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@xxxxxxxxx>
---
drivers/iio/accel/bmc150-accel.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c
index 73e8773..c6c8416 100644
--- a/drivers/iio/accel/bmc150-accel.c
+++ b/drivers/iio/accel/bmc150-accel.c
@@ -136,6 +136,7 @@ enum bmc150_accel_axis {
AXIS_X,
AXIS_Y,
AXIS_Z,
+ AXIS_MAX,
};
enum bmc150_power_modes {
@@ -1201,6 +1202,8 @@ static const struct iio_info bmc150_accel_info_fifo = {
.driver_module = THIS_MODULE,
};
+static const unsigned long bmc150_accel_scan_masks[] = {0x7, 0};
+
static irqreturn_t bmc150_accel_trigger_handler(int irq, void *p)
{
struct iio_poll_func *pf = p;
@@ -1209,8 +1212,7 @@ static irqreturn_t bmc150_accel_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,
BMC150_ACCEL_AXIS_TO_REG(bit));
if (ret < 0) {
@@ -1632,6 +1634,7 @@ static int bmc150_accel_probe(struct i2c_client *client,
indio_dev->dev.parent = &client->dev;
indio_dev->channels = data->chip_info->channels;
indio_dev->num_channels = data->chip_info->num_channels;
+ indio_dev->available_scan_masks = bmc150_accel_scan_masks;
indio_dev->name = name;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &bmc150_accel_info;
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
