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> | |
23 | ||
24 | #include <sound/core.h> | |
25 | #include <sound/pcm.h> | |
26 | #include <sound/pcm_params.h> | |
27 | #include <sound/soc.h> | |
28 | #include <sound/soc-dapm.h> | |
29 | ||
7377226c PZ |
30 | #include <mach/magician.h> |
31 | #include <asm/mach-types.h> | |
32 | #include "../codecs/uda1380.h" | |
33 | #include "pxa2xx-pcm.h" | |
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 | ||
44 | static void magician_ext_control(struct snd_soc_codec *codec) | |
45 | { | |
46 | if (magician_spk_switch) | |
47 | snd_soc_dapm_enable_pin(codec, "Speaker"); | |
48 | else | |
49 | snd_soc_dapm_disable_pin(codec, "Speaker"); | |
50 | if (magician_hp_switch) | |
51 | snd_soc_dapm_enable_pin(codec, "Headphone Jack"); | |
52 | else | |
53 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); | |
54 | ||
55 | switch (magician_in_sel) { | |
56 | case MAGICIAN_MIC: | |
57 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
58 | snd_soc_dapm_enable_pin(codec, "Call Mic"); | |
59 | break; | |
60 | case MAGICIAN_MIC_EXT: | |
61 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
62 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); | |
63 | break; | |
64 | } | |
65 | ||
66 | snd_soc_dapm_sync(codec); | |
67 | } | |
68 | ||
69 | static int magician_startup(struct snd_pcm_substream *substream) | |
70 | { | |
71 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
72 | struct snd_soc_codec *codec = rtd->socdev->card->codec; | |
73 | ||
74 | /* check the jack status at stream startup */ | |
75 | magician_ext_control(codec); | |
76 | ||
77 | return 0; | |
78 | } | |
79 | ||
80 | /* | |
81 | * Magician uses SSP port for playback. | |
82 | */ | |
83 | static int magician_playback_hw_params(struct snd_pcm_substream *substream, | |
84 | struct snd_pcm_hw_params *params) | |
85 | { | |
86 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
87 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; | |
88 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
89 | unsigned int acps, acds, width, rate; | |
90 | unsigned int div4 = PXA_SSP_CLK_SCDB_4; | |
91 | int ret = 0; | |
92 | ||
93 | rate = params_rate(params); | |
94 | width = snd_pcm_format_physical_width(params_format(params)); | |
95 | ||
96 | /* | |
97 | * rate = SSPSCLK / (2 * width(16 or 32)) | |
98 | * SSPSCLK = (ACPS / ACDS) / SSPSCLKDIV(div4 or div1) | |
99 | */ | |
100 | switch (params_rate(params)) { | |
101 | case 8000: | |
102 | /* off by a factor of 2: bug in the PXA27x audio clock? */ | |
103 | acps = 32842000; | |
104 | switch (width) { | |
105 | case 16: | |
106 | /* 513156 Hz ~= _2_ * 8000 Hz * 32 (+0.23%) */ | |
107 | acds = PXA_SSP_CLK_AUDIO_DIV_16; | |
108 | break; | |
2bf2778e | 109 | default: /* 32 */ |
7377226c PZ |
110 | /* 1026312 Hz ~= _2_ * 8000 Hz * 64 (+0.23%) */ |
111 | acds = PXA_SSP_CLK_AUDIO_DIV_8; | |
112 | } | |
113 | break; | |
114 | case 11025: | |
115 | acps = 5622000; | |
116 | switch (width) { | |
117 | case 16: | |
118 | /* 351375 Hz ~= 11025 Hz * 32 (-0.41%) */ | |
119 | acds = PXA_SSP_CLK_AUDIO_DIV_4; | |
120 | break; | |
2bf2778e | 121 | default: /* 32 */ |
7377226c PZ |
122 | /* 702750 Hz ~= 11025 Hz * 64 (-0.41%) */ |
123 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
124 | } | |
125 | break; | |
126 | case 22050: | |
127 | acps = 5622000; | |
128 | switch (width) { | |
129 | case 16: | |
130 | /* 702750 Hz ~= 22050 Hz * 32 (-0.41%) */ | |
131 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
132 | break; | |
2bf2778e | 133 | default: /* 32 */ |
7377226c PZ |
134 | /* 1405500 Hz ~= 22050 Hz * 64 (-0.41%) */ |
135 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
