1 // SPDX-License-Identifier: GPL-2.0-only
3 * Intel Skylake I2S Machine Driver with MAXIM98357A
6 * Copyright (C) 2015, Intel Corporation. All rights reserved.
9 #include <linux/module.h>
10 #include <linux/platform_device.h>
11 #include <sound/core.h>
12 #include <sound/jack.h>
13 #include <sound/pcm.h>
14 #include <sound/pcm_params.h>
15 #include <sound/soc.h>
16 #include <sound/soc-acpi.h>
17 #include "../../codecs/nau8825.h"
18 #include "../../codecs/hdac_hdmi.h"
20 #define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
21 #define SKL_MAXIM_CODEC_DAI "HiFi"
22 #define DMIC_CH(p) p->list[p->count-1]
24 static struct snd_soc_jack skylake_headset
;
25 static struct snd_soc_card skylake_audio_card
;
26 static const struct snd_pcm_hw_constraint_list
*dmic_constraints
;
27 static struct snd_soc_jack skylake_hdmi
[3];
30 struct list_head head
;
31 struct snd_soc_dai
*codec_dai
;
35 struct skl_nau8825_private
{
36 struct list_head hdmi_pcm_list
;
40 SKL_DPCM_AUDIO_PB
= 0,
42 SKL_DPCM_AUDIO_REF_CP
,
43 SKL_DPCM_AUDIO_DMIC_CP
,
44 SKL_DPCM_AUDIO_HDMI1_PB
,
45 SKL_DPCM_AUDIO_HDMI2_PB
,
46 SKL_DPCM_AUDIO_HDMI3_PB
,
49 static int platform_clock_control(struct snd_soc_dapm_widget
*w
,
50 struct snd_kcontrol
*k
, int event
)
52 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
53 struct snd_soc_card
*card
= dapm
->card
;
54 struct snd_soc_dai
*codec_dai
;
57 codec_dai
= snd_soc_card_get_codec_dai(card
, SKL_NUVOTON_CODEC_DAI
);
59 dev_err(card
->dev
, "Codec dai not found; Unable to set platform clock\n");
63 if (SND_SOC_DAPM_EVENT_ON(event
)) {
64 ret
= snd_soc_dai_set_sysclk(codec_dai
,
65 NAU8825_CLK_MCLK
, 24000000, SND_SOC_CLOCK_IN
);
67 dev_err(card
->dev
, "set sysclk err = %d\n", ret
);
71 ret
= snd_soc_dai_set_sysclk(codec_dai
,
72 NAU8825_CLK_INTERNAL
, 0, SND_SOC_CLOCK_IN
);
74 dev_err(card
->dev
, "set sysclk err = %d\n", ret
);
82 static const struct snd_kcontrol_new skylake_controls
[] = {
83 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
84 SOC_DAPM_PIN_SWITCH("Headset Mic"),
85 SOC_DAPM_PIN_SWITCH("Spk"),
88 static const struct snd_soc_dapm_widget skylake_widgets
[] = {
89 SND_SOC_DAPM_HP("Headphone Jack", NULL
),
90 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
91 SND_SOC_DAPM_SPK("Spk", NULL
),
92 SND_SOC_DAPM_MIC("SoC DMIC", NULL
),
93 SND_SOC_DAPM_SPK("DP1", NULL
),
94 SND_SOC_DAPM_SPK("DP2", NULL
),
95 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM
, 0, 0,
96 platform_clock_control
, SND_SOC_DAPM_PRE_PMU
|
97 SND_SOC_DAPM_POST_PMD
),
100 static const struct snd_soc_dapm_route skylake_map
[] = {
101 /* HP jack connectors - unknown if we have jack detection */
102 { "Headphone Jack", NULL
, "HPOL" },
103 { "Headphone Jack", NULL
, "HPOR" },
106 { "Spk", NULL
, "Speaker" },
109 { "MIC", NULL
, "Headset Mic" },
110 { "DMic", NULL
, "SoC DMIC" },
112 /* CODEC BE connections */
113 { "HiFi Playback", NULL
, "ssp0 Tx" },
114 { "ssp0 Tx", NULL
, "codec0_out" },
116 { "Playback", NULL
, "ssp1 Tx" },
117 { "ssp1 Tx", NULL
, "codec1_out" },
119 { "codec0_in", NULL
, "ssp1 Rx" },
120 { "ssp1 Rx", NULL
, "Capture" },
123 { "dmic01_hifi", NULL
, "DMIC01 Rx" },
124 { "DMIC01 Rx", NULL
, "DMIC AIF" },
126 { "hifi3", NULL
, "iDisp3 Tx"},
127 { "iDisp3 Tx", NULL
, "iDisp3_out"},
128 { "hifi2", NULL
, "iDisp2 Tx"},
129 { "iDisp2 Tx", NULL
, "iDisp2_out"},
