&rtd->card->dapm); |
7377226c PZ |
80 | |
81 | return 0; | |
82 | } | |
83 | ||
84 | /* | |
85 | * Magician uses SSP port for playback. | |
86 | */ | |
87 | static int magician_playback_hw_params(struct snd_pcm_substream *substream, | |
88 | struct snd_pcm_hw_params *params) | |
89 | { | |
90 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
91 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
92 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
c6add3f0 | 93 | unsigned int acps, acds, width; |
7377226c PZ |
94 | unsigned int div4 = PXA_SSP_CLK_SCDB_4; |
95 | int ret = 0; | |
96 | ||
7377226c PZ |
97 | width = snd_pcm_format_physical_width(params_format(params)); |
98 | ||
99 | /* | |
100 | * rate = SSPSCLK / (2 * width(16 or 32)) | |
101 | * SSPSCLK = (ACPS / ACDS) / SSPSCLKDIV(div4 or div1) | |
102 | */ | |
103 | switch (params_rate(params)) { | |
104 | case 8000: | |
105 | /* off by a factor of 2: bug in the PXA27x audio clock? */ | |
106 | acps = 32842000; | |
107 | switch (width) { | |
108 | case 16: | |
109 | /* 513156 Hz ~= _2_ * 8000 Hz * 32 (+0.23%) */ | |
110 | acds = PXA_SSP_CLK_AUDIO_DIV_16; | |
111 | break; | |
2bf2778e | 112 | default: /* 32 */ |
7377226c PZ |
113 | /* 1026312 Hz ~= _2_ * 8000 Hz * 64 (+0.23%) */ |
114 | acds = PXA_SSP_CLK_AUDIO_DIV_8; | |
115 | } | |
116 | break; | |
117 | case 11025: | |
118 | acps = 5622000; | |
119 | switch (width) { | |
120 | case 16: | |
121 | /* 351375 Hz ~= 11025 Hz * 32 (-0.41%) */ | |
122 | acds = PXA_SSP_CLK_AUDIO_DIV_4; | |
123 | break; | |
2bf2778e | 124 | default: /* 32 */ |
7377226c PZ |
125 | /* 702750 Hz ~= 11025 Hz * 64 (-0.41%) */ |
126 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
127 | } | |
128 | break; | |
129 | case 22050: | |
130 | acps = 5622000; | |
131 | switch (width) { | |
132 | case 16: | |
133 | /* 702750 Hz ~= 22050 Hz * 32 (-0.41%) */ | |
134 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
135 | break; | |
2bf2778e | 136 | default: /* 32 */ |
7377226c PZ |
137 | /* 1405500 Hz ~= 22050 Hz * 64 (-0.41%) */ |
138 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
139 | } | |
140 | break; | |
141 | case 44100: | |
142 | acps = 5622000; | |
143 | switch (width) { | |
144 | case 16: | |
145 | /* 1405500 Hz ~= 44100 Hz * 32 (-0.41%) */ | |
146 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
147 | break; | |
2bf2778e | 148 | default: /* 32 */ |
7377226c PZ |
149 | /* 2811000 Hz ~= 44100 Hz * 64 (-0.41%) */ |
150 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
151 | } | |
152 | break; | |
153 | case 48000: | |
154 | acps = 12235000; | |
155 | switch (width) { | |
156 | case 16: | |
157 | /* 1529375 Hz ~= 48000 Hz * 32 (-0.44%) */ | |
158 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
159 | break; | |
2bf2778e | 160 | default: /* 32 */ |
7377226c PZ |
161 | /* 3058750 Hz ~= 48000 Hz * 64 (-0.44%) */ |
162 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
163 | } | |
164 | break; | |
165 | case 96000: | |
2bf2778e | 166 | default: |
7377226c PZ |
167 | acps = 12235000; |
168 | switch (width) { | |
169 | case 16: | |
170 | /* 3058750 Hz ~= 96000 Hz * 32 (-0.44%) */ | |
171 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
172 | break; | |
2bf2778e | 173 | default: /* 32 */ |
7377226c PZ |
