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.tir...@intel.com>
Acked-by: Jonathan Cameron <ji...@kernel.org>
Acked-by: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com>
---
drivers/iio/gyro/bmg160.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/gyro/bmg160.c b/drivers/iio/gyro/bmg160.c
index 460bf71..b2a6ccb 100644
--- a/drivers/iio/gyro/bmg160.c
+++ b/drivers/iio/gyro/bmg160.c
@@ -114,6 +114,7 @@ enum bmg160_axis {
AXIS_X,
AXIS_Y,
AXIS_Z,
+ AXIS_MAX,
};
static const struct {
@@ -801,6 +802,8 @@ static const struct iio_info bmg160_info = {
.driver_module = THIS_MODULE,
};
+static const unsigned long bmg160_scan_masks[] = {0x7, 0};
+
static irqreturn_t bmg160_trigger_handler(int irq, void *p)
{
struct iio_poll_func *pf = p;
@@ -809,8 +812,7 @@ static irqreturn_t bmg160_trigger_handler(int irq, void *p)
int bit, ret, i = 0;
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 = i2c_smbus_read_word_data(data->client,
BMG160_AXIS_TO_REG(bit));
if (ret < 0) {
@@ -1062,6 +1064,7 @@ static int bmg160_probe(struct i2c_client *client,
indio_dev->dev.parent = &client->dev;
indio_dev->channels = bmg160_channels;
indio_dev->num_channels = ARRAY_SIZE(bmg160_channels);
+ indio_dev->available_scan_masks = bmg160_scan_masks;
indio_dev->name = name;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &bmg160_info;
--
1.9.1
--
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