130 { "hifi1", NULL
, "iDisp1 Tx"},
131 { "iDisp1 Tx", NULL
, "iDisp1_out"},
133 { "Headphone Jack", NULL
, "Platform Clock" },
134 { "Headset Mic", NULL
, "Platform Clock" },
137 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime
*rtd
,
138 struct snd_pcm_hw_params
*params
)
140 struct snd_interval
*rate
= hw_param_interval(params
,
141 SNDRV_PCM_HW_PARAM_RATE
);
142 struct snd_interval
*chan
= hw_param_interval(params
,
143 SNDRV_PCM_HW_PARAM_CHANNELS
);
144 struct snd_mask
*fmt
= hw_param_mask(params
, SNDRV_PCM_HW_PARAM_FORMAT
);
146 /* The ADSP will covert the FE rate to 48k, stereo */
147 rate
->min
= rate
->max
= 48000;
148 chan
->min
= chan
->max
= 2;
150 /* set SSP0 to 24 bit */
152 snd_mask_set_format(fmt
, SNDRV_PCM_FORMAT_S24_LE
);
157 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime
*rtd
)
160 struct snd_soc_component
*component
= asoc_rtd_to_codec(rtd
, 0)->component
;
163 * Headset buttons map to the google Reference headset.
164 * These can be configured by userspace.
166 ret
= snd_soc_card_jack_new(&skylake_audio_card
, "Headset Jack",
167 SND_JACK_HEADSET
| SND_JACK_BTN_0
| SND_JACK_BTN_1
|
168 SND_JACK_BTN_2
| SND_JACK_BTN_3
, &skylake_headset
,
171 dev_err(rtd
->dev
, "Headset Jack creation failed %d\n", ret
);
175 nau8825_enable_jack_detect(component
, &skylake_headset
);
177 snd_soc_dapm_ignore_suspend(&rtd
->card
->dapm
, "SoC DMIC");
182 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime
*rtd
)
184 struct skl_nau8825_private
*ctx
= snd_soc_card_get_drvdata(rtd
->card
);
185 struct snd_soc_dai
*dai
= asoc_rtd_to_codec(rtd
, 0);
186 struct skl_hdmi_pcm
*pcm
;
188 pcm
= devm_kzalloc(rtd
->card
->dev
, sizeof(*pcm
), GFP_KERNEL
);
192 pcm
->device
= SKL_DPCM_AUDIO_HDMI1_PB
;
193 pcm
->codec_dai
= dai
;
195 list_add_tail(&pcm
->head
, &ctx
->hdmi_pcm_list
);
200 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime
*rtd
)
202 struct skl_nau8825_private
*ctx
= snd_soc_card_get_drvdata(rtd
->card
);
203 struct snd_soc_dai
*dai
= asoc_rtd_to_codec(rtd
, 0);
204 struct skl_hdmi_pcm
*pcm
;
206 pcm
= devm_kzalloc(rtd
->card
->dev
, sizeof(*pcm
), GFP_KERNEL
);
210 pcm
->device
= SKL_DPCM_AUDIO_HDMI2_PB
;
211 pcm
->codec_dai
= dai
;
213 list_add_tail(&pcm
->head
, &ctx
->hdmi_pcm_list
);
218 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime
*rtd
)
220 struct skl_nau8825_private
*ctx
= snd_soc_card_get_drvdata(rtd
->card
);
221 struct snd_soc_dai
*dai
= asoc_rtd_to_codec(rtd
, 0);
222 struct skl_hdmi_pcm
*pcm
;
224 pcm
= devm_kzalloc(rtd
->card
->dev
, sizeof(*pcm
), GFP_KERNEL
);
228 pcm
->device
= SKL_DPCM_AUDIO_HDMI3_PB
;
229 pcm
->codec_dai
= dai
;
231 list_add_tail(&pcm
->head
, &ctx
->hdmi_pcm_list
);
236 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime
*rtd
)
238 struct snd_soc_dapm_context
*dapm
;
239 struct snd_soc_component
*component
= asoc_rtd_to_cpu(rtd
, 0)->component
;
241 dapm
= snd_soc_component_get_dapm(component
);
242 snd_soc_dapm_ignore_suspend(dapm
, "Reference Capture");
247 static const unsigned int rates
[] = {
251 static const struct snd_pcm_hw_constraint_list constraints_rates
= {
252 .count
= ARRAY_SIZE(rates
),
257 static const unsigned int channels
[] = {
261 static const struct snd_pcm_hw_constraint_list constraints_channels
= {
262 .count
= ARRAY_SIZE(channels
),
267 static int skl_fe_startup(struct snd_pcm_substream
