1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * rt715.c -- rt715 ALSA SoC audio driver 4 * 5 * Copyright(c) 2019 Realtek Semiconductor Corp. 6 * 7 * ALC715 ASoC Codec Driver based Intel Dummy SdW codec driver 8 * 9 */ 10 11 #include <linux/module.h> 12 #include <linux/kernel.h> 13 #include <linux/init.h> 14 #include <linux/delay.h> 15 #include <linux/i2c.h> 16 #include <linux/pm_runtime.h> 17 #include <linux/pm.h> 18 #include <linux/soundwire/sdw.h> 19 #include <linux/gpio.h> 20 #include <linux/regmap.h> 21 #include <linux/slab.h> 22 #include <linux/platform_device.h> 23 #include <linux/regulator/consumer.h> 24 #include <linux/gpio/consumer.h> 25 #include <linux/of.h> 26 #include <linux/of_gpio.h> 27 #include <linux/of_device.h> 28 #include <sound/core.h> 29 #include <sound/pcm.h> 30 #include <sound/pcm_params.h> 31 #include <sound/soc.h> 32 #include <sound/soc-dapm.h> 33 #include <sound/initval.h> 34 #include <sound/tlv.h> 35 #include <sound/hda_verbs.h> 36 37 #include "rt715.h" 38 39 static int rt715_index_write(struct regmap *regmap, unsigned int reg, 40 unsigned int value) 41 { 42 int ret; 43 unsigned int addr = ((RT715_PRIV_INDEX_W_H) << 8) | reg; 44 45 ret = regmap_write(regmap, addr, value); 46 if (ret < 0) { 47 pr_err("Failed to set private value: %08x <= %04x %d\n", ret, 48 addr, value); 49 } 50 51 return ret; 52 } 53 54 static void rt715_get_gain(struct rt715_priv *rt715, unsigned int addr_h, 55 unsigned int addr_l, unsigned int val_h, 56 unsigned int *r_val, unsigned int *l_val) 57 { 58 int ret; 59 /* R Channel */ 60 *r_val = val_h << 8; 61 ret = regmap_read(rt715->regmap, addr_l, r_val); 62 if (ret < 0) 63 pr_err("Failed to get R channel gain.\n"); 64 65 /* L Channel */ 66 val_h |= 0x20; 67 *l_val = val_h << 8; 68 ret = regmap_read(rt715->regmap, addr_h, l_val); 69 if (ret < 0) 70 pr_err("Failed to get L channel gain.\n"); 71 } 72 73 /* For Verb-Set Amplifier Gain (Verb ID = 3h) */ 74 static int rt715_set_amp_gain_put(struct snd_kcontrol *kcontrol, 75 struct snd_ctl_elem_value *ucontrol) 76 { 77 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 78 struct snd_soc_dapm_context *dapm = 79 snd_soc_component_get_dapm(component); 80 struct soc_mixer_control *mc = 81 (struct soc_mixer_control *)kcontrol->private_value; 82 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 83 unsigned int addr_h, addr_l, val_h, val_ll, val_lr; 84 unsigned int read_ll, read_rl, i; 85 unsigned int k_vol_changed = 0; 86 87 for (i = 0; i < 2; i++) { 88 if (ucontrol->value.integer.value[i] != rt715->kctl_2ch_vol_ori[i]) { 89 k_vol_changed = 1; 90 break; 91 } 92 } 93 94 /* Can't use update bit function, so read the original value first */ 95 addr_h = mc->reg; 96 addr_l = mc->rreg; 97 98 if (mc->shift == RT715_DIR_OUT_SFT) /* output */ 99 val_h = 0x80; 100 else /* input */ 101 val_h = 0x0; 102 103 rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); 104 105 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) 106 regmap_write(rt715->regmap, 107 RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0); 108 109 /* L Channel */ 110 rt715->kctl_2ch_vol_ori[0] = ucontrol->value.integer.value[0]; 111 /* for gain */ 112 val_ll = ((ucontrol->value.integer.value[0]) & 0x7f); 113 if (val_ll > mc->max) 114 val_ll = mc->max; 115 /* keep mute status */ 116 val_ll |= read_ll & 0x80; 117 118 /* R Channel */ 119 rt715->kctl_2ch_vol_ori[1] = ucontrol->value.integer.value[1]; 120 /* for gain */ 121 val_lr = ((ucontrol->value.integer.value[1]) & 0x7f); 122 if (val_lr > mc->max) 123 val_lr = mc->max; 124 /* keep mute status */ 125 val_lr |= read_rl & 0x80; 126 127 for (i = 0; i < 3; i++) { /* retry 3 times at most */ 128 129 if (val_ll == val_lr) { 130 /* Set both L/R channels at the same time */ 131 val_h = (1 << mc->shift) | (3 << 4); 132 regmap_write(rt715->regmap, addr_h, 133 (val_h << 8) | val_ll); 134 regmap_write(rt715->regmap, addr_l, 135 (val_h << 8) | val_ll); 136 } else { 137 /* Lch*/ 138 val_h = (1 << mc->shift) | (1 << 5); 139 regmap_write(rt715->regmap, addr_h, 140 (val_h << 8) | val_ll); 141 /* Rch */ 142 val_h = (1 << mc->shift) | (1 << 4); 143 regmap_write(rt715->regmap, addr_l, 144 (val_h << 8) | val_lr); 145 } 146 /* check result */ 147 if (mc->shift == RT715_DIR_OUT_SFT) /* output */ 148 val_h = 0x80; 149 else /* input */ 150 val_h = 0x0; 151 152 