136 | } | |
137 | break; | |
138 | case 44100: | |
139 | acps = 5622000; | |
140 | switch (width) { | |
141 | case 16: | |
142 | /* 1405500 Hz ~= 44100 Hz * 32 (-0.41%) */ | |
143 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
144 | break; | |
2bf2778e | 145 | default: /* 32 */ |
7377226c PZ |
146 | /* 2811000 Hz ~= 44100 Hz * 64 (-0.41%) */ |
147 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
148 | } | |
149 | break; | |
150 | case 48000: | |
151 | acps = 12235000; | |
152 | switch (width) { | |
153 | case 16: | |
154 | /* 1529375 Hz ~= 48000 Hz * 32 (-0.44%) */ | |
155 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
156 | break; | |
2bf2778e | 157 | default: /* 32 */ |
7377226c PZ |
158 | /* 3058750 Hz ~= 48000 Hz * 64 (-0.44%) */ |
159 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
160 | } | |
161 | break; | |
162 | case 96000: | |
2bf2778e | 163 | default: |
7377226c PZ |
164 | acps = 12235000; |
165 | switch (width) { | |
166 | case 16: | |
167 | /* 3058750 Hz ~= 96000 Hz * 32 (-0.44%) */ | |
168 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
169 | break; | |
2bf2778e | 170 | default: /* 32 */ |
7377226c PZ |
171 | /* 6117500 Hz ~= 96000 Hz * 64 (-0.44%) */ |
172 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
173 | div4 = PXA_SSP_CLK_SCDB_1; | |
174 | break; | |
175 | } | |
176 | break; | |
177 | } | |
178 | ||
179 | /* set codec DAI configuration */ | |
180 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_MSB | | |
181 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); | |
182 | if (ret < 0) | |
183 | return ret; | |
184 | ||
185 | /* set cpu DAI configuration */ | |
186 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A | | |
187 | SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBS_CFS); | |
188 | if (ret < 0) | |
189 | return ret; | |
190 | ||
191 | ret = snd_soc_dai_set_tdm_slot(cpu_dai, 1, 1); | |
192 | if (ret < 0) | |
193 | return ret; | |
194 | ||
195 | /* set audio clock as clock source */ | |
196 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0, | |
197 | SND_SOC_CLOCK_OUT); | |
198 | if (ret < 0) | |
199 | return ret; | |
200 | ||
201 | /* set the SSP audio system clock ACDS divider */ | |
202 | ret = snd_soc_dai_set_clkdiv(cpu_dai, | |
203 | PXA_SSP_AUDIO_DIV_ACDS, acds); | |
204 | if (ret < 0) | |
205 | return ret; | |
206 | ||
207 | /* set the SSP audio system clock SCDB divider4 */ | |
208 | ret = snd_soc_dai_set_clkdiv(cpu_dai, | |
209 | PXA_SSP_AUDIO_DIV_SCDB, div4); | |
210 | if (ret < 0) | |
211 | return ret; | |
212 | ||
213 | /* set SSP audio pll clock */ | |
214 | ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, acps); | |
215 | if (ret < 0) | |
216 | return ret; | |
217 | ||
218 | return 0; | |
219 | } | |
220 | ||
221 | /* | |
222 | * Magician uses I2S for capture. | |
223 | */ | |
224 | static int magician_capture_hw_params(struct snd_pcm_substream *substream, | |
225 | struct snd_pcm_hw_params *params) | |
226 | { | |
227 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
228 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; | |
229 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
230 | int ret = 0; | |
231 | ||
232 | /* set codec DAI configuration */ | |
233 | ret = snd_soc_dai_set_fmt(codec_dai, | |
234 | SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | | |
235 | SND_SOC_DAIFMT_CBS_CFS); | |
236 | if (ret < 0) | |
237 | return ret; | |
238 | ||
239 | /* set cpu DAI configuration */ | |
240 | ret = snd_soc_dai_set_fmt(cpu_dai, | |
241 | SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | | |
242 | SND_SOC_DAIFMT_CBS_CFS); | |
243 | if (ret < 0) | |
244 | return ret; | |
245 | ||
246 | /* set the I2S system clock as output */ | |