*substream
)
269 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
272 * On this platform for PCM device we support,
278 runtime
->hw
.channels_max
= 2;
279 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_CHANNELS
,
280 &constraints_channels
);
282 runtime
->hw
.formats
= SNDRV_PCM_FMTBIT_S16_LE
;
283 snd_pcm_hw_constraint_msbits(runtime
, 0, 16, 16);
285 snd_pcm_hw_constraint_list(runtime
, 0,
286 SNDRV_PCM_HW_PARAM_RATE
, &constraints_rates
);
291 static const struct snd_soc_ops skylake_nau8825_fe_ops
= {
292 .startup
= skl_fe_startup
,
295 static int skylake_nau8825_hw_params(struct snd_pcm_substream
*substream
,
296 struct snd_pcm_hw_params
*params
)
298 struct snd_soc_pcm_runtime
*rtd
= asoc_substream_to_rtd(substream
);
299 struct snd_soc_dai
*codec_dai
= asoc_rtd_to_codec(rtd
, 0);
302 ret
= snd_soc_dai_set_sysclk(codec_dai
,
303 NAU8825_CLK_MCLK
, 24000000, SND_SOC_CLOCK_IN
);
306 dev_err(rtd
->dev
, "snd_soc_dai_set_sysclk err = %d\n", ret
);
311 static const struct snd_soc_ops skylake_nau8825_ops
= {
312 .hw_params
= skylake_nau8825_hw_params
,
315 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime
*rtd
,
316 struct snd_pcm_hw_params
*params
)
318 struct snd_interval
*chan
= hw_param_interval(params
,
319 SNDRV_PCM_HW_PARAM_CHANNELS
);
321 if (params_channels(params
) == 2 || DMIC_CH(dmic_constraints
) == 2)
322 chan
->min
= chan
->max
= 2;
324 chan
->min
= chan
->max
= 4;
329 static const unsigned int channels_dmic
[] = {
333 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels
= {
334 .count
= ARRAY_SIZE(channels_dmic
),
335 .list
= channels_dmic
,
339 static const unsigned int dmic_2ch
[] = {
343 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch
= {
344 .count
= ARRAY_SIZE(dmic_2ch
),
349 static int skylake_dmic_startup(struct snd_pcm_substream
*substream
)
351 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
353 runtime
->hw
.channels_max
= DMIC_CH(dmic_constraints
);
354 snd_pcm_hw_constraint_list(runtime
, 0, SNDRV_PCM_HW_PARAM_CHANNELS
,
357 return snd_pcm_hw_constraint_list(substream
->runtime
, 0,
358 SNDRV_PCM_HW_PARAM_RATE
, &constraints_rates
);
361 static const struct snd_soc_ops skylake_dmic_ops
= {
362 .startup
= skylake_dmic_startup
,
365 static const unsigned int rates_16000
[] = {
369 static const struct snd_pcm_hw_constraint_list constraints_16000
= {
370 .count
= ARRAY_SIZE(rates_16000
),
374 static const unsigned int ch_mono
[] = {
378 static const struct snd_pcm_hw_constraint_list constraints_refcap
= {
379 .count
= ARRAY_SIZE(ch_mono
),
383 static int skylake_refcap_startup(struct snd_pcm_substream
*substream
)
385 substream
->runtime
->hw
.channels_max
= 1;
386 snd_pcm_hw_constraint_list(substream
->runtime
, 0,
387 SNDRV_PCM_HW_PARAM_CHANNELS
,
388 &constraints_refcap
);
390 return snd_pcm_hw_constraint_list(substream
->runtime
, 0,
391 SNDRV_PCM_HW_PARAM_RATE
,
395 static const struct snd_soc_ops skylake_refcap_ops
= {
396 .startup
= skylake_refcap_startup
,
399 SND_SOC_DAILINK_DEF(dummy
,
400 DAILINK_COMP_ARRAY(COMP_DUMMY()));
402 SND_SOC_DAILINK_DEF(system
,
403 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
405 SND_SOC_DAILINK_DEF(reference
,
406 DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
408 SND_SOC_DAILINK_DEF(dmic
,
409 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
