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staging: iio: tsl2x7x: migrate in_illuminance0_integration_time sysfs attribute to iio_chan_spec 

The driver explicitly creates the in_illuminance0_integration_time sysfs
attribute outside the IIO core. This attribute is available in the IIO
core so this patches migrates the attribute to be created by
the iio_chan_spec.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Brian Masney 2017-09-29 21:09:20 -04:00 коммит произвёл Jonathan Cameron
Родитель b476eef6e9
Коммит 4546813a7f
1 изменённых файлов: 17 добавлений и 48 удалений
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65
drivers/staging/iio/light/tsl2x7x.c
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@ -898,45 +898,6 @@ static ssize_t in_proximity0_calibscale_available_show(struct device *dev,
return snprintf(buf, PAGE_SIZE, "%s\n", "1 2 4 8");
}
static ssize_t in_illuminance0_integration_time_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev));
int y, z;
y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.als_time) + 1;
z = y * TSL2X7X_MIN_ITIME;
y /= 1000;
z %= 1000;
return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z);
}
static ssize_t in_illuminance0_integration_time_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
struct tsl2X7X_chip *chip = iio_priv(indio_dev);
struct tsl2x7x_parse_result result;
int ret;
ret = iio_str_to_fixpoint(buf, 100, &result.integer, &result.fract);
if (ret)
return ret;
result.fract /= 3;
chip->settings.als_time = TSL2X7X_MAX_TIMER_CNT - (u8)result.fract;
dev_info(&chip->client->dev, "%s: als time = %d",
__func__, chip->settings.als_time);
tsl2x7x_invoke_change(indio_dev);
return IIO_VAL_INT_PLUS_MICRO;
}
static IIO_CONST_ATTR(in_illuminance0_integration_time_available,
".00272 - .696");
@ -1377,7 +1338,11 @@ static int tsl2x7x_read_raw(struct iio_dev *indio_dev,
*val = chip->settings.als_gain_trim;
ret = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_INT_TIME:
*val = (TSL2X7X_MAX_TIMER_CNT - chip->settings.als_time) + 1;
*val2 = ((*val * TSL2X7X_MIN_ITIME) % 1000) / 1000;
ret = IIO_VAL_INT_PLUS_MICRO;
break;
default:
ret = -EINVAL;
}
@ -1453,7 +1418,13 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_CALIBBIAS:
chip->settings.als_gain_trim = val;
break;
case IIO_CHAN_INFO_INT_TIME:
chip->settings.als_time =
TSL2X7X_MAX_TIMER_CNT - (val2 / TSL2X7X_MIN_ITIME);
dev_info(&chip->client->dev, "%s: als time = %d",
__func__, chip->settings.als_time);
break;
default:
return -EINVAL;
}
@ -1465,8 +1436,6 @@ static DEVICE_ATTR_RO(in_proximity0_calibscale_available);
static DEVICE_ATTR_RO(in_illuminance0_calibscale_available);
static DEVICE_ATTR_RW(in_illuminance0_integration_time);
static DEVICE_ATTR_RW(in_illuminance0_target_input);
static DEVICE_ATTR_WO(in_illuminance0_calibrate);
@ -1546,7 +1515,6 @@ static irqreturn_t tsl2x7x_event_handler(int irq, void *private)
static struct attribute *tsl2x7x_ALS_device_attrs[] = {
&dev_attr_in_illuminance0_calibscale_available.attr,
&dev_attr_in_illuminance0_integration_time.attr,
&iio_const_attr_in_illuminance0_integration_time_available.dev_attr.attr,
&dev_attr_in_illuminance0_target_input.attr,
&dev_attr_in_illuminance0_calibrate.attr,
@ -1561,7 +1529,6 @@ static struct attribute *tsl2x7x_PRX_device_attrs[] = {
static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = {
&dev_attr_in_illuminance0_calibscale_available.attr,
&dev_attr_in_illuminance0_integration_time.attr,
&iio_const_attr_in_illuminance0_integration_time_available.dev_attr.attr,
&dev_attr_in_illuminance0_target_input.attr,
&dev_attr_in_illuminance0_calibrate.attr,
@ -1578,7 +1545,6 @@ static struct attribute *tsl2x7x_PRX2_device_attrs[] = {
static struct attribute *tsl2x7x_ALSPRX2_device_attrs[] = {
&dev_attr_in_illuminance0_calibscale_available.attr,
&dev_attr_in_illuminance0_integration_time.attr,
&iio_const_attr_in_illuminance0_integration_time_available.dev_attr.attr,
&dev_attr_in_illuminance0_target_input.attr,
&dev_attr_in_illuminance0_calibrate.attr,
@ -1711,7 +1677,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
.type = IIO_LIGHT,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |
BIT(IIO_CHAN_INFO_INT_TIME),
}, {
.type = IIO_INTENSITY,
.indexed = 1,
@ -1750,7 +1717,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
.type = IIO_LIGHT,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED)
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |
BIT(IIO_CHAN_INFO_INT_TIME),
}, {
.type = IIO_INTENSITY,
.indexed = 1,
@ -1798,7 +1766,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
.type = IIO_LIGHT,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |
BIT(IIO_CHAN_INFO_INT_TIME),
}, {
.type = IIO_INTENSITY,
.indexed = 1,