247 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, | |
248 | SND_SOC_CLOCK_OUT); | |
249 | if (ret < 0) | |
250 | return ret; | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
255 | static struct snd_soc_ops magician_capture_ops = { | |
256 | .startup = magician_startup, | |
257 | .hw_params = magician_capture_hw_params, | |
258 | }; | |
259 | ||
260 | static struct snd_soc_ops magician_playback_ops = { | |
261 | .startup = magician_startup, | |
262 | .hw_params = magician_playback_hw_params, | |
263 | }; | |
264 | ||
265 | static int magician_get_hp(struct snd_kcontrol *kcontrol, | |
266 | struct snd_ctl_elem_value *ucontrol) | |
267 | { | |
268 | ucontrol->value.integer.value[0] = magician_hp_switch; | |
269 | return 0; | |
270 | } | |
271 | ||
272 | static int magician_set_hp(struct snd_kcontrol *kcontrol, | |
273 | struct snd_ctl_elem_value *ucontrol) | |
274 | { | |
275 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
276 | ||
277 | if (magician_hp_switch == ucontrol->value.integer.value[0]) | |
278 | return 0; | |
279 | ||
280 | magician_hp_switch = ucontrol->value.integer.value[0]; | |
281 | magician_ext_control(codec); | |
282 | return 1; | |
283 | } | |
284 | ||
285 | static int magician_get_spk(struct snd_kcontrol *kcontrol, | |
286 | struct snd_ctl_elem_value *ucontrol) | |
287 | { | |
288 | ucontrol->value.integer.value[0] = magician_spk_switch; | |
289 | return 0; | |
290 | } | |
291 | ||
292 | static int magician_set_spk(struct snd_kcontrol *kcontrol, | |
293 | struct snd_ctl_elem_value *ucontrol) | |
294 | { | |
295 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
296 | ||
297 | if (magician_spk_switch == ucontrol->value.integer.value[0]) | |
298 | return 0; | |
299 | ||
300 | magician_spk_switch = ucontrol->value.integer.value[0]; | |
301 | magician_ext_control(codec); | |
302 | return 1; | |
303 | } | |
304 | ||
305 | static int magician_get_input(struct snd_kcontrol *kcontrol, | |
306 | struct snd_ctl_elem_value *ucontrol) | |
307 | { | |
308 | ucontrol->value.integer.value[0] = magician_in_sel; | |
309 | return 0; | |
310 | } | |
311 | ||
312 | static int magician_set_input(struct snd_kcontrol *kcontrol, | |
313 | struct snd_ctl_elem_value *ucontrol) | |
314 | { | |
315 | if (magician_in_sel == ucontrol->value.integer.value[0]) | |
316 | return 0; | |
317 | ||
318 | magician_in_sel = ucontrol->value.integer.value[0]; | |
319 | ||
320 | switch (magician_in_sel) { | |
321 | case MAGICIAN_MIC: | |
322 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1); | |
323 | break; | |
324 | case MAGICIAN_MIC_EXT: | |
325 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0); | |
326 | } | |
327 | ||
328 | return 1; | |
329 | } | |
330 | ||
331 | static int magician_spk_power(struct snd_soc_dapm_widget *w, | |
332 | struct snd_kcontrol *k, int event) | |
333 | { | |
334 | gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
335 | return 0; | |
336 | } | |
337 | ||
338 | static int magician_hp_power(struct snd_soc_dapm_widget *w, | |
339 | struct snd_kcontrol *k, int event) | |
340 | { | |
341 | gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
342 | return 0; | |
343 | } | |
344 | ||
345 | static int magician_mic_bias(struct snd_soc_dapm_widget *w, | |
346 | struct snd_kcontrol *k, int event) | |
347 | { | |
348 | gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
349 | return 0; | |
350 | } | |
351 | ||
352 | /* magician machine dapm widgets */ | |
353 | static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = { | |
354 | SND_SOC_DAPM_HP("Headphone Jack", magician_hp_power), | |
355 | SND_SOC_DAPM_SPK("Speaker", magician_spk_power), | |