411 SND_SOC_DAILINK_DEF(hdmi1
,
412 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
414 SND_SOC_DAILINK_DEF(hdmi2
,
415 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
417 SND_SOC_DAILINK_DEF(hdmi3
,
418 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
420 SND_SOC_DAILINK_DEF(ssp0_pin
,
421 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
422 SND_SOC_DAILINK_DEF(ssp0_codec
,
423 DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", SKL_MAXIM_CODEC_DAI
)));
425 SND_SOC_DAILINK_DEF(ssp1_pin
,
426 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
427 SND_SOC_DAILINK_DEF(ssp1_codec
,
428 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00",
429 SKL_NUVOTON_CODEC_DAI
)));
431 SND_SOC_DAILINK_DEF(dmic_pin
,
432 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
433 SND_SOC_DAILINK_DEF(dmic_codec
,
434 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
436 SND_SOC_DAILINK_DEF(idisp1_pin
,
437 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
438 SND_SOC_DAILINK_DEF(idisp1_codec
,
439 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
441 SND_SOC_DAILINK_DEF(idisp2_pin
,
442 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
443 SND_SOC_DAILINK_DEF(idisp2_codec
,
444 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
446 SND_SOC_DAILINK_DEF(idisp3_pin
,
447 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
448 SND_SOC_DAILINK_DEF(idisp3_codec
,
449 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
451 SND_SOC_DAILINK_DEF(platform
,
452 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
454 /* skylake digital audio interface glue - connects codec <--> CPU */
455 static struct snd_soc_dai_link skylake_dais
[] = {
456 /* Front End DAI links */
457 [SKL_DPCM_AUDIO_PB
] = {
458 .name
= "Skl Audio Port",
459 .stream_name
= "Audio",
462 .init
= skylake_nau8825_fe_init
,
464 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
466 .ops
= &skylake_nau8825_fe_ops
,
467 SND_SOC_DAILINK_REG(system
, dummy
, platform
),
469 [SKL_DPCM_AUDIO_CP
] = {
470 .name
= "Skl Audio Capture Port",
471 .stream_name
= "Audio Record",
475 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
477 .ops
= &skylake_nau8825_fe_ops
,
478 SND_SOC_DAILINK_REG(system
, dummy
, platform
),
480 [SKL_DPCM_AUDIO_REF_CP
] = {
481 .name
= "Skl Audio Reference cap",
482 .stream_name
= "Wake on Voice",
487 .ops
= &skylake_refcap_ops
,
488 SND_SOC_DAILINK_REG(reference
, dummy
, platform
),
490 [SKL_DPCM_AUDIO_DMIC_CP
] = {
491 .name
= "Skl Audio DMIC cap",
492 .stream_name
= "dmiccap",
497 .ops
= &skylake_dmic_ops
,
498 SND_SOC_DAILINK_REG(dmic
, dummy
, platform
),
500 [SKL_DPCM_AUDIO_HDMI1_PB
] = {
501 .name
= "Skl HDMI Port1",
502 .stream_name
= "Hdmi1",
506 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
509 SND_SOC_DAILINK_REG(hdmi1
, dummy
, platform
),
511 [SKL_DPCM_AUDIO_HDMI2_PB
] = {
512 .name
= "Skl HDMI Port2",
513 .stream_name
= "Hdmi2",
517 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
520 SND_SOC_DAILINK_REG(hdmi2
, dummy
, platform
),
522 [SKL_DPCM_AUDIO_HDMI3_PB
] = {
523 .name
= "Skl HDMI Port3",
524 .stream_name
= "Hdmi3",
526 SND_SOC_DPCM_TRIGGER_POST
, SND_SOC_DPCM_TRIGGER_POST
},
531 SND_SOC_DAILINK_REG(hdmi3
, dummy
, platform
),
534 /* Back End DAI links */
537 .name
= "SSP0-Codec",
540 .dai_fmt
= SND_SOC_DAIFMT_I2S