174 | /* 6117500 Hz ~= 96000 Hz * 64 (-0.44%) */ |
175 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
176 | div4 = PXA_SSP_CLK_SCDB_1; | |
177 | break; | |
178 | } | |
179 | break; | |
180 | } | |
181 | ||
182 | /* set codec DAI configuration */ | |
183 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_MSB | | |
184 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); | |
185 | if (ret < 0) | |
186 | return ret; | |
187 | ||
188 | /* set cpu DAI configuration */ | |
189 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A | | |
33745fb3 | 190 | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_CBS_CFS); |
7377226c PZ |
191 | if (ret < 0) |
192 | return ret; | |
193 | ||
a5479e38 | 194 | ret = snd_soc_dai_set_tdm_slot(cpu_dai, 1, 0, 1, width); |
7377226c PZ |
195 | if (ret < 0) |
196 | return ret; | |
197 | ||
198 | /* set audio clock as clock source */ | |
199 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0, | |
200 | SND_SOC_CLOCK_OUT); | |
201 | if (ret < 0) | |
202 | return ret; | |
203 | ||
204 | /* set the SSP audio system clock ACDS divider */ | |
205 | ret = snd_soc_dai_set_clkdiv(cpu_dai, | |
206 | PXA_SSP_AUDIO_DIV_ACDS, acds); | |
207 | if (ret < 0) | |
208 | return ret; | |
209 | ||
210 | /* set the SSP audio system clock SCDB divider4 */ | |
211 | ret = snd_soc_dai_set_clkdiv(cpu_dai, | |
212 | PXA_SSP_AUDIO_DIV_SCDB, div4); | |
213 | if (ret < 0) | |
214 | return ret; | |
215 | ||
216 | /* set SSP audio pll clock */ | |
85488037 | 217 | ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, 0, acps); |
7377226c PZ |
218 | if (ret < 0) |
219 | return ret; | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
224 | /* | |
225 | * Magician uses I2S for capture. | |
226 | */ | |
227 | static int magician_capture_hw_params(struct snd_pcm_substream *substream, | |
228 | struct snd_pcm_hw_params *params) | |
229 | { | |
230 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
231 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
232 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
7377226c PZ |
233 | int ret = 0; |
234 | ||
235 | /* set codec DAI configuration */ | |
236 | ret = snd_soc_dai_set_fmt(codec_dai, | |
237 | SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | | |
238 | SND_SOC_DAIFMT_CBS_CFS); | |
239 | if (ret < 0) | |
240 | return ret; | |
241 | ||
242 | /* set cpu DAI configuration */ | |
243 | ret = snd_soc_dai_set_fmt(cpu_dai, | |
244 | SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | | |
245 | SND_SOC_DAIFMT_CBS_CFS); | |
246 | if (ret < 0) | |
247 | return ret; | |
248 | ||
249 | /* set the I2S system clock as output */ | |
250 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, | |
251 | SND_SOC_CLOCK_OUT); | |
252 | if (ret < 0) | |
253 | return ret; | |
254 | ||
255 | return 0; | |
256 | } | |
257 | ||
258 | static struct snd_soc_ops magician_capture_ops = { | |
259 | .startup = magician_startup, | |
260 | .hw_params = magician_capture_hw_params, | |
261 | }; | |
262 | ||
263 | static struct snd_soc_ops magician_playback_ops = { | |
264 | .startup = magician_startup, | |
265 | .hw_params = magician_playback_hw_params, | |
266 | }; | |
267 | ||
268 | static int magician_get_hp(struct snd_kcontrol *kcontrol, | |
