diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/iio/health/afe4404.c | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'drivers/iio/health/afe4404.c')
-rw-r--r-- | drivers/iio/health/afe4404.c | 308 |
1 files changed, 133 insertions, 175 deletions
diff --git a/drivers/iio/health/afe4404.c b/drivers/iio/health/afe4404.c index 5096a4643..45266404f 100644 --- a/drivers/iio/health/afe4404.c +++ b/drivers/iio/health/afe4404.c @@ -1,7 +1,7 @@ /* * AFE4404 Heart Rate Monitors and Low-Cost Pulse Oximeters * - * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/ * Andrew F. Davis <afd@ti.com> * * This program is free software; you can redistribute it and/or modify @@ -48,118 +48,102 @@ #define AFE4404_AVG_LED2_ALED2VAL 0x3f #define AFE4404_AVG_LED1_ALED1VAL 0x40 -/* AFE4404 GAIN register fields */ -#define AFE4404_TIA_GAIN_RES_MASK GENMASK(2, 0) -#define AFE4404_TIA_GAIN_RES_SHIFT 0 -#define AFE4404_TIA_GAIN_CAP_MASK GENMASK(5, 3) -#define AFE4404_TIA_GAIN_CAP_SHIFT 3 +/* AFE4404 CONTROL2 register fields */ +#define AFE440X_CONTROL2_OSC_ENABLE BIT(9) -/* AFE4404 LEDCNTRL register fields */ -#define AFE4404_LEDCNTRL_ILED1_MASK GENMASK(5, 0) -#define AFE4404_LEDCNTRL_ILED1_SHIFT 0 -#define AFE4404_LEDCNTRL_ILED2_MASK GENMASK(11, 6) -#define AFE4404_LEDCNTRL_ILED2_SHIFT 6 -#define AFE4404_LEDCNTRL_ILED3_MASK GENMASK(17, 12) -#define AFE4404_LEDCNTRL_ILED3_SHIFT 12 +enum afe4404_fields { + /* Gains */ + F_TIA_GAIN_SEP, F_TIA_CF_SEP, + F_TIA_GAIN, TIA_CF, -/* AFE4404 CONTROL2 register fields */ -#define AFE440X_CONTROL2_ILED_2X_MASK BIT(17) -#define AFE440X_CONTROL2_ILED_2X_SHIFT 17 - -/* AFE4404 CONTROL3 register fields */ -#define AFE440X_CONTROL3_OSC_ENABLE BIT(9) - -/* AFE4404 OFFDAC register current fields */ -#define AFE4404_OFFDAC_CURR_LED1_MASK GENMASK(9, 5) -#define AFE4404_OFFDAC_CURR_LED1_SHIFT 5 -#define AFE4404_OFFDAC_CURR_LED2_MASK GENMASK(19, 15) -#define AFE4404_OFFDAC_CURR_LED2_SHIFT 15 -#define AFE4404_OFFDAC_CURR_LED3_MASK GENMASK(4, 0) -#define AFE4404_OFFDAC_CURR_LED3_SHIFT 0 -#define AFE4404_OFFDAC_CURR_ALED1_MASK GENMASK(14, 10) -#define AFE4404_OFFDAC_CURR_ALED1_SHIFT 10 -#define AFE4404_OFFDAC_CURR_ALED2_MASK GENMASK(4, 0) -#define AFE4404_OFFDAC_CURR_ALED2_SHIFT 0 - -/* AFE4404 NULL fields */ -#define NULL_MASK 0 -#define NULL_SHIFT 0 - -/* AFE4404 TIA_GAIN_CAP values */ -#define AFE4404_TIA_GAIN_CAP_5_P 0x0 -#define AFE4404_TIA_GAIN_CAP_2_5_P 0x1 -#define AFE4404_TIA_GAIN_CAP_10_P 0x2 -#define AFE4404_TIA_GAIN_CAP_7_5_P 0x3 -#define AFE4404_TIA_GAIN_CAP_20_P 0x4 -#define AFE4404_TIA_GAIN_CAP_17_5_P 0x5 -#define AFE4404_TIA_GAIN_CAP_25_P 0x6 -#define AFE4404_TIA_GAIN_CAP_22_5_P 0x7 - -/* AFE4404 TIA_GAIN_RES values */ -#define AFE4404_TIA_GAIN_RES_500_K 0x0 -#define AFE4404_TIA_GAIN_RES_250_K 0x1 -#define AFE4404_TIA_GAIN_RES_100_K 0x2 -#define AFE4404_TIA_GAIN_RES_50_K 0x3 -#define AFE4404_TIA_GAIN_RES_25_K 