rt715_get_gain(rt715, addr_h, addr_l, val_h, 153 &read_rl, &read_ll); 154 if (read_rl == val_lr && read_ll == val_ll) 155 break; 156 } 157 158 /* D0:power on state, D3: power saving mode */ 159 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) 160 regmap_write(rt715->regmap, 161 RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3); 162 return k_vol_changed; 163 } 164 165 static int rt715_set_amp_gain_get(struct snd_kcontrol *kcontrol, 166 struct snd_ctl_elem_value *ucontrol) 167 { 168 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 169 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 170 struct soc_mixer_control *mc = 171 (struct soc_mixer_control *)kcontrol->private_value; 172 unsigned int addr_h, addr_l, val_h; 173 unsigned int read_ll, read_rl; 174 175 addr_h = mc->reg; 176 addr_l = mc->rreg; 177 if (mc->shift == RT715_DIR_OUT_SFT) /* output */ 178 val_h = 0x80; 179 else /* input */ 180 val_h = 0x0; 181 182 rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); 183 184 if (mc->invert) { 185 /* for mute status */ 186 read_ll = !(read_ll & 0x80); 187 read_rl = !(read_rl & 0x80); 188 } else { 189 /* for gain */ 190 read_ll = read_ll & 0x7f; 191 read_rl = read_rl & 0x7f; 192 } 193 ucontrol->value.integer.value[0] = read_ll; 194 ucontrol->value.integer.value[1] = read_rl; 195 196 return 0; 197 } 198 199 static int rt715_set_main_switch_put(struct snd_kcontrol *kcontrol, 200 struct snd_ctl_elem_value *ucontrol) 201 { 202 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 203 struct snd_soc_dapm_context *dapm = 204 snd_soc_component_get_dapm(component); 205 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 206 unsigned int capture_reg_H[] = {RT715_SET_GAIN_MIC_ADC_H, 207 RT715_SET_GAIN_LINE_ADC_H, RT715_SET_GAIN_MIX_ADC_H, 208 RT715_SET_GAIN_MIX_ADC2_H}; 209 unsigned int capture_reg_L[] = {RT715_SET_GAIN_MIC_ADC_L, 210 RT715_SET_GAIN_LINE_ADC_L, RT715_SET_GAIN_MIX_ADC_L, 211 RT715_SET_GAIN_MIX_ADC2_L}; 212 unsigned int addr_h, addr_l, val_h = 0x0, val_ll, val_lr; 213 unsigned int k_shift = RT715_DIR_IN_SFT, k_changed = 0; 214 unsigned int read_ll, read_rl, i, j, loop_cnt = 4; 215 216 for (i = 0; i < 8; i++) { 217 if (ucontrol->value.integer.value[i] != rt715->kctl_8ch_switch_ori[i]) 218 k_changed = 1; 219 } 220 221 for (j = 0; j < loop_cnt; j++) { 222 /* Can't use update bit function, so read the original value first */ 223 addr_h = capture_reg_H[j]; 224 addr_l = capture_reg_L[j]; 225 rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); 226 227 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) 228 regmap_write(rt715->regmap, 229 RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0); 230 231 /* L Channel */ 232 /* for mute */ 233 rt715->kctl_8ch_switch_ori[j * 2] = 234 ucontrol->value.integer.value[j * 2]; 235 val_ll = (!ucontrol->value.integer.value[j * 2]) << 7; 236 /* keep gain */ 237 val_ll |= read_ll & 0x7f; 238 239 /* R Channel */ 240 /* for mute */ 241 rt715->kctl_8ch_switch_ori[j * 2 + 1] = 242 ucontrol->value.integer.value[j * 2 + 1]; 243 val_lr = (!ucontrol->value.integer.value[j * 2 + 1]) << 7; 244 /* keep gain */ 245 val_lr |= read_rl & 0x7f; 246 247 for (i = 0; i < 3; i++) { /* retry 3 times at most */ 248 249 if (val_ll == val_lr) { 250 /* Set both L/R channels at the same time */ 251 val_h = (1 << k_shift) | (3 << 4); 252 regmap_write(rt715->regmap, addr_h, 253 (val_h << 8) | val_ll); 254 regmap_write(rt715->regmap, addr_l, 255 (val_h << 8) | val_ll); 256 } else { 257 /* Lch*/ 258 val_h = (1 << k_shift) | (1 << 5); 259 regmap_write(rt715->regmap, addr_h, 260 (val_h << 8) | val_ll); 261 /* Rch */ 262 val_h = (1 << k_shift) | (1 << 4); 263 regmap_write(rt715->regmap, addr_l, 264 (val_h << 8) | val_lr); 265 } 266 val_h = 0x0; 267 rt715_get_gain(rt715, addr_h, addr_l, val_h, 268 &read_rl, &read_ll); 269 if (read_rl == val_lr && read_ll == val_ll) 270 break; 271 } 272 } 273 274 /* D0:power on state, D3: power saving mode */ 275 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) 276 regmap_write(rt715->regmap, 277 RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3); 278 return k_changed; 279 } 280 281 static int rt715_set_main_switch_get(struct snd_kcontrol *kcontrol, 282 struct snd_ctl_elem_value *ucontrol) 283 { 284 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 285 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 286 unsigned int capture_reg_H[] = {RT715_SET_GAIN_MIC_ADC_H, 287 RT715_SET_GAIN_LINE_ADC_H, RT715_SET_GAIN_MIX_ADC_H, 288 RT715_SET_GAIN_MIX_ADC2_H}; 289 unsigned int capture_reg_L[] = {RT715_SET_GAIN_MIC_ADC_L, 290 RT715_SET_GAIN_LINE_ADC_L, RT715_SET_GAIN_MIX_ADC_L, 291 RT715_SET_GAIN_MIX_ADC2_L}; 292 unsigned int addr_h, addr_l, val_h = 0x0, i, loop_cnt = 4; 293 unsigned int read_ll, read_rl; 294 295 for (i = 0; i < loop_cnt; i++) { 296 addr_h = capture_reg_H[i]; 297 addr_l = capture_reg_L[i]; 298 rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); 299 300 ucontrol->value.integer.value[i * 2] = !