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iio: light: vcnl4000: Check type with switch case

Browse source 
Check IIO_PROXIMITY  with switch case in order to make it easier
to add further types like light.
Add check for IIO_EV_INFO_VALUE for writing rising or falling events.

Signed-off-by: Astrid Rost <astrid.rost@axis.com>
Link: https://lore.kernel.org/r/20230613135025.2596641-4-astrid.rost@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Astrid Rost 2023-06-13 15:50:19 +02:00 committed by Jonathan Cameron
parent e55c96daf7
commit 2be17b6889
1 changed files with 100 additions and 52 deletions
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152
drivers/iio/light/vcnl4000.c
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@ -600,9 +600,13 @@ static int vcnl4000_read_raw(struct iio_dev *indio_dev,
*val2 = data->al_scale;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_CHAN_INFO_INT_TIME:
if (chan->type != IIO_PROXIMITY)
switch (chan->type) {
case IIO_PROXIMITY:
ret = vcnl4040_read_ps_it(data, val, val2);
break;
default:
return -EINVAL;
ret = vcnl4040_read_ps_it(data, val, val2);
}
if (ret < 0)
return ret;
return IIO_VAL_INT_PLUS_MICRO;
@ -621,9 +625,12 @@ static int vcnl4040_write_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_INT_TIME:
if (val != 0)
return -EINVAL;
if (chan->type != IIO_PROXIMITY)
switch (chan->type) {
case IIO_PROXIMITY:
return vcnl4040_write_ps_it(data, val2);
default:
return -EINVAL;
return vcnl4040_write_ps_it(data, val2);
}
default:
return -EINVAL;
}
@ -638,9 +645,15 @@ static int vcnl4040_read_avail(struct iio_dev *indio_dev,
switch (mask) {
case IIO_CHAN_INFO_INT_TIME:
*vals = (int *)(*data->chip_spec->ps_it_times);
switch (chan->type) {
case IIO_PROXIMITY:
*vals = (int *)(*data->chip_spec->ps_it_times);
*length = 2 * data->chip_spec->num_ps_it_times;
break;
default:
return -EINVAL;
}
*type = IIO_VAL_INT_PLUS_MICRO;
*length = 2 * data->chip_spec->num_ps_it_times;
return IIO_AVAIL_LIST;
default:
return -EINVAL;
@ -836,24 +849,34 @@ static int vcnl4040_read_event(struct iio_dev *indio_dev,
int ret;
struct vcnl4000_data *data = iio_priv(indio_dev);
switch (dir) {
case IIO_EV_DIR_RISING:
ret = i2c_smbus_read_word_data(data->client,
VCNL4040_PS_THDH_LM);
if (ret < 0)
return ret;
*val = ret;
return IIO_VAL_INT;
case IIO_EV_DIR_FALLING:
ret = i2c_smbus_read_word_data(data->client,
VCNL4040_PS_THDL_LM);
if (ret < 0)
return ret;
*val = ret;
return IIO_VAL_INT;
switch (chan->type) {
case IIO_PROXIMITY:
switch (info) {
case IIO_EV_INFO_VALUE:
switch (dir) {
case IIO_EV_DIR_RISING:
ret = i2c_smbus_read_word_data(data->client,
VCNL4040_PS_THDH_LM);
break;
case IIO_EV_DIR_FALLING:
ret = i2c_smbus_read_word_data(data->client,
VCNL4040_PS_THDL_LM);
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
if (ret < 0)
return ret;
*val = ret;
return IIO_VAL_INT;
}
static int vcnl4040_write_event(struct iio_dev *indio_dev,
@ -866,22 +889,35 @@ static int vcnl4040_write_event(struct iio_dev *indio_dev,
int ret;
struct vcnl4000_data *data = iio_priv(indio_dev);
switch (dir) {
case IIO_EV_DIR_RISING:
ret = i2c_smbus_write_word_data(data->client,
VCNL4040_PS_THDH_LM, val);
if (ret < 0)
return ret;
return IIO_VAL_INT;
case IIO_EV_DIR_FALLING:
ret = i2c_smbus_write_word_data(data->client,
VCNL4040_PS_THDL_LM, val);
if (ret < 0)
return ret;
return IIO_VAL_INT;
switch (chan->type) {
case IIO_PROXIMITY:
switch (info) {
case IIO_EV_INFO_VALUE:
switch (dir) {
case IIO_EV_DIR_RISING:
ret = i2c_smbus_write_word_data(data->client,
VCNL4040_PS_THDH_LM,
val);
break;
case IIO_EV_DIR_FALLING:
ret = i2c_smbus_write_word_data(data->client,
VCNL4040_PS_THDL_LM,
val);
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
if (ret < 0)
return ret;
return IIO_VAL_INT;
}
static bool vcnl4010_is_thr_enabled(struct vcnl4000_data *data)
@ -974,15 +1010,20 @@ static int vcnl4040_read_event_config(struct iio_dev *indio_dev,
int ret;
struct vcnl4000_data *data = iio_priv(indio_dev);
ret = i2c_smbus_read_word_data(data->client, VCNL4200_PS_CONF1);
if (ret < 0)
return ret;
switch (chan->type) {
case IIO_PROXIMITY:
ret = i2c_smbus_read_word_data(data->client, VCNL4200_PS_CONF1);
if (ret < 0)
return ret;
data->ps_int = FIELD_GET(VCNL4040_PS_CONF2_PS_INT, ret);
data->ps_int = FIELD_GET(VCNL4040_PS_CONF2_PS_INT, ret);
return (dir == IIO_EV_DIR_RISING) ?
FIELD_GET(VCNL4040_PS_IF_AWAY, ret) :
FIELD_GET(VCNL4040_PS_IF_CLOSE, ret);
return (dir == IIO_EV_DIR_RISING) ?
FIELD_GET(VCNL4040_PS_IF_AWAY, ret) :
FIELD_GET(VCNL4040_PS_IF_CLOSE, ret);
default:
return -EINVAL;
}
}
static int vcnl4040_write_event_config(struct iio_dev *indio_dev,
@ -990,25 +1031,32 @@ static int vcnl4040_write_event_config(struct iio_dev *indio_dev,
enum iio_event_type type,
enum iio_event_direction dir, int state)
{
int ret;
int ret = -EINVAL;
u16 val, mask;
struct vcnl4000_data *data = iio_priv(indio_dev);
mutex_lock(&data->vcnl4000_lock);
ret = i2c_smbus_read_word_data(data->client, VCNL4200_PS_CONF1);
if (ret < 0)
goto out;
switch (chan->type) {
case IIO_PROXIMITY:
ret = i2c_smbus_read_word_data(data->client, VCNL4200_PS_CONF1);
if (ret < 0)
goto out;
if (dir == IIO_EV_DIR_RISING)
mask = VCNL4040_PS_IF_AWAY;
else
mask = VCNL4040_PS_IF_CLOSE;
if (dir == IIO_EV_DIR_RISING)
mask = VCNL4040_PS_IF_AWAY;
else
mask = VCNL4040_PS_IF_CLOSE;
val = state ? (ret | mask) : (ret & ~mask);
val = state ? (ret | mask) : (ret & ~mask);
data->ps_int = FIELD_GET(VCNL4040_PS_CONF2_PS_INT, val);
ret = i2c_smbus_write_word_data(data->client, VCNL4200_PS_CONF1, val);
data->ps_int = FIELD_GET(VCNL4040_PS_CONF2_PS_INT, val);
ret = i2c_smbus_write_word_data(data->client, VCNL4200_PS_CONF1,
val);
break;
default:
break;
}
out:
mutex_unlock(&data->vcnl4000_lock);