0x4 -#define AFE4404_TIA_GAIN_RES_10_K 0x5 -#define AFE4404_TIA_GAIN_RES_1_M 0x6 -#define AFE4404_TIA_GAIN_RES_2_M 0x7 + /* LED Current */ + F_ILED1, F_ILED2, F_ILED3, + + /* Offset DAC */ + F_OFFDAC_AMB2, F_OFFDAC_LED1, F_OFFDAC_AMB1, F_OFFDAC_LED2, + + /* sentinel */ + F_MAX_FIELDS +}; + +static const struct reg_field afe4404_reg_fields[] = { + /* Gains */ + [F_TIA_GAIN_SEP] = REG_FIELD(AFE4404_TIA_GAIN_SEP, 0, 2), + [F_TIA_CF_SEP] = REG_FIELD(AFE4404_TIA_GAIN_SEP, 3, 5), + [F_TIA_GAIN] = REG_FIELD(AFE4404_TIA_GAIN, 0, 2), + [TIA_CF] = REG_FIELD(AFE4404_TIA_GAIN, 3, 5), + /* LED Current */ + [F_ILED1] = REG_FIELD(AFE440X_LEDCNTRL, 0, 5), + [F_ILED2] = REG_FIELD(AFE440X_LEDCNTRL, 6, 11), + [F_ILED3] = REG_FIELD(AFE440X_LEDCNTRL, 12, 17), + /* Offset DAC */ + [F_OFFDAC_AMB2] = REG_FIELD(AFE4404_OFFDAC, 0, 4), + [F_OFFDAC_LED1] = REG_FIELD(AFE4404_OFFDAC, 5, 9), + [F_OFFDAC_AMB1] = REG_FIELD(AFE4404_OFFDAC, 10, 14), + [F_OFFDAC_LED2] = REG_FIELD(AFE4404_OFFDAC, 15, 19), +}; /** - * struct afe4404_data - * @dev - Device structure - * @regmap - Register map of the device - * @regulator - Pointer to the regulator for the IC - * @trig - IIO trigger for this device - * @irq - ADC_RDY line interrupt number + * struct afe4404_data - AFE4404 device instance data + * @dev: Device structure + * @regmap: Register map of the device + * @fields: Register fields of the device + * @regulator: Pointer to the regulator for the IC + * @trig: IIO trigger for this device + * @irq: ADC_RDY line interrupt number */ struct afe4404_data { struct device *dev; struct regmap *regmap; + struct regmap_field *fields[F_MAX_FIELDS]; struct regulator *regulator; struct iio_trigger *trig; int irq; }; enum afe4404_chan_id { + LED2 = 1, + ALED2, LED1, ALED1, - LED2, - ALED2, - LED3, - LED1_ALED1, LED2_ALED2, - ILED1, - ILED2, - ILED3, + LED1_ALED1, +}; + +static const unsigned int afe4404_channel_values[] = { + [LED2] = AFE440X_LED2VAL, + [ALED2] = AFE440X_ALED2VAL, + [LED1] = AFE440X_LED1VAL, + [ALED1] = AFE440X_ALED1VAL, + [LED2_ALED2] = AFE440X_LED2_ALED2VAL, + [LED1_ALED1] = AFE440X_LED1_ALED1VAL, }; -static const struct afe440x_reg_info afe4404_reg_info[] = { - [LED1] = AFE440X_REG_INFO(AFE440X_LED1VAL, AFE4404_OFFDAC, AFE4404_OFFDAC_CURR_LED1), - [ALED1] = AFE440X_REG_INFO(AFE440X_ALED1VAL, AFE4404_OFFDAC, AFE4404_OFFDAC_CURR_ALED1), - [LED2] = AFE440X_REG_INFO(AFE440X_LED2VAL, AFE4404_OFFDAC, AFE4404_OFFDAC_CURR_LED2), - [ALED2] = AFE440X_REG_INFO(AFE440X_ALED2VAL, AFE4404_OFFDAC, AFE4404_OFFDAC_CURR_ALED2), - [LED3] = AFE440X_REG_INFO(AFE440X_ALED2VAL, 0, NULL), - [LED1_ALED1] = AFE440X_REG_INFO(AFE440X_LED1_ALED1VAL, 0, NULL), - [LED2_ALED2] = AFE440X_REG_INFO(AFE440X_LED2_ALED2VAL, 0, NULL), - [ILED1] = AFE440X_REG_INFO(AFE440X_LEDCNTRL, 0, AFE4404_LEDCNTRL_ILED1), - [ILED2] = AFE440X_REG_INFO(AFE440X_LEDCNTRL, 