(read_ll & 0x80); 301 ucontrol->value.integer.value[i * 2 + 1] = !(read_rl & 0x80); 302 } 303 304 return 0; 305 } 306 307 static int rt715_set_main_vol_put(struct snd_kcontrol *kcontrol, 308 struct snd_ctl_elem_value *ucontrol) 309 { 310 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 311 struct snd_soc_dapm_context *dapm = 312 snd_soc_component_get_dapm(component); 313 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 314 unsigned int capture_reg_H[] = {RT715_SET_GAIN_MIC_ADC_H, 315 RT715_SET_GAIN_LINE_ADC_H, RT715_SET_GAIN_MIX_ADC_H, 316 RT715_SET_GAIN_MIX_ADC2_H}; 317 unsigned int capture_reg_L[] = {RT715_SET_GAIN_MIC_ADC_L, 318 RT715_SET_GAIN_LINE_ADC_L, RT715_SET_GAIN_MIX_ADC_L, 319 RT715_SET_GAIN_MIX_ADC2_L}; 320 unsigned int addr_h, addr_l, val_h = 0x0, val_ll, val_lr; 321 unsigned int read_ll, read_rl, i, j, loop_cnt = 4, k_changed = 0; 322 unsigned int k_shift = RT715_DIR_IN_SFT, k_max = 0x3f; 323 324 for (i = 0; i < 8; i++) { 325 if (ucontrol->value.integer.value[i] != rt715->kctl_8ch_vol_ori[i]) 326 k_changed = 1; 327 } 328 329 for (j = 0; j < loop_cnt; j++) { 330 addr_h = capture_reg_H[j]; 331 addr_l = capture_reg_L[j]; 332 rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); 333 334 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) 335 regmap_write(rt715->regmap, 336 RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D0); 337 338 /* L Channel */ 339 /* for gain */ 340 rt715->kctl_8ch_vol_ori[j * 2] = ucontrol->value.integer.value[j * 2]; 341 val_ll = ((ucontrol->value.integer.value[j * 2]) & 0x7f); 342 if (val_ll > k_max) 343 val_ll = k_max; 344 /* keep mute status */ 345 val_ll |= read_ll & 0x80; 346 347 /* R Channel */ 348 /* for gain */ 349 rt715->kctl_8ch_vol_ori[j * 2 + 1] = 350 ucontrol->value.integer.value[j * 2 + 1]; 351 val_lr = ((ucontrol->value.integer.value[j * 2 + 1]) & 0x7f); 352 if (val_lr > k_max) 353 val_lr = k_max; 354 /* keep mute status */ 355 val_lr |= read_rl & 0x80; 356 357 for (i = 0; i < 3; i++) { /* retry 3 times at most */ 358 if (val_ll == val_lr) { 359 /* Set both L/R channels at the same time */ 360 val_h = (1 << k_shift) | (3 << 4); 361 regmap_write(rt715->regmap, addr_h, 362 (val_h << 8) | val_ll); 363 regmap_write(rt715->regmap, addr_l, 364 (val_h << 8) | val_ll); 365 } else { 366 /* Lch*/ 367 val_h = (1 << k_shift) | (1 << 5); 368 regmap_write(rt715->regmap, addr_h, 369 (val_h << 8) | val_ll); 370 /* Rch */ 371 val_h = (1 << k_shift) | (1 << 4); 372 regmap_write(rt715->regmap, addr_l, 373 (val_h << 8) | val_lr); 374 } 375 val_h = 0x0; 376 rt715_get_gain(rt715, addr_h, addr_l, val_h, 377 &read_rl, &read_ll); 378 if (read_rl == val_lr && read_ll == val_ll) 379 break; 380 } 381 } 382 383 /* D0:power on state, D3: power saving mode */ 384 if (dapm->bias_level <= SND_SOC_BIAS_STANDBY) 385 regmap_write(rt715->regmap, 386 RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3); 387 return k_changed; 388 } 389 390 static int rt715_set_main_vol_get(struct snd_kcontrol *kcontrol, 391 struct snd_ctl_elem_value *ucontrol) 392 { 393 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); 394 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 395 unsigned int capture_reg_H[] = {RT715_SET_GAIN_MIC_ADC_H, 396 RT715_SET_GAIN_LINE_ADC_H, RT715_SET_GAIN_MIX_ADC_H, 397 RT715_SET_GAIN_MIX_ADC2_H}; 398 unsigned int capture_reg_L[] = {RT715_SET_GAIN_MIC_ADC_L, 399 RT715_SET_GAIN_LINE_ADC_L, RT715_SET_GAIN_MIX_ADC_L, 400 RT715_SET_GAIN_MIX_ADC2_L}; 401 unsigned int addr_h, addr_l, val_h = 0x0, i, loop_cnt = 4; 402 unsigned int read_ll, read_rl; 403 404 for (i = 0; i < loop_cnt; i++) { 405 addr_h = capture_reg_H[i]; 406 addr_l = capture_reg_L[i]; 407 rt715_get_gain(rt715, addr_h, addr_l, val_h, &read_rl, &read_ll); 