staging:iio: Add support for multiple buffers

Route all buffer writes through the demux.
Addition or removal of a buffer results in tear down and
setup of all the buffers for a given device.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Tested-by: srinivas pandruvada <srinivas.pandruvada@intel.com>

1 files changed, 1 insertions, 14 deletions

diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index c4f0d274f577..d1b5fb74b9bf 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -198,21 +198,8 @@ static const struct iio_info magn_3d_info = {
 /* Function to push data to buffer */
 static void hid_sensor_push_data(struct iio_dev *indio_dev, u8 *data, int len)
 {
-        struct iio_buffer *buffer = indio_dev->buffer;
-        int datum_sz;
-
         dev_dbg(&indio_dev->dev, "hid_sensor_push_data\n");
-        if (!buffer) {
-                dev_err(&indio_dev->dev, "Buffer == NULL\n");
-                return;
-        }
-        datum_sz = buffer->access->get_bytes_per_datum(buffer);
-        if (len > datum_sz) {
-                dev_err(&indio_dev->dev, "Datum size mismatch %d:%d\n", len,
-                                datum_sz);
-                return;
-        }
-        iio_push_to_buffer(buffer, (u8 *)data);
+        iio_push_to_buffers(indio_dev, (u8 *)data);
 }
 
 /* Callback handler to send event after all samples are received and captured */