356 | SND_SOC_DAPM_MIC("Call Mic", magician_mic_bias), | |
357 | SND_SOC_DAPM_MIC("Headset Mic", magician_mic_bias), | |
358 | }; | |
359 | ||
360 | /* magician machine audio_map */ | |
361 | static const struct snd_soc_dapm_route audio_map[] = { | |
362 | ||
363 | /* Headphone connected to VOUTL, VOUTR */ | |
364 | {"Headphone Jack", NULL, "VOUTL"}, | |
365 | {"Headphone Jack", NULL, "VOUTR"}, | |
366 | ||
367 | /* Speaker connected to VOUTL, VOUTR */ | |
368 | {"Speaker", NULL, "VOUTL"}, | |
369 | {"Speaker", NULL, "VOUTR"}, | |
370 | ||
371 | /* Mics are connected to VINM */ | |
372 | {"VINM", NULL, "Headset Mic"}, | |
373 | {"VINM", NULL, "Call Mic"}, | |
374 | }; | |
375 | ||
376 | static const char *input_select[] = {"Call Mic", "Headset Mic"}; | |
377 | static const struct soc_enum magician_in_sel_enum = | |
378 | SOC_ENUM_SINGLE_EXT(2, input_select); | |
379 | ||
380 | static const struct snd_kcontrol_new uda1380_magician_controls[] = { | |
381 | SOC_SINGLE_BOOL_EXT("Headphone Switch", | |
382 | (unsigned long)&magician_hp_switch, | |
383 | magician_get_hp, magician_set_hp), | |
384 | SOC_SINGLE_BOOL_EXT("Speaker Switch", | |
385 | (unsigned long)&magician_spk_switch, | |
386 | magician_get_spk, magician_set_spk), | |
387 | SOC_ENUM_EXT("Input Select", magician_in_sel_enum, | |
388 | magician_get_input, magician_set_input), | |
389 | }; | |
390 | ||
391 | /* | |
392 | * Logic for a uda1380 as connected on a HTC Magician | |
393 | */ | |
394 | static int magician_uda1380_init(struct snd_soc_codec *codec) | |
395 | { | |
396 | int err; | |
397 | ||
398 | /* NC codec pins */ | |
399 | snd_soc_dapm_nc_pin(codec, "VOUTLHP"); | |
400 | snd_soc_dapm_nc_pin(codec, "VOUTRHP"); | |
401 | ||
402 | /* FIXME: is anything connected here? */ | |
403 | snd_soc_dapm_nc_pin(codec, "VINL"); | |
404 | snd_soc_dapm_nc_pin(codec, "VINR"); | |
405 | ||
406 | /* Add magician specific controls */ | |
407 | err = snd_soc_add_controls(codec, uda1380_magician_controls, | |
408 | ARRAY_SIZE(uda1380_magician_controls)); | |
409 | if (err < 0) | |
410 | return err; | |
411 | ||
412 | /* Add magician specific widgets */ | |
413 | snd_soc_dapm_new_controls(codec, uda1380_dapm_widgets, | |
414 | ARRAY_SIZE(uda1380_dapm_widgets)); | |
415 | ||
416 | /* Set up magician specific audio path interconnects */ | |
417 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | |
418 | ||
419 | snd_soc_dapm_sync(codec); | |
420 | return 0; | |
421 | } | |
422 | ||
423 | /* magician digital audio interface glue - connects codec <--> CPU */ | |
424 | static struct snd_soc_dai_link magician_dai[] = { | |
425 | { | |
426 | .name = "uda1380", | |
427 | .stream_name = "UDA1380 Playback", | |
428 | .cpu_dai = &pxa_ssp_dai[PXA_DAI_SSP1], | |
429 | .codec_dai = &uda1380_dai[UDA1380_DAI_PLAYBACK], | |
430 | .init = magician_uda1380_init, | |
431 | .ops = &magician_playback_ops, | |
432 | }, | |
433 | { | |
434 | .name = "uda1380", | |
435 | .stream_name = "UDA1380 Capture", | |
436 | .cpu_dai = &pxa_i2s_dai, | |
437 | .codec_dai = &uda1380_dai[UDA1380_DAI_CAPTURE], | |
438 | .ops = &magician_capture_ops, | |
439 | } | |
440 | }; | |
441 | ||
442 | /* magician audio machine driver */ | |
443 | static struct snd_soc_card snd_soc_card_magician = { | |
444 | .name = "Magician", | |
445 | .dai_link = magician_dai, | |
446 | .num_links = ARRAY_SIZE(magician_dai), | |
447 | .platform = &pxa2xx_soc_platform, | |
448 | }; | |
449 | ||
450 | /* magician audio private data */ | |
451 | static struct uda1380_setup_data magician_uda1380_setup = { | |
452 | .i2c_address = 0x18, | |
453 | .dac_clk = UDA1380_DAC_CLK_WSPLL, | |
454 | }; | |
455 | ||
456 | /* magician audio subsystem */ | |
457 | static struct snd_soc_device magician_snd_devdata = { | |
