// SPDX-License-Identifier: GPL-2.0-only // // rt712-sdca.c -- rt712 SDCA ALSA SoC audio driver // // Copyright(c) 2023 Realtek Semiconductor Corp. // // #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "rt712-sdca.h" static int rt712_sdca_index_write(struct rt712_sdca_priv *rt712, unsigned int nid, unsigned int reg, unsigned int value) { int ret; struct regmap *regmap = rt712->mbq_regmap; unsigned int addr = (nid << 20) | reg; ret = regmap_write(regmap, addr, value); if (ret < 0) dev_err(&rt712->slave->dev, "%s: Failed to set private value: %06x <= %04x ret=%d\n", __func__, addr, value, ret); return ret; } static int rt712_sdca_index_read(struct rt712_sdca_priv *rt712, unsigned int nid, unsigned int reg, unsigned int *value) { int ret; struct regmap *regmap = rt712->mbq_regmap; unsigned int addr = (nid << 20) | reg; ret = regmap_read(regmap, addr, value); if (ret < 0) dev_err(&rt712->slave->dev, "%s: Failed to get private value: %06x => %04x ret=%d\n", __func__, addr, *value, ret); return ret; } static int rt712_sdca_index_update_bits(struct rt712_sdca_priv *rt712, unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val) { unsigned int tmp; int ret; ret = rt712_sdca_index_read(rt712, nid, reg, &tmp); if (ret < 0) return ret; set_mask_bits(&tmp, mask, val); return rt712_sdca_index_write(rt712, nid, reg, tmp); } static int rt712_sdca_calibration(struct rt712_sdca_priv *rt712) { unsigned int val, loop_rc = 0, loop_dc = 0; struct device *dev; struct regmap *regmap = rt712->regmap; int chk_cnt = 100; int ret = 0; mutex_lock(&rt712->calibrate_mutex); dev = regmap_get_device(regmap); /* Set HP-JD source from JD1 */ rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_CC_DET1, 0x043a); /* FSM switch to calibration manual mode */ rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_FSM_CTL, 0x4100); /* Calibration setting */ rt712_sdca_index_write(rt712, RT712_VENDOR_CALI, RT712_DAC_DC_CALI_CTL1, 0x7883); /* W1C Trigger DC calibration (HP & Class-D) */ rt712_sdca_index_write(rt712, RT712_VENDOR_CALI, RT712_DAC_DC_CALI_CTL1, 0xf893); /* wait for calibration process */ rt712_sdca_index_read(rt712, RT712_VENDOR_CALI, RT712_DAC_DC_CALI_CTL1, &val); for (loop_dc = 0; loop_dc < chk_cnt && (val & RT712_DAC_DC_CALI_TRIGGER); loop_dc++) { usleep_range(10000, 11000); ret = rt712_sdca_index_read(rt712, RT712_VENDOR_CALI, RT712_DAC_DC_CALI_CTL1, &val); if (ret < 0) goto _cali_fail_; } if (loop_dc == chk_cnt) dev_err(dev, "%s, calibration time-out!\n", __func__); if (loop_dc == chk_cnt || loop_rc == chk_cnt) ret = -ETIMEDOUT; _cali_fail_: /* Enable Rldet in FSM */ rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_FSM_CTL, 0x4500); /* Sensing Lch+Rch */ rt712_sdca_index_write(rt712, RT712_VENDOR_IMS_DRE, RT712_IMS_DIGITAL_CTL1, 0x040f); /* Sine gen path control */ rt712_sdca_index_write(rt712, RT712_VENDOR_IMS_DRE, RT712_IMS_DIGITAL_CTL5, 0x0000); /* Release HP-JD, EN_CBJ_TIE_GL/R open, en_osw gating auto done bit */ rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_DIGITAL_MISC_CTRL4, 0x0010); mutex_unlock(&rt712->calibrate_mutex); dev_dbg(dev, "%s calibration complete, ret=%d\n", __func__, ret); return ret; } static unsigned int rt712_sdca_button_detect(struct rt712_sdca_priv *rt712) { unsigned int btn_type = 0, offset, idx, val, owner; int ret; unsigned char buf[3]; /* get current UMP message owner */ ret = regmap_read(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_CURRENT_OWNER, 0), &owner); if (ret < 0) return 0; /* if owner is device then there is no button event from device */ if (owner == 1) return 0; /* read UMP message offset */ ret = regmap_read(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_MESSAGE_OFFSET, 0), &offset); if (ret < 0) goto _end_btn_det_; for (idx = 0; idx < sizeof(buf); idx++) { ret = regmap_read(rt712->regmap, RT712_BUF_ADDR_HID1 + offset + idx, &val); if (ret < 0) goto _end_btn_det_; buf[idx] = val & 0xff; } if (buf[0] == 0x11) { switch (buf[1] & 0xf0) { case 0x10: btn_type |= SND_JACK_BTN_2; break; case 0x20: btn_type |= SND_JACK_BTN_3; break; case 0x40: btn_type |= SND_JACK_BTN_0; break; case 0x80: btn_type |= SND_JACK_BTN_1; break; } switch (buf[2]) { case 0x01: case 0x10: btn_type |= SND_JACK_BTN_2; break; case 0x02: case 0x20: btn_type |= SND_JACK_BTN_3; break; case 0x04: case 0x40: btn_type |= SND_JACK_BTN_0; break; case 0x08: case 0x80: btn_type |= SND_JACK_BTN_1; break; } } _end_btn_det_: /* Host is owner, so set back to device */ if (owner == 0) /* set owner to device */ regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_SET_OWNER_TO_DEVICE, 0), 0x01); return btn_type; } static int rt712_sdca_headset_detect(struct rt712_sdca_priv *rt712) { unsigned int det_mode; int ret; /* get detected_mode */ ret = regmap_read(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_DETECTED_MODE, 0), &det_mode); if (ret < 0) goto io_error; switch (det_mode) { case 0x00: rt712->jack_type = 0; break; case 0x03: rt712->jack_type = SND_JACK_HEADPHONE; break; case 0x05: rt712->jack_type = SND_JACK_HEADSET; break; } /* write selected_mode */ if (det_mode) { ret = regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_SELECTED_MODE, 0), det_mode); if (ret < 0) goto io_error; } dev_dbg(&rt712->slave->dev, "%s, detected_mode=0x%x\n", __func__, det_mode); return 0; io_error: pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); return ret; } static void rt712_sdca_jack_detect_handler(struct work_struct *work) { struct rt712_sdca_priv *rt712 = container_of(work, struct rt712_sdca_priv, jack_detect_work.work); int btn_type = 0, ret; if (!rt712->hs_jack) return; if (!rt712->component->card || !rt712->component->card->instantiated) return; /* SDW_SCP_SDCA_INT_SDCA_0 is used for jack detection */ if (rt712->scp_sdca_stat1 & SDW_SCP_SDCA_INT_SDCA_0) { ret = rt712_sdca_headset_detect(rt712); if (ret < 0) return; } /* SDW_SCP_SDCA_INT_SDCA_8 is used for button detection */ if (rt712->scp_sdca_stat2 & SDW_SCP_SDCA_INT_SDCA_8) btn_type = rt712_sdca_button_detect(rt712); if (rt712->jack_type == 0) btn_type = 0; dev_dbg(&rt712->slave->dev, "in %s, jack_type=0x%x\n", __func__, rt712->jack_type); dev_dbg(&rt712->slave->dev, "in %s, btn_type=0x%x\n", __func__, btn_type); dev_dbg(&rt712->slave->dev, "in %s, scp_sdca_stat1=0x%x, scp_sdca_stat2=0x%x\n", __func__, rt712->scp_sdca_stat1, rt712->scp_sdca_stat2); snd_soc_jack_report(rt712->hs_jack, rt712->jack_type | btn_type, SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3); if (btn_type) { /* button released */ snd_soc_jack_report(rt712->hs_jack, rt712->jack_type, SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3); mod_delayed_work(system_power_efficient_wq, &rt712->jack_btn_check_work, msecs_to_jiffies(200)); } } static void rt712_sdca_btn_check_handler(struct work_struct *work) { struct rt712_sdca_priv *rt712 = container_of(work, struct rt712_sdca_priv, jack_btn_check_work.work); int btn_type = 0, ret, idx; unsigned int det_mode, offset, val; unsigned char buf[3]; ret = regmap_read(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_DETECTED_MODE, 0), &det_mode); if (ret < 0) goto io_error; /* pin attached */ if (det_mode) { /* read UMP message offset */ ret = regmap_read(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_MESSAGE_OFFSET, 0), &offset); if (ret < 0) goto io_error; for (idx = 0; idx < sizeof(buf); idx++) { ret = regmap_read(rt712->regmap, RT712_BUF_ADDR_HID1 + offset + idx, &val); if (ret < 0) goto io_error; buf[idx] = val & 0xff; } if (buf[0] == 0x11) { switch (buf[1] & 0xf0) { case 0x10: btn_type |= SND_JACK_BTN_2; break; case 0x20: btn_type |= SND_JACK_BTN_3; break; case 0x40: btn_type |= SND_JACK_BTN_0; break; case 0x80: btn_type |= SND_JACK_BTN_1; break; } switch (buf[2]) { case 0x01: case 0x10: btn_type |= SND_JACK_BTN_2; break; case 0x02: case 0x20: btn_type |= SND_JACK_BTN_3; break; case 0x04: case 0x40: btn_type |= SND_JACK_BTN_0; break; case 0x08: case 0x80: btn_type |= SND_JACK_BTN_1; break; } } } else { rt712->jack_type = 0; } dev_dbg(&rt712->slave->dev, "%s, btn_type=0x%x\n", __func__, btn_type); snd_soc_jack_report(rt712->hs_jack, rt712->jack_type | btn_type, SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3); if (btn_type) { /* button released */ snd_soc_jack_report(rt712->hs_jack, rt712->jack_type, SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3); mod_delayed_work(system_power_efficient_wq, &rt712->jack_btn_check_work, msecs_to_jiffies(200)); } return; io_error: pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret); } static void rt712_sdca_jack_init(struct rt712_sdca_priv *rt712) { mutex_lock(&rt712->calibrate_mutex); if (rt712->hs_jack) { /* Enable HID1 event & set button RTC mode */ rt712_sdca_index_write(rt712, RT712_VENDOR_HDA_CTL, RT712_UMP_HID_CTL5, 0xfff0); rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_UMP_HID_CTL0, 0x1100, 0x1100); rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_UMP_HID_CTL7, 0xf000, 0x0000); /* detected_mode_change_event_en & hid1_push_button_event_en */ rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_GE_RELATED_CTL1, 0x0c00, 0x0c00); /* ge_inbox_en */ rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_GE_RELATED_CTL2, 0x0020, 0x0000); switch (rt712->jd_src) { case RT712_JD1: /* Set HP-JD source from JD1 */ rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_CC_DET1, 0x043a); break; default: dev_warn(rt712->component->dev, "Wrong JD source\n"); break; } /* set SCP_SDCA_IntMask1[0]=1 */ sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0); /* set SCP_SDCA_IntMask2[0]=1 */ sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8); dev_dbg(&rt712->slave->dev, "in %s enable\n", __func__); /* trigger GE interrupt */ rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_GE_RELATED_CTL1, 0x0080, 0x0080); rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_GE_RELATED_CTL1, 0x0080, 0x0000); } else { /* disable HID1 & detected_mode_change event */ rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_GE_RELATED_CTL1, 0x0c00, 0x0000); dev_dbg(&rt712->slave->dev, "in %s disable\n", __func__); } mutex_unlock(&rt712->calibrate_mutex); } static int rt712_sdca_set_jack_detect(struct snd_soc_component *component, struct snd_soc_jack *hs_jack, void *data) { struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); int ret; rt712->hs_jack = hs_jack; if (!rt712->first_hw_init) return 0; ret = pm_runtime_resume_and_get(component->dev); if (ret < 0) { if (ret != -EACCES) { dev_err(component->dev, "%s: failed to resume %d\n", __func__, ret); return ret; } /* pm_runtime not enabled yet */ dev_dbg(component->dev, "%s: skipping jack init for now\n", __func__); return 0; } rt712_sdca_jack_init(rt712); pm_runtime_mark_last_busy(component->dev); pm_runtime_put_autosuspend(component->dev); return 0; } /* For SDCA control DAC/ADC Gain */ static int rt712_sdca_set_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); unsigned int read_l, read_r, gain_l_val, gain_r_val; unsigned int adc_vol_flag = 0; unsigned int lvalue, rvalue; const unsigned int interval_offset = 0xc0; const unsigned int tendB = 0xa00; if (strstr(ucontrol->id.name, "FU0F Capture Volume")) adc_vol_flag = 1; regmap_read(rt712->mbq_regmap, mc->reg, &lvalue); regmap_read(rt712->mbq_regmap, mc->rreg, &rvalue); /* L Channel */ gain_l_val = ucontrol->value.integer.value[0]; if (gain_l_val > mc->max) gain_l_val = mc->max; if (mc->shift == 8) /* boost gain */ gain_l_val = gain_l_val * tendB; else { /* ADC/DAC gain */ if (adc_vol_flag) gain_l_val = 0x1e00 - ((mc->max - gain_l_val) * interval_offset); else gain_l_val = 0 - ((mc->max - gain_l_val) * interval_offset); gain_l_val &= 0xffff; } /* R Channel */ gain_r_val = ucontrol->value.integer.value[1]; if (gain_r_val > mc->max) gain_r_val = mc->max; if (mc->shift == 8) /* boost gain */ gain_r_val = gain_r_val * tendB; else { /* ADC/DAC gain */ if (adc_vol_flag) gain_r_val = 0x1e00 - ((mc->max - gain_r_val) * interval_offset); else gain_r_val = 0 - ((mc->max - gain_r_val) * interval_offset); gain_r_val &= 0xffff; } if (lvalue == gain_l_val && rvalue == gain_r_val) return 0; /* Lch*/ regmap_write(rt712->mbq_regmap, mc->reg, gain_l_val); /* Rch */ regmap_write(rt712->mbq_regmap, mc->rreg, gain_r_val); regmap_read(rt712->mbq_regmap, mc->reg, &read_l); regmap_read(rt712->mbq_regmap, mc->rreg, &read_r); if (read_r == gain_r_val && read_l == gain_l_val) return 1; return -EIO; } static int rt712_sdca_set_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; unsigned int read_l, read_r, ctl_l = 0, ctl_r = 0; unsigned int adc_vol_flag = 0; const unsigned int interval_offset = 0xc0; const unsigned int tendB = 0xa00; if (strstr(ucontrol->id.name, "FU0F Capture Volume")) adc_vol_flag = 1; regmap_read(rt712->mbq_regmap, mc->reg, &read_l); regmap_read(rt712->mbq_regmap, mc->rreg, &read_r); if (mc->shift == 8) /* boost gain */ ctl_l = read_l / tendB; else { if (adc_vol_flag) ctl_l = mc->max - (((0x1e00 - read_l) & 0xffff) / interval_offset); else ctl_l = mc->max - (((0 - read_l) & 0xffff) / interval_offset); } if (read_l != read_r) { if (mc->shift == 8) /* boost gain */ ctl_r = read_r / tendB; else { /* ADC/DAC gain */ if (adc_vol_flag) ctl_r = mc->max - (((0x1e00 - read_r) & 0xffff) / interval_offset); else ctl_r = mc->max - (((0 - read_r) & 0xffff) / interval_offset); } } else ctl_r = ctl_l; ucontrol->value.integer.value[0] = ctl_l; ucontrol->value.integer.value[1] = ctl_r; return 0; } static int rt712_sdca_set_fu0f_capture_ctl(struct rt712_sdca_priv *rt712) { int err; unsigned int ch_l, ch_r; ch_l = (rt712->fu0f_dapm_mute || rt712->fu0f_mixer_l_mute) ? 0x01 : 0x00; ch_r = (rt712->fu0f_dapm_mute || rt712->fu0f_mixer_r_mute) ? 0x01 : 0x00; err = regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU0F, RT712_SDCA_CTL_FU_MUTE, CH_L), ch_l); if (err < 0) return err; err = regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU0F, RT712_SDCA_CTL_FU_MUTE, CH_R), ch_r); if (err < 0) return err; return 0; } static int rt712_sdca_fu0f_capture_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); ucontrol->value.integer.value[0] = !rt712->fu0f_mixer_l_mute; ucontrol->value.integer.value[1] = !rt712->fu0f_mixer_r_mute; return 0; } static int rt712_sdca_fu0f_capture_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); int err; if (rt712->fu0f_mixer_l_mute == !ucontrol->value.integer.value[0] && rt712->fu0f_mixer_r_mute == !ucontrol->value.integer.value[1]) return 0; rt712->fu0f_mixer_l_mute = !ucontrol->value.integer.value[0]; rt712->fu0f_mixer_r_mute = !ucontrol->value.integer.value[1]; err = rt712_sdca_set_fu0f_capture_ctl(rt712); if (err < 0) return err; return 1; } static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6525, 75, 0); static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -1725, 75, 0); static const DECLARE_TLV_DB_SCALE(boost_vol_tlv, 0, 1000, 0); static const struct snd_kcontrol_new rt712_sdca_controls[] = { SOC_DOUBLE_R_EXT_TLV("FU05 Playback Volume", SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_VOLUME, CH_L), SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_VOLUME, CH_R), 0, 0x57, 0, rt712_sdca_set_gain_get, rt712_sdca_set_gain_put, out_vol_tlv), SOC_DOUBLE_EXT("FU0F Capture Switch", SND_SOC_NOPM, 0, 1, 1, 0, rt712_sdca_fu0f_capture_get, rt712_sdca_fu0f_capture_put), SOC_DOUBLE_R_EXT_TLV("FU0F Capture Volume", SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU0F, RT712_SDCA_CTL_FU_VOLUME, CH_L), SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU0F, RT712_SDCA_CTL_FU_VOLUME, CH_R), 0, 0x3f, 0, rt712_sdca_set_gain_get, rt712_sdca_set_gain_put, mic_vol_tlv), SOC_DOUBLE_R_EXT_TLV("FU44 Boost Volume", SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_PLATFORM_FU44, RT712_SDCA_CTL_FU_CH_GAIN, CH_L), SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_PLATFORM_FU44, RT712_SDCA_CTL_FU_CH_GAIN, CH_R), 8, 3, 0, rt712_sdca_set_gain_get, rt712_sdca_set_gain_put, boost_vol_tlv), }; static const struct snd_kcontrol_new rt712_sdca_spk_controls[] = { SOC_DOUBLE_R_EXT_TLV("FU06 Playback Volume", SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_USER_FU06, RT712_SDCA_CTL_FU_VOLUME, CH_L), SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_USER_FU06, RT712_SDCA_CTL_FU_VOLUME, CH_R), 