269 | struct snd_ctl_elem_value *ucontrol) | |
270 | { | |
271 | ucontrol->value.integer.value[0] = magician_hp_switch; | |
272 | return 0; | |
273 | } | |
274 | ||
275 | static int magician_set_hp(struct snd_kcontrol *kcontrol, | |
276 | struct snd_ctl_elem_value *ucontrol) | |
277 | { | |
0fbd44ab | 278 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
7377226c PZ |
279 | |
280 | if (magician_hp_switch == ucontrol->value.integer.value[0]) | |
281 | return 0; | |
282 | ||
283 | magician_hp_switch = ucontrol->value.integer.value[0]; | |
0fbd44ab | 284 | magician_ext_control(&card->dapm); |
7377226c PZ |
285 | return 1; |
286 | } | |
287 | ||
288 | static int magician_get_spk(struct snd_kcontrol *kcontrol, | |
289 | struct snd_ctl_elem_value *ucontrol) | |
290 | { | |
291 | ucontrol->value.integer.value[0] = magician_spk_switch; | |
292 | return 0; | |
293 | } | |
294 | ||
295 | static int magician_set_spk(struct snd_kcontrol *kcontrol, | |
296 | struct snd_ctl_elem_value *ucontrol) | |
297 | { | |
0fbd44ab | 298 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
7377226c PZ |
299 | |
300 | if (magician_spk_switch == ucontrol->value.integer.value[0]) | |
301 | return 0; | |
302 | ||
303 | magician_spk_switch = ucontrol->value.integer.value[0]; | |
0fbd44ab | 304 | magician_ext_control(&card->dapm); |
7377226c PZ |
305 | return 1; |
306 | } | |
307 | ||
308 | static int magician_get_input(struct snd_kcontrol *kcontrol, | |
309 | struct snd_ctl_elem_value *ucontrol) | |
310 | { | |
127ee199 | 311 | ucontrol->value.enumerated.item[0] = magician_in_sel; |
7377226c PZ |
312 | return 0; |
313 | } | |
314 | ||
315 | static int magician_set_input(struct snd_kcontrol *kcontrol, | |
316 | struct snd_ctl_elem_value *ucontrol) | |
317 | { | |
127ee199 | 318 | if (magician_in_sel == ucontrol->value.enumerated.item[0]) |
7377226c PZ |
319 | return 0; |
320 | ||
127ee199 | 321 | magician_in_sel = ucontrol->value.enumerated.item[0]; |
7377226c PZ |
322 | |
323 | switch (magician_in_sel) { | |
324 | case MAGICIAN_MIC: | |
325 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1); | |
326 | break; | |
327 | case MAGICIAN_MIC_EXT: | |
328 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0); | |
329 | } | |
330 | ||
331 | return 1; | |
332 | } | |
333 | ||
334 | static int magician_spk_power(struct snd_soc_dapm_widget *w, | |
335 | struct snd_kcontrol *k, int event) | |
336 | { | |
337 | gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
338 | return 0; | |
339 | } | |
340 | ||
341 | static int magician_hp_power(struct snd_soc_dapm_widget *w, | |
342 | struct snd_kcontrol *k, int event) | |
343 | { | |
344 | gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
345 | return 0; | |
346 | } | |
347 | ||
348 | static int magician_mic_bias(struct snd_soc_dapm_widget *w, | |
349 | struct snd_kcontrol *k, int event) | |
350 | { | |
351 | gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
352 | return 0; | |
353 | } | |
354 | ||
355 | /* magician machine dapm widgets */ | |
356 | static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = { | |
357 | SND_SOC_DAPM_HP("Headphone Jack", magician_hp_power), | |
358 | SND_SOC_DAPM_SPK("Speaker", magician_spk_power), | |
359 | SND_SOC_DAPM_MIC("Call Mic", magician_mic_bias), | |