0, AFE4404_LEDCNTRL_ILED2), - [ILED3] = AFE440X_REG_INFO(AFE440X_LEDCNTRL, 0, AFE4404_LEDCNTRL_ILED3), +static const unsigned int afe4404_channel_leds[] = { + [LED2] = F_ILED2, + [ALED2] = F_ILED3, + [LED1] = F_ILED1, +}; + +static const unsigned int afe4404_channel_offdacs[] = { + [LED2] = F_OFFDAC_LED2, + [ALED2] = F_OFFDAC_AMB2, + [LED1] = F_OFFDAC_LED1, + [ALED1] = F_OFFDAC_AMB1, }; static const struct iio_chan_spec afe4404_channels[] = { /* ADC values */ - AFE440X_INTENSITY_CHAN(LED1, "led1", BIT(IIO_CHAN_INFO_OFFSET)), - AFE440X_INTENSITY_CHAN(ALED1, "led1_ambient", BIT(IIO_CHAN_INFO_OFFSET)), - AFE440X_INTENSITY_CHAN(LED2, "led2", BIT(IIO_CHAN_INFO_OFFSET)), - AFE440X_INTENSITY_CHAN(ALED2, "led2_ambient", BIT(IIO_CHAN_INFO_OFFSET)), - AFE440X_INTENSITY_CHAN(LED3, "led3", BIT(IIO_CHAN_INFO_OFFSET)), - AFE440X_INTENSITY_CHAN(LED1_ALED1, "led1-led1_ambient", 0), - AFE440X_INTENSITY_CHAN(LED2_ALED2, "led2-led2_ambient", 0), + AFE440X_INTENSITY_CHAN(LED2, BIT(IIO_CHAN_INFO_OFFSET)), + AFE440X_INTENSITY_CHAN(ALED2, BIT(IIO_CHAN_INFO_OFFSET)), + AFE440X_INTENSITY_CHAN(LED1, BIT(IIO_CHAN_INFO_OFFSET)), + AFE440X_INTENSITY_CHAN(ALED1, BIT(IIO_CHAN_INFO_OFFSET)), + AFE440X_INTENSITY_CHAN(LED2_ALED2, 0), + AFE440X_INTENSITY_CHAN(LED1_ALED1, 0), /* LED current */ - AFE440X_CURRENT_CHAN(ILED1, "led1"), - AFE440X_CURRENT_CHAN(ILED2, "led2"), - AFE440X_CURRENT_CHAN(ILED3, "led3"), + AFE440X_CURRENT_CHAN(LED2), + AFE440X_CURRENT_CHAN(ALED2), + AFE440X_CURRENT_CHAN(LED1), }; static const struct afe440x_val_table afe4404_res_table[] = { @@ -172,7 +156,7 @@ static const struct afe440x_val_table afe4404_res_table[] = { { .integer = 1000000, .fract = 0 }, { .integer = 2000000, .fract = 0 }, }; -AFE440X_TABLE_ATTR(tia_resistance_available, afe4404_res_table); +AFE440X_TABLE_ATTR(in_intensity_resistance_available, afe4404_res_table); static const struct afe440x_val_table afe4404_cap_table[] = { { .integer = 0, .fract = 5000 }, @@ -184,7 +168,7 @@ static const struct afe440x_val_table afe4404_cap_table[] = { { .integer = 0, .fract = 25000 }, { .integer = 0, .fract = 22500 }, }; -AFE440X_TABLE_ATTR(tia_capacitance_available, afe4404_cap_table); +AFE440X_TABLE_ATTR(in_intensity_capacitance_available, afe4404_cap_table); static ssize_t afe440x_show_register(struct device *dev, struct device_attribute *attr, @@ -193,38 +177,21 @@ static ssize_t afe440x_show_register(struct device *dev, struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct afe4404_data *afe = iio_priv(indio_dev); struct afe440x_attr *afe440x_attr = to_afe440x_attr(attr); - unsigned int reg_val, type; + unsigned int reg_val; int vals[2]; - int ret, val_len; + int ret; - ret = regmap_read(afe->regmap, afe440x_attr->reg, ®_val); + ret = regmap_field_read(afe->fields[afe440x_attr->field], ®_val); if (ret) return ret; - reg_val &= afe440x_attr->mask; - reg_val >>= afe440x_attr->shift; - - switch (afe440x_attr->type) { - case