408 409 ucontrol->value.integer.value[i * 2] = read_ll & 0x7f; 410 ucontrol->value.integer.value[i * 2 + 1] = read_rl & 0x7f; 411 } 412 413 return 0; 414 } 415 416 static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0); 417 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0); 418 419 static int rt715_switch_info(struct snd_kcontrol *kcontrol, 420 struct snd_ctl_elem_info *uinfo) 421 { 422 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 423 uinfo->count = 8; 424 uinfo->value.integer.min = 0; 425 uinfo->value.integer.max = 1; 426 return 0; 427 } 428 429 static int rt715_vol_info(struct snd_kcontrol *kcontrol, 430 struct snd_ctl_elem_info *uinfo) 431 { 432 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 433 uinfo->count = 8; 434 uinfo->value.integer.min = 0; 435 uinfo->value.integer.max = 0x3f; 436 return 0; 437 } 438 439 #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ 440 xhandler_get, xhandler_put) \ 441 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 442 .info = snd_soc_info_volsw, \ 443 .get = xhandler_get, .put = xhandler_put, \ 444 .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ 445 xmax, xinvert) } 446 447 #define RT715_MAIN_SWITCH_EXT(xname, xhandler_get, xhandler_put) \ 448 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 449 .info = rt715_switch_info, \ 450 .get = xhandler_get, .put = xhandler_put, \ 451 } 452 453 #define RT715_MAIN_VOL_EXT_TLV(xname, xhandler_get, xhandler_put, tlv_array) \ 454 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ 455 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ 456 SNDRV_CTL_ELEM_ACCESS_READWRITE, \ 457 .tlv.p = (tlv_array), \ 458 .info = rt715_vol_info, \ 459 .get = xhandler_get, .put = xhandler_put, \ 460 } 461 462 static const struct snd_kcontrol_new rt715_snd_controls[] = { 463 /* Capture switch */ 464 RT715_MAIN_SWITCH_EXT("Capture Switch", 465 rt715_set_main_switch_get, rt715_set_main_switch_put), 466 /* Volume Control */ 467 RT715_MAIN_VOL_EXT_TLV("Capture Volume", 468 rt715_set_main_vol_get, rt715_set_main_vol_put, in_vol_tlv), 469 /* MIC Boost Control */ 470 SOC_DOUBLE_R_EXT_TLV("DMIC1 Boost", RT715_SET_GAIN_DMIC1_H, 471 RT715_SET_GAIN_DMIC1_L, RT715_DIR_IN_SFT, 3, 0, 472 rt715_set_amp_gain_get, rt715_set_amp_gain_put, 473 mic_vol_tlv), 474 SOC_DOUBLE_R_EXT_TLV("DMIC2 Boost", RT715_SET_GAIN_DMIC2_H, 475 RT715_SET_GAIN_DMIC2_L, RT715_DIR_IN_SFT, 3, 0, 476 rt715_set_amp_gain_get, rt715_set_amp_gain_put, 477 mic_vol_tlv), 478 SOC_DOUBLE_R_EXT_TLV("DMIC3 Boost", RT715_SET_GAIN_DMIC3_H, 479 RT715_SET_GAIN_DMIC3_L, RT715_DIR_IN_SFT, 3, 0, 480 rt715_set_amp_gain_get, rt715_set_amp_gain_put, 481 mic_vol_tlv), 482 SOC_DOUBLE_R_EXT_TLV("DMIC4 Boost", RT715_SET_GAIN_DMIC4_H, 483 RT715_SET_GAIN_DMIC4_L, RT715_DIR_IN_SFT, 3, 0, 484 rt715_set_amp_gain_get, rt715_set_amp_gain_put, 485 mic_vol_tlv), 486 SOC_DOUBLE_R_EXT_TLV("MIC1 Boost", RT715_SET_GAIN_MIC1_H, 487 RT715_SET_GAIN_MIC1_L, RT715_DIR_IN_SFT, 3, 0, 488 rt715_set_amp_gain_get, rt715_set_amp_gain_put, 489 mic_vol_tlv), 490 SOC_DOUBLE_R_EXT_TLV("MIC2 Boost", RT715_SET_GAIN_MIC2_H, 491 RT715_SET_GAIN_MIC2_L, RT715_DIR_IN_SFT, 3, 0, 492 rt715_set_amp_gain_get, rt715_set_amp_gain_put, 493 mic_vol_tlv), 494 SOC_DOUBLE_R_EXT_TLV("LINE1 Boost", RT715_SET_GAIN_LINE1_H, 495 RT715_SET_GAIN_LINE1_L, RT715_DIR_IN_SFT, 3, 0, 496 rt715_set_amp_gain_get, rt715_set_amp_gain_put, 497 mic_vol_tlv), 498 SOC_DOUBLE_R_EXT_TLV("LINE2 Boost", RT715_SET_GAIN_LINE2_H, 499 RT715_SET_GAIN_LINE2_L, RT715_DIR_IN_SFT, 3, 0, 500 rt715_set_amp_gain_get, rt715_set_amp_gain_put, 501 mic_vol_tlv), 502 }; 503 504 static int rt715_mux_get(struct snd_kcontrol *kcontrol, 505 struct snd_ctl_elem_value *ucontrol) 506 { 507 struct snd_soc_component *component = 508 snd_soc_dapm_kcontrol_component(kcontrol); 509 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 510 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 511 unsigned int reg, val; 512 int ret; 513 514 /* nid = e->reg, vid = 0xf01 */ 515 reg = RT715_VERB_SET_CONNECT_SEL | e->reg; 516 ret = regmap_read(rt715->regmap, reg, &val); 517 if (ret < 0) { 518 dev_err(component->dev, "%s: sdw read failed: %d\n", 519 __func__, ret); 520 return ret; 521 } 522 523 /* 524 * The first two indices of ADC Mux 24/25 are routed to the same 525 * hardware source. ie, ADC Mux 24 0/1 will both connect to MIC2. 