360 | SND_SOC_DAPM_MIC("Headset Mic", magician_mic_bias), | |
361 | }; | |
362 | ||
363 | /* magician machine audio_map */ | |
364 | static const struct snd_soc_dapm_route audio_map[] = { | |
365 | ||
366 | /* Headphone connected to VOUTL, VOUTR */ | |
367 | {"Headphone Jack", NULL, "VOUTL"}, | |
368 | {"Headphone Jack", NULL, "VOUTR"}, | |
369 | ||
370 | /* Speaker connected to VOUTL, VOUTR */ | |
371 | {"Speaker", NULL, "VOUTL"}, | |
372 | {"Speaker", NULL, "VOUTR"}, | |
373 | ||
374 | /* Mics are connected to VINM */ | |
375 | {"VINM", NULL, "Headset Mic"}, | |
376 | {"VINM", NULL, "Call Mic"}, | |
377 | }; | |
378 | ||
379 | static const char *input_select[] = {"Call Mic", "Headset Mic"}; | |
380 | static const struct soc_enum magician_in_sel_enum = | |
381 | SOC_ENUM_SINGLE_EXT(2, input_select); | |
382 | ||
383 | static const struct snd_kcontrol_new uda1380_magician_controls[] = { | |
384 | SOC_SINGLE_BOOL_EXT("Headphone Switch", | |
385 | (unsigned long)&magician_hp_switch, | |
386 | magician_get_hp, magician_set_hp), | |
387 | SOC_SINGLE_BOOL_EXT("Speaker Switch", | |
388 | (unsigned long)&magician_spk_switch, | |
389 | magician_get_spk, magician_set_spk), | |
390 | SOC_ENUM_EXT("Input Select", magician_in_sel_enum, | |
391 | magician_get_input, magician_set_input), | |
392 | }; | |
393 | ||
7377226c PZ |
394 | /* magician digital audio interface glue - connects codec <--> CPU */ |
395 | static struct snd_soc_dai_link magician_dai[] = { | |
396 | { | |
397 | .name = "uda1380", | |
398 | .stream_name = "UDA1380 Playback", | |
f0fba2ad LG |
399 | .cpu_dai_name = "pxa-ssp-dai.0", |
400 | .codec_dai_name = "uda1380-hifi-playback", | |
401 | .platform_name = "pxa-pcm-audio", | |
402 | .codec_name = "uda1380-codec.0-0018", | |
7377226c PZ |
403 | .ops = &magician_playback_ops, |
404 | }, | |
405 | { | |
406 | .name = "uda1380", | |
407 | .stream_name = "UDA1380 Capture", | |
a2a0086d | 408 | .cpu_dai_name = "pxa2xx-i2s", |
f0fba2ad LG |
409 | .codec_dai_name = "uda1380-hifi-capture", |
410 | .platform_name = "pxa-pcm-audio", | |
411 | .codec_name = "uda1380-codec.0-0018", | |
7377226c PZ |
412 | .ops = &magician_capture_ops, |
413 | } | |
414 | }; | |
415 | ||
416 | /* magician audio machine driver */ | |
417 | static struct snd_soc_card snd_soc_card_magician = { | |
418 | .name = "Magician", | |
561c6a17 | 419 | .owner = THIS_MODULE, |
7377226c PZ |
420 | .dai_link = magician_dai, |
421 | .num_links = ARRAY_SIZE(magician_dai), | |
7377226c | 422 | |
0fbd44ab LPC |
423 | .controls = uda1380_magician_controls, |
424 | .num_controls = ARRAY_SIZE(uda1380_magician_controls), | |
425 | .dapm_widgets = uda1380_dapm_widgets, | |
426 | .num_dapm_widgets = ARRAY_SIZE(uda1380_dapm_widgets), | |
427 | .dapm_routes = audio_map, | |
428 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
3cfaaaa0 | 429 | .fully_routed = true, |
7377226c PZ |
430 | }; |
431 | ||
432 | static struct platform_device *magician_snd_device; | |
433 | ||
1abd9184 PZ |
434 | /* |
435 | * FIXME: move into magician board file once merged into the pxa tree | |
436 | */ | |
437 | static struct uda1380_platform_data uda1380_info = { | |
438 | .gpio_power = EGPIO_MAGICIAN_CODEC_POWER, | |
439 | .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET, | |
