iio: accel: kxcjk-1013: use available_scan_masks

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: Adriana Reus <adriana.reus@intel.com>
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index edec1d0..3861fe9 100644 (file)
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -115,6 +115,7 @@ enum kxcjk1013_axis {
        AXIS_X,
        AXIS_Y,
        AXIS_Z,
+       AXIS_MAX,
 };
 
 enum kxcjk1013_mode {
@@ -953,6 +954,8 @@ static const struct iio_info kxcjk1013_info = {
        .driver_module          = THIS_MODULE,
 };
 
+static const unsigned long kxcjk1013_scan_masks[] = {0x7, 0};
+
 static irqreturn_t kxcjk1013_trigger_handler(int irq, void *p)
 {
        struct iio_poll_func *pf = p;
@@ -962,8 +965,7 @@ static irqreturn_t kxcjk1013_trigger_handler(int irq, void *p)
 
        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 = kxcjk1013_get_acc_reg(data, bit);
                if (ret < 0) {
                        mutex_unlock(&data->mutex);
@@ -1204,6 +1206,7 @@ static int kxcjk1013_probe(struct i2c_client *client,
        indio_dev->dev.parent = &client->dev;
        indio_dev->channels = kxcjk1013_channels;
        indio_dev->num_channels = ARRAY_SIZE(kxcjk1013_channels);
+       indio_dev->available_scan_masks = kxcjk1013_scan_masks;
        indio_dev->name = name;
        indio_dev->modes = INDIO_DIRECT_MODE;
        indio_dev->info = &kxcjk1013_info;