SIMPLE: - type = IIO_VAL_INT; - val_len = 1; - vals[0] = reg_val; - break; - case RESISTANCE: - case CAPACITANCE: - type = IIO_VAL_INT_PLUS_MICRO; - val_len = 2; - if (reg_val < afe440x_attr->table_size) { - vals[0] = afe440x_attr->val_table[reg_val].integer; - vals[1] = afe440x_attr->val_table[reg_val].fract; - break; - } - return -EINVAL; - default: + if (reg_val >= afe440x_attr->table_size) return -EINVAL; - } - return iio_format_value(buf, type, val_len, vals); + vals[0] = afe440x_attr->val_table[reg_val].integer; + vals[1] = afe440x_attr->val_table[reg_val].fract; + + return iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, vals); } static ssize_t afe440x_store_register(struct device *dev, @@ -240,48 +207,43 @@ static ssize_t afe440x_store_register(struct device *dev, if (ret) return ret; - switch (afe440x_attr->type) { - case SIMPLE: - val = integer; - break; - case RESISTANCE: - case CAPACITANCE: - for (val = 0; val < afe440x_attr->table_size; val++) - if (afe440x_attr->val_table[val].integer == integer && - afe440x_attr->val_table[val].fract == fract) - break; - if (val == afe440x_attr->table_size) - return -EINVAL; - break; - default: + for (val = 0; val < afe440x_attr->table_size; val++) + if (afe440x_attr->val_table[val].integer == integer && + afe440x_attr->val_table[val].fract == fract) + break; + if (val == afe440x_attr->table_size) return -EINVAL; - } - ret = regmap_update_bits(afe->regmap, afe440x_attr->reg, - afe440x_attr->mask, - (val << afe440x_attr->shift)); + ret = regmap_field_write(afe->fields[afe440x_attr->field], val); if (ret) return ret; return count; } -static AFE440X_ATTR(tia_separate_en, AFE4404_TIA_GAIN_SEP, AFE440X_TIAGAIN_ENSEPGAIN, SIMPLE, NULL, 0); +static AFE440X_ATTR(in_intensity1_resistance, F_TIA_GAIN_SEP, afe4404_res_table); +static AFE440X_ATTR(in_intensity1_capacitance, F_TIA_CF_SEP, afe4404_cap_table); + +static AFE440X_ATTR(in_intensity2_resistance, F_TIA_GAIN_SEP, afe4404_res_table); +static AFE440X_ATTR(in_intensity2_capacitance, F_TIA_CF_SEP, afe4404_cap_table); -static AFE440X_ATTR(tia_resistance1, AFE4404_TIA_GAIN, AFE4404_TIA_GAIN_RES, RESISTANCE, afe4404_res_table, ARRAY_SIZE(afe4404_res_table)); -static AFE440X_ATTR(tia_capacitance1, AFE4404_TIA_GAIN, AFE4404_TIA_GAIN_CAP, CAPACITANCE, afe4404_cap_table, ARRAY_SIZE(afe4404_cap_table)); +static AFE440X_ATTR(in_intensity3_resistance, F_TIA_GAIN, afe4404_res_table); +static AFE440X_ATTR(in_intensity3_capacitance, TIA_CF, afe4404_cap_table); -static AFE440X_ATTR(tia_resistance2, AFE4404_TIA_GAIN_SEP, AFE4404_TIA_GAIN_RES, RESISTANCE, afe4404_res_table, ARRAY_SIZE(afe4404_res_table)); -static AFE440X_ATTR(tia_capacitance2, AFE4404_TIA_GAIN_SEP, AFE4404_TIA_GAIN_CAP, CAPACITANCE, afe4404_cap_table, ARRAY_SIZE(afe4404_cap_table)); +static AFE440X_ATTR(in_intensity4_resistance, F_TIA_GAIN, afe4404_res_table); +static