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iio: accel: bmc150: use available_scan_masks

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Use available_scan_masks to allow the iio core to select
the data to send to userspace depending on which axes are
enabled, instead of doing this in the driver's interrupt
handler.

Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Irina Tirdea 2016-03-24 11:29:26 +02:00 • committed by Jonathan Cameron
parent 91307cbeca
commit 23e758b368
1 changed files with 7 additions and 2 deletions
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9
drivers/iio/accel/bmc150-accel-core.c
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@ -138,6 +138,7 @@ enum bmc150_accel_axis {
AXIS_X,
AXIS_Y,
AXIS_Z,
AXIS_MAX,
};
enum bmc150_power_modes {
@ -1104,6 +1105,10 @@ static const struct iio_info bmc150_accel_info_fifo = {
.driver_module = THIS_MODULE,
};
static const unsigned long bmc150_accel_scan_masks[] = {
BIT(AXIS_X) | BIT(AXIS_Y) | BIT(AXIS_Z),
0};
static irqreturn_t bmc150_accel_trigger_handler(int irq, void *p)
{
struct iio_poll_func *pf = p;
@ -1113,8 +1118,7 @@ static irqreturn_t bmc150_accel_trigger_handler(int irq, void *p)
unsigned int raw_val;
mutex_lock(&data->mutex);
for_each_set_bit(bit, indio_dev->active_scan_mask,
indio_dev->masklength) {
for (bit = 0; bit < AXIS_MAX; bit++) {
ret = regmap_bulk_read(data->regmap,
BMC150_ACCEL_AXIS_TO_REG(bit), &raw_val,
2);
@ -1574,6 +1578,7 @@ int bmc150_accel_core_probe(struct device *dev, struct regmap *regmap, int irq,
indio_dev->channels = data->chip_info->channels;
indio_dev->num_channels = data->chip_info->num_channels;
indio_dev->name = name ? name : data->chip_info->name;
indio_dev->available_scan_masks = bmc150_accel_scan_masks;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &bmc150_accel_info;