526 * To have a unique set of inputs, we skip the index1 of the muxes. 527 */ 528 if ((e->reg == RT715_MUX_IN3 || e->reg == RT715_MUX_IN4) && (val > 0)) 529 val -= 1; 530 ucontrol->value.enumerated.item[0] = val; 531 532 return 0; 533 } 534 535 static int rt715_mux_put(struct snd_kcontrol *kcontrol, 536 struct snd_ctl_elem_value *ucontrol) 537 { 538 struct snd_soc_component *component = 539 snd_soc_dapm_kcontrol_component(kcontrol); 540 struct snd_soc_dapm_context *dapm = 541 snd_soc_dapm_kcontrol_dapm(kcontrol); 542 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 543 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 544 unsigned int *item = ucontrol->value.enumerated.item; 545 unsigned int val, val2 = 0, change, reg; 546 int ret; 547 548 if (item[0] >= e->items) 549 return -EINVAL; 550 551 /* Verb ID = 0x701h, nid = e->reg */ 552 val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; 553 554 reg = RT715_VERB_SET_CONNECT_SEL | e->reg; 555 ret = regmap_read(rt715->regmap, reg, &val2); 556 if (ret < 0) { 557 dev_err(component->dev, "%s: sdw read failed: %d\n", 558 __func__, ret); 559 return ret; 560 } 561 562 if (val == val2) 563 change = 0; 564 else 565 change = 1; 566 567 if (change) { 568 reg = RT715_VERB_SET_CONNECT_SEL | e->reg; 569 regmap_write(rt715->regmap, reg, val); 570 } 571 572 snd_soc_dapm_mux_update_power(dapm, kcontrol, 573 item[0], e, NULL); 574 575 return change; 576 } 577 578 static const char * const adc_22_23_mux_text[] = { 579 "MIC1", 580 "MIC2", 581 "LINE1", 582 "LINE2", 583 "DMIC1", 584 "DMIC2", 585 "DMIC3", 586 "DMIC4", 587 }; 588 589 /* 590 * Due to mux design for nid 24 (MUX_IN3)/25 (MUX_IN4), connection index 0 and 591 * 1 will be connected to the same dmic source, therefore we skip index 1 to 592 * avoid misunderstanding on usage of dapm routing. 593 */ 594 static const unsigned int rt715_adc_24_25_values[] = { 595 0, 596 2, 597 3, 598 4, 599 5, 600 }; 601 602 static const char * const adc_24_mux_text[] = { 603 "MIC2", 604 "DMIC1", 605 "DMIC2", 606 "DMIC3", 607 "DMIC4", 608 }; 609 610 static const char * const adc_25_mux_text[] = { 611 "MIC1", 612 "DMIC1", 613 "DMIC2", 614 "DMIC3", 615 "DMIC4", 616 }; 617 618 static SOC_ENUM_SINGLE_DECL( 619 rt715_adc22_enum, RT715_MUX_IN1, 0, adc_22_23_mux_text); 620 621 static SOC_ENUM_SINGLE_DECL( 622 rt715_adc23_enum, RT715_MUX_IN2, 0, adc_22_23_mux_text); 623 624 static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum, 625 RT715_MUX_IN3, 0, 0xf, 626 adc_24_mux_text, rt715_adc_24_25_values); 627 628 static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum, 629 RT715_MUX_IN4, 0, 0xf, 630 adc_25_mux_text, rt715_adc_24_25_values); 631 632 static const struct snd_kcontrol_new rt715_adc22_mux = 633 SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt715_adc22_enum, 634 rt715_mux_get, rt715_mux_put); 635 636 static const struct snd_kcontrol_new rt715_adc23_mux = 637 SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum, 638 rt715_mux_get, rt715_mux_put); 639 640 static const struct snd_kcontrol_new rt715_adc24_mux = 641 SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum, 642 rt715_mux_get, rt715_mux_put); 643 644 static const struct snd_kcontrol_new rt715_adc25_mux = 645 SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum, 646 rt715_mux_get, rt715_mux_put); 647 648 static const struct snd_soc_dapm_widget rt715_dapm_widgets[] = { 649 SND_SOC_DAPM_INPUT("DMIC1"), 650 SND_SOC_DAPM_INPUT("DMIC2"), 651 SND_SOC_DAPM_INPUT("DMIC3"), 652 SND_SOC_DAPM_INPUT("DMIC4"), 653 SND_SOC_DAPM_INPUT("MIC1"), 654 SND_SOC_DAPM_INPUT("MIC2"), 655 SND_SOC_DAPM_INPUT("LINE1"), 656 SND_SOC_DAPM_INPUT("LINE2"), 657 SND_SOC_DAPM_ADC("ADC 07", NULL, RT715_SET_STREAMID_MIC_ADC, 4, 0), 658 SND_SOC_DAPM_ADC("ADC 08", NULL, RT715_SET_STREAMID_LINE_ADC, 4, 0), 659 SND_SOC_DAPM_ADC("ADC 09", NULL, RT715_SET_STREAMID_MIX_ADC, 4, 0), 660 SND_SOC_DAPM_ADC("ADC 27", NULL, RT715_SET_STREAMID_MIX_ADC2, 4, 0), 661 SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0, 662 &rt715_adc22_mux), 663 SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0, 664 &rt715_adc23_mux), 665 SND_SOC_DAPM_MUX("ADC 24 Mux", SND_SOC_NOPM, 0, 0, 666 &rt715_adc24_mux), 667 SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0, 668 &rt715_adc25_mux), 669 SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0), 670 SND_SOC_DAPM_AIF_OUT("DP6TX", "DP6 Capture", 0, SND_SOC_NOPM, 0, 0), 671 }; 672 673 static const struct snd_soc_dapm_route rt715_audio_map[] = { 674 {"DP6TX", NULL, "ADC 09"}, 675 {"DP6TX", NULL, "ADC 08"}, 676 {"DP4TX", NULL, "ADC 07"}, 677 {"DP4TX", NULL, "ADC 27"}, 678 {"ADC 09", NULL, "ADC 22 Mux"}, 679 {"ADC 08", NULL, "ADC 23 Mux"}, 680 {"ADC 07", NULL, "ADC 24 Mux"}, 681 {"ADC 27", NULL, "ADC 25 Mux"}, 682 {"ADC 22 Mux", "MIC1", "MIC1"}, 683 {"ADC 22 Mux", "MIC2", "MIC2"}, 684 {"ADC 22 Mux", "LINE1", "LINE1"}, 685 {"ADC 22 Mux", "LINE2", "LINE2"}, 686 {"ADC 22 Mux", "DMIC1", "DMIC1"}, 687 {"ADC 22 Mux", "DMIC2", "DMIC2"}, 688 {"ADC 22 Mux", "DMIC3", "DMIC3"}, 689 {"ADC 22 Mux", "DMIC4", "DMIC4"}, 690 {"ADC 23 Mux", "MIC1", "MIC1"}, 691 {"ADC 23 Mux", "MIC2", "MIC2"}, 692 {"ADC 23 Mux", "LINE1", "LINE1"}, 693 {"ADC 23 Mux", "LINE2", "LINE2"}, 694 {"ADC 23 Mux", "DMIC1", "DMIC1"}, 695 {"ADC 23 Mux", "DMIC2", "DMIC2"}, 696 {"ADC 23 Mux", "DMIC3", "DMIC3"}, 697 {"ADC 23 Mux", "DMIC4", "DMIC4"}, 698 {"ADC 24 Mux", "MIC2", "MIC2"}, 699 {"ADC 24 Mux", "DMIC1", "DMIC1"}, 700 {"ADC 24 Mux", "DMIC2", "DMIC2"}, 701 {"ADC 24 Mux", "DMIC3", "DMIC3"}, 702 {"ADC 24 Mux", "DMIC4", "DMIC4"}, 703 {"ADC 25 Mux", "MIC1", "MIC1"}, 704 {"ADC 25 Mux", "DMIC1", "DMIC1"}, 705 {"ADC 25 Mux", "DMIC2", "DMIC2"}, 706 {"ADC 25 Mux", "DMIC3", "DMIC3"}, 707 {"ADC 25 Mux", "DMIC4", "DMIC4"}, 708 }; 709 710 static int rt715_set_bias_level(struct snd_soc_component *component, 711 enum snd_soc_bias_level level) 712 { 713 struct snd_soc_dapm_context *dapm = 714 snd_soc_component_get_dapm(component); 715 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 716 717 switch (level) { 718 case SND_SOC_BIAS_PREPARE: 719 if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { 720 regmap_write(rt715->regmap, 721 RT715_SET_AUDIO_POWER_STATE, 722 AC_PWRST_D0); 723 msleep(RT715_POWER_UP_DELAY_MS); 724 } 725 break; 726 727 case SND_SOC_BIAS_STANDBY: 728 regmap_write(rt715->regmap, 729 RT715_SET_AUDIO_POWER_STATE, 730 AC_PWRST_D3); 731 break; 732 733 default: 734 break; 735 } 736 dapm->bias_level = level; 737 return 0; 738 } 739 740 static const struct snd_soc_component_driver soc_codec_dev_rt715 = { 741 .set_bias_level = rt715_set_bias_level, 742 .controls = rt715_snd_controls, 743 .num_controls = ARRAY_SIZE(rt715_snd_controls), 744 .dapm_widgets = rt715_dapm_widgets, 745 .num_dapm_widgets = ARRAY_SIZE(rt715_dapm_widgets), 746 .dapm_routes = rt715_audio_map, 747 .num_dapm_routes = ARRAY_SIZE(rt715_audio_map), 748 .endianness = 1, 749 }; 750 751 static int rt715_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream, 752 int direction) 753 { 754 755 struct sdw_stream_data *stream; 756 757 if (!sdw_stream) 758 return 0; 759 760 stream = kzalloc(sizeof(*stream), GFP_KERNEL); 761 if (!stream) 762 return -ENOMEM; 763 764 stream->sdw_stream = sdw_stream; 765 766 /* Use tx_mask or rx_mask to configure stream tag and set dma_data */ 767 if (direction == SNDRV_PCM_STREAM_PLAYBACK) 768 dai->playback_dma_data = stream; 769 else 770 dai->capture_dma_data = stream; 771 772 return 0; 773 } 774 775 static void rt715_shutdown(struct snd_pcm_substream *substream, 776 struct snd_soc_dai *dai) 777 778 { 779 struct sdw_stream_data *stream; 780 781 stream = snd_soc_dai_get_dma_data(dai, substream); 782 snd_soc_dai_set_dma_data(dai, substream, NULL); 783 kfree(stream); 784 } 785 786 static int rt715_pcm_hw_params(struct snd_pcm_substream *substream, 787 struct snd_pcm_hw_params *params, 788 struct snd_soc_dai *dai) 789 { 790 struct snd_soc_component *component = dai->component; 791 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 792 struct sdw_stream_config stream_config; 793 struct sdw_port_config port_config; 794 enum sdw_data_direction direction; 795 struct sdw_stream_data *stream; 796 int retval, port, num_channels; 797 unsigned int val = 0; 798 799 stream = snd_soc_dai_get_dma_data(dai, substream); 800 801 if (!stream) 802 return -EINVAL; 803 804 if (!rt715->slave) 805 return -EINVAL; 806 807 switch (dai->id) { 808 case RT715_AIF1: 809 direction = SDW_DATA_DIR_TX; 810 port = 6; 811 rt715_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa500); 812 break; 813 case RT715_AIF2: 814 direction = SDW_DATA_DIR_TX; 815 port = 4; 816 