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iio: gyro: bmg160: 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 11:29:28 +02:00 committed by Jonathan Cameron
parent 1715e0ccd3
commit ee8c5419e0
1 changed files with 7 additions and 2 deletions
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9
drivers/iio/gyro/bmg160_core.c
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@ -116,6 +116,7 @@ enum bmg160_axis {
AXIS_X,
AXIS_Y,
AXIS_Z,
AXIS_MAX,
};
static const struct {
@ -763,6 +764,10 @@ static const struct iio_info bmg160_info = {
.driver_module = THIS_MODULE,
};
static const unsigned long bmg160_accel_scan_masks[] = {
BIT(AXIS_X) | BIT(AXIS_Y) | BIT(AXIS_Z),
0};
static irqreturn_t bmg160_trigger_handler(int irq, void *p)
{
struct iio_poll_func *pf = p;
@ -772,8 +777,7 @@ static irqreturn_t bmg160_trigger_handler(int irq, void *p)
unsigned int 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, BMG160_AXIS_TO_REG(bit),
&val, 2);
if (ret < 0) {
@ -1019,6 +1023,7 @@ int bmg160_core_probe(struct device *dev, struct regmap *regmap, int irq,
indio_dev->channels = bmg160_channels;
indio_dev->num_channels = ARRAY_SIZE(bmg160_channels);
indio_dev->name = name;
indio_dev->available_scan_masks = bmg160_accel_scan_masks;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &bmg160_info;