440 | .dac_clk = UDA1380_DAC_CLK_WSPLL, | |
441 | }; | |
442 | ||
443 | static struct i2c_board_info i2c_board_info[] = { | |
444 | { | |
445 | I2C_BOARD_INFO("uda1380", 0x18), | |
446 | .platform_data = &uda1380_info, | |
447 | }, | |
448 | }; | |
449 | ||
7377226c PZ |
450 | static int __init magician_init(void) |
451 | { | |
452 | int ret; | |
1abd9184 PZ |
453 | struct i2c_adapter *adapter; |
454 | struct i2c_client *client; | |
7377226c PZ |
455 | |
456 | if (!machine_is_magician()) | |
457 | return -ENODEV; | |
458 | ||
1abd9184 PZ |
459 | adapter = i2c_get_adapter(0); |
460 | if (!adapter) | |
461 | return -ENODEV; | |
462 | client = i2c_new_device(adapter, i2c_board_info); | |
463 | i2c_put_adapter(adapter); | |
464 | if (!client) | |
465 | return -ENODEV; | |
466 | ||
7377226c PZ |
467 | ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER"); |
468 | if (ret) | |
469 | goto err_request_spk; | |
470 | ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER"); | |
471 | if (ret) | |
472 | goto err_request_ep; | |
473 | ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER"); | |
474 | if (ret) | |
475 | goto err_request_mic; | |
476 | ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0"); | |
477 | if (ret) | |
478 | goto err_request_in_sel0; | |
479 | ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1"); | |
480 | if (ret) | |
481 | goto err_request_in_sel1; | |
482 | ||
7377226c PZ |
483 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0); |
484 | ||
7377226c PZ |
485 | magician_snd_device = platform_device_alloc("soc-audio", -1); |
486 | if (!magician_snd_device) { | |
487 | ret = -ENOMEM; | |
488 | goto err_pdev; | |
489 | } | |
490 | ||
f0fba2ad | 491 | platform_set_drvdata(magician_snd_device, &snd_soc_card_magician); |
7377226c PZ |
492 | ret = platform_device_add(magician_snd_device); |
493 | if (ret) { | |
494 | platform_device_put(magician_snd_device); | |
495 | goto err_pdev; | |
496 | } | |
497 | ||
498 | return 0; | |
499 | ||
500 | err_pdev: | |
501 | gpio_free(EGPIO_MAGICIAN_IN_SEL1); | |
502 | err_request_in_sel1: | |
503 | gpio_free(EGPIO_MAGICIAN_IN_SEL0); | |
504 | err_request_in_sel0: | |
505 | gpio_free(EGPIO_MAGICIAN_MIC_POWER); | |
506 | err_request_mic: | |
507 | gpio_free(EGPIO_MAGICIAN_EP_POWER); | |
508 | err_request_ep: | |
509 | gpio_free(EGPIO_MAGICIAN_SPK_POWER); | |
510 | err_request_spk: | |
7377226c PZ |
511 | return ret; |
512 | } | |
513 | ||
514 | static void __exit magician_exit(void) | |
515 | { | |
516 | platform_device_unregister(magician_snd_device); | |
517 | ||
518 | gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0); | |
519 | gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0); | |
520 | gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0); | |
7377226c PZ |
521 | |
522 | gpio_free(EGPIO_MAGICIAN_IN_SEL1); | |
523 | gpio_free(EGPIO_MAGICIAN_IN_SEL0); | |
524 | gpio_free(EGPIO_MAGICIAN_MIC_POWER); | |
525 | gpio_free(EGPIO_MAGICIAN_EP_POWER); | |
526 | gpio_free(EGPIO_MAGICIAN_SPK_POWER); | |
7377226c PZ |
527 | } |
528 | ||
529 | module_init(magician_init); | |
530 | module_exit(magician_exit); | |
531 | ||
532 | MODULE_AUTHOR("Philipp Zabel"); | |
533 | MODULE_DESCRIPTION("ALSA SoC Magician"); | |
534 | MODULE_LICENSE("GPL"); |