On 29/07/2023 11:12, wangweidong.a@xxxxxxxxxx wrote: > From: Weidong Wang <wangweidong.a@xxxxxxxxxx> > > Add i2c and amplifier registration for > aw88261 and their associated operation functions. > > Signed-off-by: Weidong Wang <wangweidong.a@xxxxxxxxxx> > --- > sound/soc/codecs/aw88261/aw88261.c | 517 +++++++++++++++++++++++++++++ > sound/soc/codecs/aw88261/aw88261.h | 52 +++ > 2 files changed, 569 insertions(+) > create mode 100644 sound/soc/codecs/aw88261/aw88261.c > create mode 100644 sound/soc/codecs/aw88261/aw88261.h > > + > +static int aw88261_request_firmware_file(struct aw88261 *aw88261) > +{ > + const struct firmware *cont = NULL; > + int ret; > + > + aw88261->aw_pa->aw88261_base->fw_status = AW88261_DEV_FW_FAILED; > + > + ret = request_firmware(&cont, AW88261_ACF_FILE, aw88261->aw_pa->dev); > + if (ret < 0) { > + dev_err_probe(aw88261->aw_pa->dev, ret, "load [%s] failed!", AW88261_ACF_FILE); > + return ret; That's not how you use dev_err_probe. Instead: return dev_err_probe > + } > + > + dev_info(aw88261->aw_pa->dev, "loaded %s - size: %zu\n", > + AW88261_ACF_FILE, cont ? cont->size : 0); > + > + aw88261->aw_cfg = devm_kzalloc(aw88261->aw_pa->dev, cont->size + sizeof(int), GFP_KERNEL); > + if (!aw88261->aw_cfg) { > + release_firmware(cont); > + return -ENOMEM; > + } > + aw88261->aw_cfg->len = (int)cont->size; > + memcpy(aw88261->aw_cfg->data, cont->data, cont->size); > + release_firmware(cont); > + > + ret = aw88395_dev_load_acf_check(aw88261->aw_pa->aw88261_base, aw88261->aw_cfg); > + if (ret < 0) { > + dev_err_probe(aw88261->aw_pa->dev, ret, "load [%s] failed !", AW88261_ACF_FILE); > + return ret; return dev_err_probe > + } > + > + mutex_lock(&aw88261->lock); > + /* aw device init */ > + ret = aw88261_dev_init(aw88261->aw_pa, aw88261->aw_cfg); > + if (ret < 0) > + dev_err(aw88261->aw_pa->dev, "dev init failed"); > + mutex_unlock(&aw88261->lock); > + > + return ret; > +} > + > +static int aw88261_codec_probe(struct snd_soc_component *component) > +{ > + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); > + struct aw88261 *aw88261 = snd_soc_component_get_drvdata(component); > + int ret; > + > + INIT_DELAYED_WORK(&aw88261->start_work, aw88261_startup_work); > + > + ret = aw88261_request_firmware_file(aw88261); > + if (ret < 0) { > + dev_err_probe(aw88261->aw_pa->dev, ret, "aw88261_request_firmware_file failed\n"); > + return ret; return dev_err_probe > + } > + > + /* add widgets */ > + ret = snd_soc_dapm_new_controls(dapm, aw88261_dapm_widgets, > + ARRAY_SIZE(aw88261_dapm_widgets)); > + if (ret < 0) > + return ret; > + > + /* add route */ > + ret = snd_soc_dapm_add_routes(dapm, aw88261_audio_map, > + ARRAY_SIZE(aw88261_audio_map)); > + if (ret < 0) > + return ret; > + > + ret = snd_soc_add_component_controls(component, aw88261_controls, > + ARRAY_SIZE(aw88261_controls)); > + > + return ret; > +} > + > +static void aw88261_codec_remove(struct snd_soc_component *aw_codec) > +{ > + struct aw88261 *aw88261 = snd_soc_component_get_drvdata(aw_codec); > + > + cancel_delayed_work_sync(&aw88261->start_work); > +} > + > +static const struct snd_soc_component_driver soc_codec_dev_aw88261 = { > + .probe = aw88261_codec_probe, > + .remove = aw88261_codec_remove, > +}; > + > +static void aw88261_hw_reset(struct aw88261 *aw88261) > +{ > + gpiod_set_value_cansleep(aw88261->reset_gpio, 0); > + usleep_range(AW88261_1000_US, AW88261_1000_US + 10); > + gpiod_set_value_cansleep(aw88261->reset_gpio, 1); > + usleep_range(AW88261_1000_US, AW88261_1000_US + 10); > +} > + > +static int aw88261_i2c_probe(struct i2c_client *i2c) > +{ > + struct aw88261 *aw88261; > + int ret; > + > + ret = i2c_check_functionality(i2c->adapter, I2C_FUNC_I2C); > + if (!ret) { > + dev_err_probe(&i2c->dev, ret, "check_functionality failed"); > + return -ENXIO; return dev_err_probe > + } > + > + aw88261 = devm_kzalloc(&i2c->dev, sizeof(struct aw88261), GFP_KERNEL); sizeof(*) > + if (!aw88261) > + return -ENOMEM; > + > + mutex_init(&aw88261->lock); > + > + i2c_set_clientdata(i2c, aw88261); > + > + aw88261->reset_gpio = devm_gpiod_get_optional(&i2c->dev, "reset", GPIOD_OUT_LOW); > + if (IS_ERR(aw88261->reset_gpio)) > + dev_info(&i2c->dev, "reset gpio not defined\n"); > + else > + aw88261_hw_reset(aw88261); > + > + aw88261->regmap = devm_regmap_init_i2c(i2c, &aw88261_remap_config); > + if (IS_ERR(aw88261->regmap)) { > + ret = PTR_ERR(aw88261->regmap); > + dev_err_probe(&i2c->dev, ret, "failed to init regmap: %d\n", ret); > + return ret; return dev_err_probe I asked you about this in your first version. I explicitly wrote "return dev_err_probe", not some other syntax. Best regards, Krzysztof