AFE440X_ATTR(in_intensity4_capacitance, TIA_CF, afe4404_cap_table); static struct attribute *afe440x_attributes[] = { - &afe440x_attr_tia_separate_en.dev_attr.attr, - &afe440x_attr_tia_resistance1.dev_attr.attr, - &afe440x_attr_tia_capacitance1.dev_attr.attr, - &afe440x_attr_tia_resistance2.dev_attr.attr, - &afe440x_attr_tia_capacitance2.dev_attr.attr, - &dev_attr_tia_resistance_available.attr, - &dev_attr_tia_capacitance_available.attr, + &dev_attr_in_intensity_resistance_available.attr, + &dev_attr_in_intensity_capacitance_available.attr, + &afe440x_attr_in_intensity1_resistance.dev_attr.attr, + &afe440x_attr_in_intensity1_capacitance.dev_attr.attr, + &afe440x_attr_in_intensity2_resistance.dev_attr.attr, + &afe440x_attr_in_intensity2_capacitance.dev_attr.attr, + &afe440x_attr_in_intensity3_resistance.dev_attr.attr, + &afe440x_attr_in_intensity3_capacitance.dev_attr.attr, + &afe440x_attr_in_intensity4_resistance.dev_attr.attr, + &afe440x_attr_in_intensity4_capacitance.dev_attr.attr, NULL }; @@ -294,35 +256,32 @@ static int afe4404_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { struct afe4404_data *afe = iio_priv(indio_dev); - const struct afe440x_reg_info reg_info = afe4404_reg_info[chan->address]; + unsigned int value_reg = afe4404_channel_values[chan->address]; + unsigned int led_field = afe4404_channel_leds[chan->address]; + unsigned int offdac_field = afe4404_channel_offdacs[chan->address]; int ret; switch (chan->type) { case IIO_INTENSITY: switch (mask) { case IIO_CHAN_INFO_RAW: - ret = regmap_read(afe->regmap, reg_info.reg, val); + ret = regmap_read(afe->regmap, value_reg, val); if (ret) return ret; return IIO_VAL_INT; case IIO_CHAN_INFO_OFFSET: - ret = regmap_read(afe->regmap, reg_info.offreg, - val); + ret = regmap_field_read(afe->fields[offdac_field], val); if (ret) return ret; - *val &= reg_info.mask; - *val >>= reg_info.shift; return IIO_VAL_INT; } break; case IIO_CURRENT: switch (mask) { case IIO_CHAN_INFO_RAW: - ret = regmap_read(afe->regmap, reg_info.reg, val); + ret = regmap_field_read(afe->fields[led_field], val); if (ret) return ret; - *val &= reg_info.mask; - *val >>= reg_info.shift; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: *val = 0; @@ -342,25 +301,20 @@ static int afe4404_write_raw(struct iio_dev *indio_dev, int val, int val2, long mask) { struct afe4404_data *afe = iio_priv(indio_dev); - const struct afe440x_reg_info reg_info = afe4404_reg_info[chan->address]; + unsigned int led_field = afe4404_channel_leds[chan->address]; + unsigned int offdac_field = afe4404_channel_offdacs[chan->address]; switch (chan->type) { case IIO_INTENSITY: switch (mask) { case IIO_CHAN_INFO_OFFSET: - return regmap_update_bits(afe->regmap, - reg_info.offreg, - reg_info.mask, - (val << reg_info.shift)); + return regmap_field_write(afe->fields[offdac_field], val); } break; case IIO_CURRENT: switch (mask) { case