0, 0x57, 0, rt712_sdca_set_gain_get, rt712_sdca_set_gain_put, out_vol_tlv), }; static int rt712_sdca_mux_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); unsigned int val = 0, mask = 0x3300; rt712_sdca_index_read(rt712, RT712_VENDOR_HDA_CTL, RT712_MIXER_CTL1, &val); val = val & mask; switch (val) { case 0x3000: val = 1; break; case 0x0300: val = 0; break; } ucontrol->value.enumerated.item[0] = val; return 0; } static int rt712_sdca_mux_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol); struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; unsigned int *item = ucontrol->value.enumerated.item; unsigned int mask_sft; unsigned int val; if (item[0] >= e->items) return -EINVAL; if (ucontrol->value.enumerated.item[0] == 0) mask_sft = 12; else if (ucontrol->value.enumerated.item[0] == 1) mask_sft = 8; else return -EINVAL; rt712_sdca_index_read(rt712, RT712_VENDOR_HDA_CTL, RT712_MIXER_CTL1, &val); val = (val >> mask_sft) & 0x3; if (!val) return 0; rt712_sdca_index_write(rt712, RT712_VENDOR_HDA_CTL, RT712_MIXER_CTL1, 0x3fff); rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_MIXER_CTL1, 0x3 << mask_sft, 0); snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL); return 1; } static const char * const adc_mux_text[] = { "MIC2", "LINE2", }; static SOC_ENUM_SINGLE_DECL( rt712_adc23_enum, SND_SOC_NOPM, 0, adc_mux_text); static const struct snd_kcontrol_new rt712_sdca_adc23_mux = SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt712_adc23_enum, rt712_sdca_mux_get, rt712_sdca_mux_put); static int rt712_sdca_fu05_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); unsigned char unmute = 0x0, mute = 0x1; switch (event) { case SND_SOC_DAPM_POST_PMU: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_MUTE, CH_L), unmute); regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_MUTE, CH_R), unmute); break; case SND_SOC_DAPM_PRE_PMD: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_MUTE, CH_L), mute); regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_MUTE, CH_R), mute); break; } return 0; } static int rt712_sdca_fu0f_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); switch (event) { case SND_SOC_DAPM_POST_PMU: rt712->fu0f_dapm_mute = false; rt712_sdca_set_fu0f_capture_ctl(rt712); break; case SND_SOC_DAPM_PRE_PMD: rt712->fu0f_dapm_mute = true; rt712_sdca_set_fu0f_capture_ctl(rt712); break; } return 0; } static int rt712_sdca_pde40_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); unsigned char ps0 = 0x0, ps3 = 0x3; switch (event) { case SND_SOC_DAPM_POST_PMU: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_PDE40, RT712_SDCA_CTL_REQ_POWER_STATE, 0), ps0); break; case SND_SOC_DAPM_PRE_PMD: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_PDE40, RT712_SDCA_CTL_REQ_POWER_STATE, 0), ps3); break; } return 0; } static int rt712_sdca_pde12_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); unsigned char ps0 = 0x0, ps3 = 0x3; switch (event) { case SND_SOC_DAPM_POST_PMU: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_PDE12, RT712_SDCA_CTL_REQ_POWER_STATE, 0), ps0); break; case SND_SOC_DAPM_PRE_PMD: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_PDE12, RT712_SDCA_CTL_REQ_POWER_STATE, 0), ps3); break; } return 0; } static int rt712_sdca_classd_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); unsigned char ps0 = 0x0, ps3 = 0x3; switch (event) { case SND_SOC_DAPM_POST_PMU: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_PDE23, RT712_SDCA_CTL_REQ_POWER_STATE, 0), ps0); break; case SND_SOC_DAPM_PRE_PMD: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_PDE23, RT712_SDCA_CTL_REQ_POWER_STATE, 0), ps3); break; default: break; } return 0; } static const struct snd_kcontrol_new rt712_spk_sto_dac = SOC_DAPM_DOUBLE_R("Switch", SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_USER_FU06, RT712_SDCA_CTL_FU_MUTE, CH_L), SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_USER_FU06, RT712_SDCA_CTL_FU_MUTE, CH_R), 0, 1, 1); static const struct