458 | .card = &snd_soc_card_magician, | |
459 | .codec_dev = &soc_codec_dev_uda1380, | |
460 | .codec_data = &magician_uda1380_setup, | |
461 | }; | |
462 | ||
463 | static struct platform_device *magician_snd_device; | |
464 | ||
465 | static int __init magician_init(void) | |
466 | { | |
467 | int ret; | |
468 | ||
469 | if (!machine_is_magician()) | |
470 | return -ENODEV; | |
471 | ||
472 | ret = gpio_request(EGPIO_MAGICIAN_CODEC_POWER, "CODEC_POWER"); | |
473 | if (ret) | |
474 | goto err_request_power; | |
475 | ret = gpio_request(EGPIO_MAGICIAN_CODEC_RESET, "CODEC_RESET"); | |
476 | if (ret) | |
477 | goto err_request_reset; | |
478 | ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER"); | |
479 | if (ret) | |
480 | goto err_request_spk; | |
481 | ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER"); | |
482 | if (ret) | |
483 | goto err_request_ep; | |
484 | ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER"); | |
485 | if (ret) | |
486 | goto err_request_mic; | |
487 | ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0"); | |
488 | if (ret) | |
489 | goto err_request_in_sel0; | |
490 | ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1"); | |
491 | if (ret) | |
492 | goto err_request_in_sel1; | |
493 | ||
494 | gpio_set_value(EGPIO_MAGICIAN_CODEC_POWER, 1); | |
495 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0); | |
496 | ||
497 | /* we may need to have the clock running here - pH5 */ | |
498 | gpio_set_value(EGPIO_MAGICIAN_CODEC_RESET, 1); | |
499 | udelay(5); | |
500 | gpio_set_value(EGPIO_MAGICIAN_CODEC_RESET, 0); | |
501 | ||
502 | magician_snd_device = platform_device_alloc("soc-audio", -1); | |
503 | if (!magician_snd_device) { | |
504 | ret = -ENOMEM; | |
505 | goto err_pdev; | |
506 | } | |
507 | ||
508 | platform_set_drvdata(magician_snd_device, &magician_snd_devdata); | |
509 | magician_snd_devdata.dev = &magician_snd_device->dev; | |
510 | ret = platform_device_add(magician_snd_device); | |
511 | if (ret) { | |
512 | platform_device_put(magician_snd_device); | |
513 | goto err_pdev; | |
514 | } | |
515 | ||
516 | return 0; | |
517 | ||
518 | err_pdev: | |
519 | gpio_free(EGPIO_MAGICIAN_IN_SEL1); | |
520 | err_request_in_sel1: | |
521 | gpio_free(EGPIO_MAGICIAN_IN_SEL0); | |
522 | err_request_in_sel0: | |
523 | gpio_free(EGPIO_MAGICIAN_MIC_POWER); | |
524 | err_request_mic: | |
525 | gpio_free(EGPIO_MAGICIAN_EP_POWER); | |
526 | err_request_ep: | |
527 | gpio_free(EGPIO_MAGICIAN_SPK_POWER); | |
528 | err_request_spk: | |
529 | gpio_free(EGPIO_MAGICIAN_CODEC_RESET); | |
530 | err_request_reset: | |
531 | gpio_free(EGPIO_MAGICIAN_CODEC_POWER); | |
532 | err_request_power: | |
533 | return ret; | |
534 | } | |
535 | ||
536 | static void __exit magician_exit(void) | |
537 | { | |
538 | platform_device_unregister(magician_snd_device); | |
539 | ||
540 | gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0); | |
541 | gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0); | |
542 | gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0); | |
543 | gpio_set_value(EGPIO_MAGICIAN_CODEC_POWER, 0); | |
544 | ||
545 | gpio_free(EGPIO_MAGICIAN_IN_SEL1); | |
546 | gpio_free(EGPIO_MAGICIAN_IN_SEL0); | |
547 | gpio_free(EGPIO_MAGICIAN_MIC_POWER); | |
548 | gpio_free(EGPIO_MAGICIAN_EP_POWER); | |
549 | gpio_free(EGPIO_MAGICIAN_SPK_POWER); | |
550 | gpio_free(EGPIO_MAGICIAN_CODEC_RESET); | |
551 | gpio_free(EGPIO_MAGICIAN_CODEC_POWER); | |
552 | } | |
553 | ||
554 | module_init(magician_init); | |
555 | module_exit(magician_exit); | |
556 | ||
557 | MODULE_AUTHOR("Philipp Zabel"); | |
558 | MODULE_DESCRIPTION("ALSA SoC Magician"); | |
559 | MODULE_LICENSE("GPL"); |