|
541 SND_SOC_DAIFMT_NB_NF
|
542 SND_SOC_DAIFMT_CBS_CFS
,
543 .ignore_pmdown_time
= 1,
544 .be_hw_params_fixup
= skylake_ssp_fixup
,
546 SND_SOC_DAILINK_REG(ssp0_pin
, ssp0_codec
, platform
),
550 .name
= "SSP1-Codec",
553 .init
= skylake_nau8825_codec_init
,
554 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
|
555 SND_SOC_DAIFMT_CBS_CFS
,
556 .ignore_pmdown_time
= 1,
557 .be_hw_params_fixup
= skylake_ssp_fixup
,
558 .ops
= &skylake_nau8825_ops
,
561 SND_SOC_DAILINK_REG(ssp1_pin
, ssp1_codec
, platform
),
566 .be_hw_params_fixup
= skylake_dmic_fixup
,
570 SND_SOC_DAILINK_REG(dmic_pin
, dmic_codec
, platform
),
576 .init
= skylake_hdmi1_init
,
578 SND_SOC_DAILINK_REG(idisp1_pin
, idisp1_codec
, platform
),
583 .init
= skylake_hdmi2_init
,
586 SND_SOC_DAILINK_REG(idisp2_pin
, idisp2_codec
, platform
),
591 .init
= skylake_hdmi3_init
,
594 SND_SOC_DAILINK_REG(idisp3_pin
, idisp3_codec
, platform
),
599 static int skylake_card_late_probe(struct snd_soc_card
*card
)
601 struct skl_nau8825_private
*ctx
= snd_soc_card_get_drvdata(card
);
602 struct skl_hdmi_pcm
*pcm
;
603 struct snd_soc_component
*component
= NULL
;
605 char jack_name
[NAME_SIZE
];
607 list_for_each_entry(pcm
, &ctx
->hdmi_pcm_list
, head
) {
608 component
= pcm
->codec_dai
->component
;
609 snprintf(jack_name
, sizeof(jack_name
),
610 "HDMI/DP, pcm=%d Jack", pcm
->device
);
611 err
= snd_soc_card_jack_new(card
, jack_name
,
619 err
= hdac_hdmi_jack_init(pcm
->codec_dai
, pcm
->device
,
630 return hdac_hdmi_jack_port_init(component
, &card
->dapm
);
633 /* skylake audio machine driver for SPT + NAU88L25 */
634 static struct snd_soc_card skylake_audio_card
= {
635 .name
= "sklnau8825max",
636 .owner
= THIS_MODULE
,
637 .dai_link
= skylake_dais
,
638 .num_links
= ARRAY_SIZE(skylake_dais
),
639 .controls
= skylake_controls
,
640 .num_controls
= ARRAY_SIZE(skylake_controls
),
641 .dapm_widgets
= skylake_widgets
,
642 .num_dapm_widgets
= ARRAY_SIZE(skylake_widgets
),
643 .dapm_routes
= skylake_map
,
644 .num_dapm_routes
= ARRAY_SIZE(skylake_map
),
645 .fully_routed
= true,
646 .late_probe
= skylake_card_late_probe
,
649 static int skylake_audio_probe(struct platform_device
*pdev
)
651 struct skl_nau8825_private
*ctx
;
652 struct snd_soc_acpi_mach
*mach
;
654 ctx
= devm_kzalloc(&pdev
->dev
, sizeof(*ctx
), GFP_KERNEL
);
658 INIT_LIST_HEAD(&ctx
->hdmi_pcm_list
);
660 skylake_audio_card
.dev
= &pdev
->dev
;
661 snd_soc_card_set_drvdata(&skylake_audio_card
, ctx
);
663 mach
= pdev
->dev
.platform_data
;
665 dmic_constraints
= mach
->mach_params
.dmic_num
== 2 ?
666 &constraints_dmic_2ch
: &constraints_dmic_channels
;
668 return devm_snd_soc_register_card(&pdev
->dev
, &skylake_audio_card
);
671 static const struct platform_device_id skl_board_ids
[] = {
672 { .name
= "skl_n88l25_m98357a" },
673 { .name
= "kbl_n88l25_m98357a" },
677 static struct platform_driver skylake_audio
= {
678 .probe
= skylake_audio_probe
,
680 .name
= "skl_n88l25_m98357a",
681 .pm
= &snd_soc_pm_ops
,
683 .id_table
= skl_board_ids
,
686 module_platform_driver(skylake_audio
)
688 /* Module information */
689 MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
690 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
691 MODULE_LICENSE("GPL v2");
692 MODULE_ALIAS("platform:skl_n88l25_m98357a");
693 MODULE_ALIAS("platform:kbl_n88l25_m98357a");