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1// SPDX-License-Identifier: GPL-2.0-only2// This file incorporates work covered by the following copyright notice:3// Copyright (c) 2023 Intel Corporation4// Copyright (c) 2024 Advanced Micro Devices, Inc.5/*6 * soc_sdw_cs42l42 - Helpers to handle CS42L42 from generic machine driver7 */8 9#include <linux/device.h>10#include <linux/errno.h>11#include <linux/input.h>12#include <linux/soundwire/sdw.h>13#include <linux/soundwire/sdw_type.h>14#include <sound/control.h>15#include <sound/soc.h>16#include <sound/soc-acpi.h>17#include <sound/soc-dapm.h>18#include <sound/jack.h>19#include <sound/soc_sdw_utils.h>20 21static const struct snd_soc_dapm_route cs42l42_map[] = {22 /* HP jack connectors - unknown if we have jack detection */23 {"Headphone", NULL, "cs42l42 HP"},24 25 /* other jacks */26 {"cs42l42 HS", NULL, "Headset Mic"},27};28 29static struct snd_soc_jack_pin cs42l42_jack_pins[] = {30 {31 .pin = "Headphone",32 .mask = SND_JACK_HEADPHONE,33 },34 {35 .pin = "Headset Mic",36 .mask = SND_JACK_MICROPHONE,37 },38};39 40int asoc_sdw_cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)41{42 struct snd_soc_card *card = rtd->card;43 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);44 struct snd_soc_component *component;45 struct snd_soc_jack *jack;46 int ret;47 48 component = dai->component;49 card->components = devm_kasprintf(card->dev, GFP_KERNEL,50 "%s hs:cs42l42",51 card->components);52 if (!card->components)53 return -ENOMEM;54 55 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l42_map,56 ARRAY_SIZE(cs42l42_map));57 58 if (ret) {59 dev_err(card->dev, "cs42l42 map addition failed: %d\n", ret);60 return ret;61 }62 63 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",64 SND_JACK_HEADSET | SND_JACK_BTN_0 |65 SND_JACK_BTN_1 | SND_JACK_BTN_2 |66 SND_JACK_BTN_3,67 &ctx->sdw_headset,68 cs42l42_jack_pins,69 ARRAY_SIZE(cs42l42_jack_pins));70 if (ret) {71 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",72 ret);73 return ret;74 }75 76 jack = &ctx->sdw_headset;77 78 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);79 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);80 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);81 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);82 83 ret = snd_soc_component_set_jack(component, jack, NULL);84 85 if (ret)86 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",87 ret);88 89 return ret;90}91EXPORT_SYMBOL_NS(asoc_sdw_cs42l42_rtd_init, SND_SOC_SDW_UTILS);92