rt715_index_write(rt715->regmap, RT715_SDW_INPUT_SEL, 0xa000); 817 break; 818 default: 819 dev_err(component->dev, "Invalid DAI id %d\n", dai->id); 820 return -EINVAL; 821 } 822 823 stream_config.frame_rate = params_rate(params); 824 stream_config.ch_count = params_channels(params); 825 stream_config.bps = snd_pcm_format_width(params_format(params)); 826 stream_config.direction = direction; 827 828 num_channels = params_channels(params); 829 port_config.ch_mask = (1 << (num_channels)) - 1; 830 port_config.num = port; 831 832 retval = sdw_stream_add_slave(rt715->slave, &stream_config, 833 &port_config, 1, stream->sdw_stream); 834 if (retval) { 835 dev_err(dai->dev, "Unable to configure port\n"); 836 return retval; 837 } 838 839 switch (params_rate(params)) { 840 /* bit 14 0:48K 1:44.1K */ 841 /* bit 15 Stream Type 0:PCM 1:Non-PCM, should always be PCM */ 842 case 44100: 843 val |= 0x40 << 8; 844 break; 845 case 48000: 846 val |= 0x0 << 8; 847 break; 848 default: 849 dev_err(component->dev, "Unsupported sample rate %d\n", 850 params_rate(params)); 851 return -EINVAL; 852 } 853 854 if (params_channels(params) <= 16) { 855 /* bit 3:0 Number of Channel */ 856 val |= (params_channels(params) - 1); 857 } else { 858 dev_err(component->dev, "Unsupported channels %d\n", 859 params_channels(params)); 860 return -EINVAL; 861 } 862 863 switch (params_width(params)) { 864 /* bit 6:4 Bits per Sample */ 865 case 8: 866 break; 867 case 16: 868 val |= (0x1 << 4); 869 break; 870 case 20: 871 val |= (0x2 << 4); 872 break; 873 case 24: 874 val |= (0x3 << 4); 875 break; 876 case 32: 877 val |= (0x4 << 4); 878 break; 879 default: 880 return -EINVAL; 881 } 882 883 regmap_write(rt715->regmap, RT715_MIC_ADC_FORMAT_H, val); 884 regmap_write(rt715->regmap, RT715_MIC_LINE_FORMAT_H, val); 885 regmap_write(rt715->regmap, RT715_MIX_ADC_FORMAT_H, val); 886 regmap_write(rt715->regmap, RT715_MIX_ADC2_FORMAT_H, val); 887 888 return retval; 889 } 890 891 static int rt715_pcm_hw_free(struct snd_pcm_substream *substream, 892 struct snd_soc_dai *dai) 893 { 894 struct snd_soc_component *component = dai->component; 895 struct rt715_priv *rt715 = snd_soc_component_get_drvdata(component); 896 struct sdw_stream_data *stream = 897 snd_soc_dai_get_dma_data(dai, substream); 898 899 if (!rt715->slave) 900 return -EINVAL; 901 902 sdw_stream_remove_slave(rt715->slave, stream->sdw_stream); 903 return 0; 904 } 905 906 #define RT715_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) 907 #define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ 908 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8) 909 910 static const struct snd_soc_dai_ops rt715_ops = { 911 .hw_params = rt715_pcm_hw_params, 912 .hw_free = rt715_pcm_hw_free, 913 .set_stream = rt715_set_sdw_stream, 914 .shutdown = rt715_shutdown, 915 }; 916 917 static struct snd_soc_dai_driver rt715_dai[] = { 918 { 919 .name = "rt715-aif1", 920 .id = RT715_AIF1, 921 .capture = { 922 .stream_name = "DP6 Capture", 923 .channels_min = 1, 924 .channels_max = 2, 925 .rates = RT715_STEREO_RATES, 926 .formats = RT715_FORMATS, 927 }, 928 .ops = &rt715_ops, 929 }, 930 { 931 .name = "rt715-aif2", 932 .id = RT715_AIF2, 933 .capture = { 934 .stream_name = "DP4 Capture", 935 .channels_min = 1, 936 .channels_max = 2, 937 .rates = RT715_STEREO_RATES, 938 .formats = RT715_FORMATS, 939 }, 940 .ops = &rt715_ops, 941 }, 942 }; 943 944 /* Bus clock frequency */ 945 #define RT715_CLK_FREQ_9600000HZ 9600000 946 #define RT715_CLK_FREQ_12000000HZ 12000000 947 #define RT715_CLK_FREQ_6000000HZ 6000000 948 #define RT715_CLK_FREQ_4800000HZ 4800000 949 #define RT715_CLK_FREQ_2400000HZ 2400000 950 #define RT715_CLK_FREQ_12288000HZ 12288000 951 952 int rt715_clock_config(struct device *dev) 953 { 954 struct rt715_priv *rt715 = dev_get_drvdata(dev); 955 unsigned int clk_freq, value; 956 957 clk_freq = (rt715->params.curr_dr_freq >> 1); 958 959 switch (clk_freq) { 960 case RT715_CLK_FREQ_12000000HZ: 961 value = 0x0; 962 break; 963 case RT715_CLK_FREQ_6000000HZ: 964 value = 0x1; 965 break; 966 case RT715_CLK_FREQ_9600000HZ: 967 value = 0x2; 968 break; 969 case RT715_CLK_FREQ_4800000HZ: 970 value = 0x3; 971 break; 972 case RT715_CLK_FREQ_2400000HZ: 973 value = 0x4; 974 break; 975 case RT715_CLK_FREQ_12288000HZ: 976 value = 0x5; 977 break; 978 default: 979 return -EINVAL; 980 } 981 982 regmap_write(rt715->regmap, 