snd_soc_dapm_widget rt712_sdca_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("HP"), SND_SOC_DAPM_INPUT("MIC2"), SND_SOC_DAPM_INPUT("LINE2"), SND_SOC_DAPM_SUPPLY("PDE 40", SND_SOC_NOPM, 0, 0, rt712_sdca_pde40_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_SUPPLY("PDE 12", SND_SOC_NOPM, 0, 0, rt712_sdca_pde12_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_DAC_E("FU 05", NULL, SND_SOC_NOPM, 0, 0, rt712_sdca_fu05_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_ADC_E("FU 0F", NULL, SND_SOC_NOPM, 0, 0, rt712_sdca_fu0f_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0, &rt712_sdca_adc23_mux), SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0), }; static const struct snd_soc_dapm_route rt712_sdca_audio_map[] = { { "FU 05", NULL, "DP1RX" }, { "DP4TX", NULL, "FU 0F" }, { "FU 0F", NULL, "PDE 12" }, { "FU 0F", NULL, "ADC 23 Mux" }, { "ADC 23 Mux", "LINE2", "LINE2" }, { "ADC 23 Mux", "MIC2", "MIC2" }, { "HP", NULL, "PDE 40" }, { "HP", NULL, "FU 05" }, }; static const struct snd_soc_dapm_widget rt712_sdca_spk_dapm_widgets[] = { SND_SOC_DAPM_AIF_IN("DP3RX", "DP3 Playback", 0, SND_SOC_NOPM, 0, 0), /* Digital Interface */ SND_SOC_DAPM_SWITCH("FU06", SND_SOC_NOPM, 0, 0, &rt712_spk_sto_dac), /* Output */ SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0, rt712_sdca_classd_event, SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_OUTPUT("SPOL"), SND_SOC_DAPM_OUTPUT("SPOR"), }; static const struct snd_soc_dapm_route rt712_sdca_spk_dapm_routes[] = { { "FU06", "Switch", "DP3RX" }, { "CLASS D", NULL, "FU06" }, { "SPOL", NULL, "CLASS D" }, { "SPOR", NULL, "CLASS D" }, }; static int rt712_sdca_parse_dt(struct rt712_sdca_priv *rt712, struct device *dev) { device_property_read_u32(dev, "realtek,jd-src", &rt712->jd_src); return 0; } static int rt712_sdca_probe(struct snd_soc_component *component) { struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); int ret; rt712_sdca_parse_dt(rt712, &rt712->slave->dev); rt712->component = component; /* add SPK route */ if (rt712->hw_id != RT712_DEV_ID_713) { snd_soc_add_component_controls(component, rt712_sdca_spk_controls, ARRAY_SIZE(rt712_sdca_spk_controls)); snd_soc_dapm_new_controls(dapm, rt712_sdca_spk_dapm_widgets, ARRAY_SIZE(rt712_sdca_spk_dapm_widgets)); snd_soc_dapm_add_routes(dapm, rt712_sdca_spk_dapm_routes, ARRAY_SIZE(rt712_sdca_spk_dapm_routes)); } if (!rt712->first_hw_init) return 0; ret = pm_runtime_resume(component->dev); if (ret < 0 && ret != -EACCES) return ret; return 0; } static const struct snd_soc_component_driver soc_sdca_dev_rt712 = { .probe = rt712_sdca_probe, .controls = rt712_sdca_controls, .num_controls = ARRAY_SIZE(rt712_sdca_controls), .dapm_widgets = rt712_sdca_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(rt712_sdca_dapm_widgets), .dapm_routes = rt712_sdca_audio_map, .num_dapm_routes = ARRAY_SIZE(rt712_sdca_audio_map), .set_jack = rt712_sdca_set_jack_detect, .endianness = 1, }; static int rt712_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, int direction) { snd_soc_dai_dma_data_set(dai, direction, sdw_stream); return 0; } static void rt712_sdca_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { snd_soc_dai_set_dma_data(dai, substream, NULL); } static int rt712_sdca_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); struct sdw_stream_config stream_config; struct sdw_port_config port_config; enum sdw_data_direction direction; struct sdw_stream_runtime *sdw_stream; int retval, port, num_channels; unsigned int sampling_rate; dev_dbg(dai->dev, "%s %s", __func__, dai->name); sdw_stream = snd_soc_dai_get_dma_data(dai, substream); if (!sdw_stream) return -EINVAL; if (!rt712->slave) return -EINVAL; /* SoundWire specific configuration */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { direction = SDW_DATA_DIR_RX; if (dai->id == RT712_AIF1) port = 1; else if (dai->id == RT712_AIF2) port = 3; else return -EINVAL; } else { direction = SDW_DATA_DIR_TX; if (dai->id == RT712_AIF1) port = 4; else return -EINVAL; } stream_config.frame_rate = params_rate(params); stream_config.ch_count = params_channels(params); stream_config.bps = snd_pcm_format_width(params_format(params)); stream_config.direction = direction; num_channels = params_channels(params); port_config.ch_mask = GENMASK(num_channels - 1, 0); port_config.num = port; retval = sdw_stream_add_slave(rt712->slave, &stream_config, &port_config, 1, sdw_stream); if (retval) { dev_err(dai->dev, "%s: Unable to configure port\n", __func__); return retval; } if (params_channels(params) > 16) { dev_err(component->dev, "%s: Unsupported channels %d\n", __func__, params_channels(params)); return -EINVAL; } /* sampling rate configuration */ switch (params_rate(params)) { case 44100: sampling_rate = RT712_SDCA_RATE_44100HZ; break; case 48000: sampling_rate = RT712_SDCA_RATE_48000HZ; break; case 96000: sampling_rate = RT712_SDCA_RATE_96000HZ; break; case 192000: sampling_rate = RT712_SDCA_RATE_192000HZ; break; default: dev_err(component->dev, "%s: Rate %d is not supported\n", __func__, params_rate(params)); return -EINVAL; } /* set sampling frequency */ switch (dai->id) { case RT712_AIF1: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_CS01, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), sampling_rate); regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_CS11, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), sampling_rate); break; case RT712_AIF2: regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_CS31, RT712_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), sampling_rate); break; default: dev_err(component->dev, "%s: Wrong DAI id\n", __func__); return -EINVAL; } return 0; } static int rt712_sdca_pcm_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; struct rt712_sdca_priv *rt712 = snd_soc_component_get_drvdata(component); struct sdw_stream_runtime *sdw_stream = snd_soc_dai_get_dma_data(dai, substream); if (!rt712->slave) return -EINVAL; sdw_stream_remove_slave(rt712->slave, sdw_stream); return 0; } #define RT712_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | \ SNDRV_PCM_RATE_192000) #define RT712_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ SNDRV_PCM_FMTBIT_S24_LE) static const struct snd_soc_dai_ops rt712_sdca_ops = { .hw_params = rt712_sdca_pcm_hw_params, .hw_free = rt712_sdca_pcm_hw_free, .set_stream = rt712_sdca_set_sdw_stream, .shutdown = rt712_sdca_shutdown, }; static struct snd_soc_dai_driver rt712_sdca_dai[] = { { .name = "rt712-sdca-aif1", .id = RT712_AIF1, .playback = { .stream_name = "DP1 Playback", .channels_min = 1, .channels_max = 2, .rates = RT712_STEREO_RATES, .formats = RT712_FORMATS, }, .capture = { .stream_name = "DP4 Capture", .channels_min = 1, .channels_max = 2, .rates = RT712_STEREO_RATES, .formats = RT712_FORMATS, }, .ops = &rt712_sdca_ops, }, { .name = "rt712-sdca-aif2", .id = RT712_AIF2, .playback = { .stream_name = "DP3 Playback", .channels_min = 1, .channels_max = 2, .rates = RT712_STEREO_RATES, .formats = RT712_FORMATS, }, .ops = &rt712_sdca_ops, } }; int rt712_sdca_init(struct device *dev, struct regmap *regmap, struct regmap *mbq_regmap, struct sdw_slave *slave) { struct rt712_sdca_priv *rt712; int ret; rt712 = devm_kzalloc(dev, sizeof(*rt712), GFP_KERNEL); if (!rt712) return -ENOMEM; dev_set_drvdata(dev, rt712); rt712->slave = slave; rt712->regmap = regmap; rt712->mbq_regmap = mbq_regmap; regcache_cache_only(rt712->regmap, true); regcache_cache_only(rt712->mbq_regmap, true); mutex_init(&rt712->calibrate_mutex); mutex_init(&rt712->disable_irq_lock); INIT_DELAYED_WORK(&rt712->jack_detect_work, rt712_sdca_jack_detect_handler); INIT_DELAYED_WORK(&rt712->jack_btn_check_work, rt712_sdca_btn_check_handler); /* * Mark hw_init to false * HW init will be performed when device reports present */ rt712->hw_init = false; rt712->first_hw_init = false; rt712->fu0f_dapm_mute = true; rt712->fu0f_mixer_l_mute = rt712->fu0f_mixer_r_mute = true; /* JD source uses JD1 in default */ rt712->jd_src = RT712_JD1; if (slave->id.part_id != RT712_PART_ID_713) ret = devm_snd_soc_register_component(dev, &soc_sdca_dev_rt712, rt712_sdca_dai, ARRAY_SIZE(rt712_sdca_dai)); else