IIO_CHAN_INFO_RAW: - return regmap_update_bits(afe->regmap, - reg_info.reg, - reg_info.mask, - (val << reg_info.shift)); + return regmap_field_write(afe->fields[led_field], val); } break; default: @@ -387,7 +341,7 @@ static irqreturn_t afe4404_trigger_handler(int irq, void *private) for_each_set_bit(bit, indio_dev->active_scan_mask, indio_dev->masklength) { - ret = regmap_read(afe->regmap, afe4404_reg_info[bit].reg, + ret = regmap_read(afe->regmap, afe4404_channel_values[bit], &buffer[i++]); if (ret) goto err; @@ -443,11 +397,8 @@ static const struct iio_trigger_ops afe4404_trigger_ops = { static const struct reg_sequence afe4404_reg_sequences[] = { AFE4404_TIMING_PAIRS, { AFE440X_CONTROL1, AFE440X_CONTROL1_TIMEREN }, - { AFE4404_TIA_GAIN, AFE4404_TIA_GAIN_RES_50_K }, - { AFE440X_LEDCNTRL, (0xf << AFE4404_LEDCNTRL_ILED1_SHIFT) | - (0x3 << AFE4404_LEDCNTRL_ILED2_SHIFT) | - (0x3 << AFE4404_LEDCNTRL_ILED3_SHIFT) }, - { AFE440X_CONTROL2, AFE440X_CONTROL3_OSC_ENABLE }, + { AFE4404_TIA_GAIN_SEP, AFE440X_TIAGAIN_ENSEPGAIN }, + { AFE440X_CONTROL2, AFE440X_CONTROL2_OSC_ENABLE }, }; static const struct regmap_range afe4404_yes_ranges[] = { @@ -469,13 +420,11 @@ static const struct regmap_config afe4404_regmap_config = { .volatile_table = &afe4404_volatile_table, }; -#ifdef CONFIG_OF static const struct of_device_id afe4404_of_match[] = { { .compatible = "ti,afe4404", }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, afe4404_of_match); -#endif static int __maybe_unused afe4404_suspend(struct device *dev) { @@ -525,7 +474,7 @@ static int afe4404_probe(struct i2c_client *client, { struct iio_dev *indio_dev; struct afe4404_data *afe; - int ret; + int i, ret; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*afe)); if (!indio_dev) @@ -543,6 +492,15 @@ static int afe4404_probe(struct i2c_client *client, return PTR_ERR(afe->regmap); } + for (i = 0; i < F_MAX_FIELDS; i++) { + afe->fields[i] = devm_regmap_field_alloc(afe->dev, afe->regmap, + afe4404_reg_fields[i]); + if (IS_ERR(afe->fields[i])) { + dev_err(afe->dev, "Unable to allocate regmap fields\n"); + return PTR_ERR(afe->fields[i]); + } + } + afe->regulator = devm_regulator_get(afe->dev, "tx_sup"); if (IS_ERR(afe->regulator)) { dev_err(afe->dev, "Unable to get regulator\n"); @@ -665,7 +623,7 @@ MODULE_DEVICE_TABLE(i2c, afe4404_ids); static struct i2c_driver afe4404_i2c_driver = { .driver = { .name = AFE4404_DRIVER_NAME, - .of_match_table = of_match_ptr(afe4404_of_match), + .of_match_table = afe4404_of_match, .pm = &afe4404_pm_ops, }, .probe = afe4404_probe, @@ -675,5 +633,5 @@ static struct i2c_driver afe4404_i2c_driver = { module_i2c_driver(afe4404_i2c_driver); MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>"); -MODULE_DESCRIPTION("TI AFE4404 Heart Rate and Pulse Oximeter"); +MODULE_DESCRIPTION("TI AFE4404 Heart Rate Monitor and Pulse Oximeter AFE"); MODULE_LICENSE("GPL v2"); |