0xe0, value); 983 regmap_write(rt715->regmap, 0xf0, value); 984 985 return 0; 986 } 987 988 int rt715_init(struct device *dev, struct regmap *sdw_regmap, 989 struct regmap *regmap, struct sdw_slave *slave) 990 { 991 struct rt715_priv *rt715; 992 int ret; 993 994 rt715 = devm_kzalloc(dev, sizeof(*rt715), GFP_KERNEL); 995 if (!rt715) 996 return -ENOMEM; 997 998 dev_set_drvdata(dev, rt715); 999 rt715->slave = slave; 1000 rt715->regmap = regmap; 1001 rt715->sdw_regmap = sdw_regmap; 1002 1003 /* 1004 * Mark hw_init to false 1005 * HW init will be performed when device reports present 1006 */ 1007 rt715->hw_init = false; 1008 rt715->first_hw_init = false; 1009 1010 ret = devm_snd_soc_register_component(dev, 1011 &soc_codec_dev_rt715, 1012 rt715_dai, 1013 ARRAY_SIZE(rt715_dai)); 1014 1015 return ret; 1016 } 1017 1018 int rt715_io_init(struct device *dev, struct sdw_slave *slave) 1019 { 1020 struct rt715_priv *rt715 = dev_get_drvdata(dev); 1021 1022 if (rt715->hw_init) 1023 return 0; 1024 1025 /* 1026 * PM runtime is only enabled when a Slave reports as Attached 1027 */ 1028 if (!rt715->first_hw_init) { 1029 /* set autosuspend parameters */ 1030 pm_runtime_set_autosuspend_delay(&slave->dev, 3000); 1031 pm_runtime_use_autosuspend(&slave->dev); 1032 1033 /* update count of parent 'active' children */ 1034 pm_runtime_set_active(&slave->dev); 1035 1036 /* make sure the device does not suspend immediately */ 1037 pm_runtime_mark_last_busy(&slave->dev); 1038 1039 pm_runtime_enable(&slave->dev); 1040 } 1041 1042 pm_runtime_get_noresume(&slave->dev); 1043 1044 /* Mute nid=08h/09h */ 1045 regmap_write(rt715->regmap, RT715_SET_GAIN_LINE_ADC_H, 0xb080); 1046 regmap_write(rt715->regmap, RT715_SET_GAIN_MIX_ADC_H, 0xb080); 1047 /* Mute nid=07h/27h */ 1048 regmap_write(rt715->regmap, RT715_SET_GAIN_MIC_ADC_H, 0xb080); 1049 regmap_write(rt715->regmap, RT715_SET_GAIN_MIX_ADC2_H, 0xb080); 1050 1051 /* Set Pin Widget */ 1052 regmap_write(rt715->regmap, RT715_SET_PIN_DMIC1, 0x20); 1053 regmap_write(rt715->regmap, RT715_SET_PIN_DMIC2, 0x20); 1054 regmap_write(rt715->regmap, RT715_SET_PIN_DMIC3, 0x20); 1055 regmap_write(rt715->regmap, RT715_SET_PIN_DMIC4, 0x20); 1056 /* Set Converter Stream */ 1057 regmap_write(rt715->regmap, RT715_SET_STREAMID_LINE_ADC, 0x10); 1058 regmap_write(rt715->regmap, RT715_SET_STREAMID_MIX_ADC, 0x10); 1059 regmap_write(rt715->regmap, RT715_SET_STREAMID_MIC_ADC, 0x10); 1060 regmap_write(rt715->regmap, RT715_SET_STREAMID_MIX_ADC2, 0x10); 1061 /* Set Configuration Default */ 1062 regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT1, 0xd0); 1063 regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT2, 0x11); 1064 regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT3, 0xa1); 1065 regmap_write(rt715->regmap, RT715_SET_DMIC1_CONFIG_DEFAULT4, 0x81); 1066 regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT1, 0xd1); 1067 regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT2, 0x11); 1068 regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT3, 0xa1); 1069 regmap_write(rt715->regmap, RT715_SET_DMIC2_CONFIG_DEFAULT4, 0x81); 1070 regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT1, 0xd0); 1071 regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT2, 0x11); 1072 regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT3, 0xa1); 1073 regmap_write(rt715->regmap, RT715_SET_DMIC3_CONFIG_DEFAULT4, 0x81); 1074 regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT1, 0xd1); 1075 regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT2, 0x11); 1076 regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT3, 0xa1); 1077 regmap_write(rt715->regmap, RT715_SET_DMIC4_CONFIG_DEFAULT4, 0x81); 1078 1079 /* Finish Initial Settings, set power to D3 */ 1080 regmap_write(rt715->regmap, RT715_SET_AUDIO_POWER_STATE, AC_PWRST_D3); 1081 1082 if (rt715->first_hw_init) 1083 regcache_mark_dirty(rt715->regmap); 1084 else 1085 rt715->first_hw_init = true; 1086 1087 /* Mark Slave initialization complete */ 1088 rt715->hw_init = true; 1089 1090 pm_runtime_mark_last_busy(&slave->dev); 1091 pm_runtime_put_autosuspend(&slave->dev); 1092 1093 return 0; 1094 } 1095 1096 MODULE_DESCRIPTION("ASoC rt715 driver"); 1097 MODULE_DESCRIPTION("ASoC rt715 driver SDW"); 1098 MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>"); 1099 MODULE_LICENSE("GPL v2"); 1100