ret = devm_snd_soc_register_component(dev, &soc_sdca_dev_rt712, rt712_sdca_dai, 1); if (ret < 0) return ret; /* set autosuspend parameters */ pm_runtime_set_autosuspend_delay(dev, 3000); pm_runtime_use_autosuspend(dev); /* make sure the device does not suspend immediately */ pm_runtime_mark_last_busy(dev); pm_runtime_enable(dev); /* important note: the device is NOT tagged as 'active' and will remain * 'suspended' until the hardware is enumerated/initialized. This is required * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently * fail with -EACCESS because of race conditions between card creation and enumeration */ dev_dbg(dev, "%s\n", __func__); return 0; } int rt712_sdca_io_init(struct device *dev, struct sdw_slave *slave) { struct rt712_sdca_priv *rt712 = dev_get_drvdata(dev); int ret = 0; unsigned int val, hibernation_flag; rt712->disable_irq = false; if (rt712->hw_init) return 0; regcache_cache_only(rt712->regmap, false); regcache_cache_only(rt712->mbq_regmap, false); if (rt712->first_hw_init) { regcache_cache_bypass(rt712->regmap, true); regcache_cache_bypass(rt712->mbq_regmap, true); } else { /* * PM runtime status is marked as 'active' only when a Slave reports as Attached */ /* update count of parent 'active' children */ pm_runtime_set_active(&slave->dev); } pm_runtime_get_noresume(&slave->dev); rt712_sdca_index_read(rt712, RT712_VENDOR_REG, RT712_JD_PRODUCT_NUM, &val); rt712->hw_id = (val & 0xf000) >> 12; rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_ANALOG_BIAS_CTL3, 0xaa81); rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_LDO2_3_CTL1, 0xa1e0); rt712_sdca_index_write(rt712, RT712_VENDOR_IMS_DRE, RT712_HP_DETECT_RLDET_CTL1, 0x0000); rt712_sdca_index_write(rt712, RT712_VENDOR_IMS_DRE, RT712_HP_DETECT_RLDET_CTL2, 0x0000); rt712_sdca_index_write(rt712, RT712_VENDOR_ANALOG_CTL, RT712_MISC_POWER_CTL7, 0x0000); regmap_write(rt712->regmap, RT712_RC_CAL, 0x23); /* calibration */ rt712_sdca_index_read(rt712, RT712_VENDOR_REG, RT712_SW_CONFIG1, &hibernation_flag); if (!hibernation_flag) { ret = rt712_sdca_calibration(rt712); if (ret < 0) dev_err(dev, "%s, calibration failed!\n", __func__); } rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_MIXER_CTL1, 0x3000, 0x0000); rt712_sdca_index_write(rt712, RT712_VENDOR_HDA_CTL, RT712_ADC0A_08_PDE_FLOAT_CTL, 0x1112); rt712_sdca_index_write(rt712, RT712_VENDOR_HDA_CTL, RT712_MIC2_LINE2_PDE_FLOAT_CTL, 0x3412); rt712_sdca_index_write(rt712, RT712_VENDOR_HDA_CTL, RT712_DAC03_HP_PDE_FLOAT_CTL, 0x4040); rt712_sdca_index_update_bits(rt712, RT712_VENDOR_HDA_CTL, RT712_HDA_LEGACY_GPIO_WAKE_EN_CTL, 0x0001, 0x0000); regmap_write(rt712->regmap, 0x2f50, 0x00); regmap_write(rt712->regmap, 0x2f54, 0x00); regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_IT09, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x01); /* add SPK settings */ if (rt712->hw_id != RT712_DEV_ID_713) { rt712_sdca_index_write(rt712, RT712_VENDOR_HDA_CTL, RT712_AMP_PDE_FLOAT_CTL, 0x2323); rt712_sdca_index_write(rt712, RT712_VENDOR_HDA_CTL, RT712_EAPD_CTL, 0x0002); regmap_write(rt712->regmap, SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_OT23, RT712_SDCA_CTL_VENDOR_DEF, 0), 0x04); } /* * if set_jack callback occurred early than io_init, * we set up the jack detection function now */ if (rt712->hs_jack) rt712_sdca_jack_init(rt712); if (!hibernation_flag) rt712_sdca_index_write(rt712, RT712_VENDOR_REG, RT712_SW_CONFIG1, 0x0001); if (rt712->first_hw_init) { regcache_cache_bypass(rt712->regmap, false); regcache_mark_dirty(rt712->regmap); regcache_cache_bypass(rt712->mbq_regmap, false); regcache_mark_dirty(rt712->mbq_regmap); } else rt712->first_hw_init = true; /* Mark Slave initialization complete */ rt712->hw_init = true; pm_runtime_mark_last_busy(&slave->dev); pm_runtime_put_autosuspend(&slave->dev); dev_dbg(&slave->dev, "%s hw_init complete\n", __func__); return 0; } MODULE_DESCRIPTION("ASoC RT712 SDCA SDW driver"); MODULE_AUTHOR("Shuming Fan "); MODULE_LICENSE("GPL");