diff options
Diffstat (limited to 'sound/soc/codecs/max98390.c')
| -rw-r--r-- | sound/soc/codecs/max98390.c | 110 |
1 files changed, 61 insertions, 49 deletions
diff --git a/sound/soc/codecs/max98390.c b/sound/soc/codecs/max98390.c index d1882cbc9381..7a5260ff8d6b 100644 --- a/sound/soc/codecs/max98390.c +++ b/sound/soc/codecs/max98390.c @@ -10,7 +10,7 @@ #include <linux/cdev.h> #include <linux/dmi.h> #include <linux/firmware.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/of_gpio.h> @@ -161,8 +161,6 @@ static struct reg_default max98390_reg_defaults[] = { {MAX98390_R23FF_GLOBAL_EN, 0x00}, }; -static int max98390_dsm_calibrate(struct snd_soc_component *component); - static int max98390_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_component *component = codec_dai->component; @@ -174,12 +172,12 @@ static int max98390_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt); - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: + switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { + case SND_SOC_DAIFMT_CBC_CFC: mode = MAX98390_PCM_MASTER_MODE_SLAVE; break; - case SND_SOC_DAIFMT_CBM_CFM: - max98390->master = true; + case SND_SOC_DAIFMT_CBP_CFP: + max98390->provider = true; mode = MAX98390_PCM_MASTER_MODE_MASTER; break; default: @@ -265,7 +263,7 @@ static int max98390_set_clock(struct snd_soc_component *component, * snd_pcm_format_width(params_format(params)); int value; - if (max98390->master) { + if (max98390->provider) { int i; /* match rate to closest value */ for (i = 0; i < ARRAY_SIZE(rate_table); i++) { @@ -635,10 +633,48 @@ static int max98390_dsm_calib_get(struct snd_kcontrol *kcontrol, static int max98390_dsm_calib_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_component *component = - snd_soc_kcontrol_component(kcontrol); + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct max98390_priv *max98390 = snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + unsigned int rdc, rdc_cal_result, rdc_integer, rdc_factor, temp, val; + + snd_soc_dapm_mutex_lock(dapm); + + regmap_read(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, &val); + if (!val) { + /* Enable the codec for the duration of calibration readout */ + regmap_update_bits(max98390->regmap, MAX98390_R203A_AMP_EN, + MAX98390_AMP_EN_MASK, 1); + regmap_update_bits(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, + MAX98390_GLOBAL_EN_MASK, 1); + } + + regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE1, &rdc); + regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE0, &rdc_cal_result); + regmap_read(max98390->regmap, MAX98390_MEAS_ADC_CH2_READ, &temp); + + if (!val) { + /* Disable the codec if it was disabled */ + regmap_update_bits(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, + MAX98390_GLOBAL_EN_MASK, 0); + regmap_update_bits(max98390->regmap, MAX98390_R203A_AMP_EN, + MAX98390_AMP_EN_MASK, 0); + } + + snd_soc_dapm_mutex_unlock(dapm); + + rdc_cal_result |= (rdc << 8) & 0x0000FFFF; + if (rdc_cal_result) + max98390->ref_rdc_value = 268435456U / rdc_cal_result; - max98390_dsm_calibrate(component); + max98390->ambient_temp_value = temp * 52 - 1188; + + rdc_integer = rdc_cal_result * 937 / 65536; + rdc_factor = ((rdc_cal_result * 937 * 100) / 65536) - (rdc_integer * 100); + + dev_info(component->dev, + "rdc resistance about %d.%02d ohm, reg=0x%X temp reg=0x%X\n", + rdc_integer, rdc_factor, rdc_cal_result, temp); return 0; } @@ -819,40 +855,6 @@ err: return ret; } -static int max98390_dsm_calibrate(struct snd_soc_component *component) -{ - unsigned int rdc, rdc_cal_result, temp; - unsigned int rdc_integer, rdc_factor; - struct max98390_priv *max98390 = - snd_soc_component_get_drvdata(component); - - regmap_write(max98390->regmap, MAX98390_R203A_AMP_EN, 0x81); - regmap_write(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, 0x01); - - regmap_read(max98390->regmap, - THERMAL_RDC_RD_BACK_BYTE1, &rdc); - regmap_read(max98390->regmap, - THERMAL_RDC_RD_BACK_BYTE0, &rdc_cal_result); - rdc_cal_result |= (rdc << 8) & 0x0000FFFF; - if (rdc_cal_result) - max98390->ref_rdc_value = 268435456U / rdc_cal_result; - - regmap_read(max98390->regmap, MAX98390_MEAS_ADC_CH2_READ, &temp); - max98390->ambient_temp_value = temp * 52 - 1188; - - rdc_integer = rdc_cal_result * 937 / 65536; - rdc_factor = ((rdc_cal_result * 937 * 100) / 65536) - - (rdc_integer * 100); - - dev_info(component->dev, "rdc resistance about %d.%02d ohm, reg=0x%X temp reg=0x%X\n", - rdc_integer, rdc_factor, rdc_cal_result, temp); - - regmap_write(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, 0x00); - regmap_write(max98390->regmap, MAX98390_R203A_AMP_EN, 0x80); - - return 0; -} - static void max98390_init_regs(struct snd_soc_component *component) { struct max98390_priv *max98390 = @@ -983,7 +985,6 @@ static const struct snd_soc_component_driver soc_codec_dev_max98390 = { .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, - .non_legacy_dai_naming = 1, }; static const struct regmap_config max98390_regmap = { @@ -1014,14 +1015,14 @@ static void max98390_slot_config(struct i2c_client *i2c, max98390->i_l_slot = 1; } -static int max98390_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static int max98390_i2c_probe(struct i2c_client *i2c) { int ret = 0; int reg = 0; struct max98390_priv *max98390 = NULL; struct i2c_adapter *adapter = i2c->adapter; + struct gpio_desc *reset_gpio; ret = i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE @@ -1073,6 +1074,17 @@ static int max98390_i2c_probe(struct i2c_client *i2c, return ret; } + reset_gpio = devm_gpiod_get_optional(&i2c->dev, + "reset", GPIOD_OUT_HIGH); + + /* Power on device */ + if (reset_gpio) { + usleep_range(1000, 2000); + /* bring out of reset */ + gpiod_set_value_cansleep(reset_gpio, 0); + usleep_range(1000, 2000); + } + /* Check Revision ID */ ret = regmap_read(max98390->regmap, MAX98390_R24FF_REV_ID, ®); @@ -1121,7 +1133,7 @@ static struct i2c_driver max98390_i2c_driver = { .acpi_match_table = ACPI_PTR(max98390_acpi_match), .pm = &max98390_pm, }, - .probe = max98390_i2c_probe, + .probe_new = max98390_i2c_probe, .id_table = max98390_i2c_id, }; |