Commit 84b36ce5 authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

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: default avatarJonathan Cameron <jic23@kernel.org>
Tested-by: default avatarsrinivas pandruvada <srinivas.pandruvada@intel.com>
parent 4eb3ccf1

drivers/iio/accel/hid-sensor-accel-3d.c

+1 −14
Original line number Diff line number Diff line
@@ -197,21 +197,8 @@ static const struct iio_info accel_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 */

drivers/iio/adc/ad7266.c

+1 −2
Original line number Diff line number Diff line
@@ -91,7 +91,6 @@ static irqreturn_t ad7266_trigger_handler(int irq, void *p) 
{

	struct iio_poll_func *pf = p;

	struct iio_dev *indio_dev = pf->indio_dev;

	struct iio_buffer *buffer = indio_dev->buffer;

	struct ad7266_state *st = iio_priv(indio_dev);

	int ret;
@@ -99,7 +98,7 @@ static irqreturn_t ad7266_trigger_handler(int irq, void *p) 
	if (ret == 0) {

		if (indio_dev->scan_timestamp)

			((s64 *)st->data)[1] = pf->timestamp;

		iio_push_to_buffer(buffer, (u8 *)st->data);

		iio_push_to_buffers(indio_dev, (u8 *)st->data);

	}



	iio_trigger_notify_done(indio_dev->trig);

drivers/iio/adc/ad7476.c

+1 −1
Original line number Diff line number Diff line
@@ -76,7 +76,7 @@ static irqreturn_t ad7476_trigger_handler(int irq, void *p) 
	if (indio_dev->scan_timestamp)

		((s64 *)st->data)[1] = time_ns;



	iio_push_to_buffer(indio_dev->buffer, st->data);

	iio_push_to_buffers(indio_dev, st->data);

done:

	iio_trigger_notify_done(indio_dev->trig);

drivers/iio/adc/ad7887.c

+1 −1
Original line number Diff line number Diff line
@@ -134,7 +134,7 @@ static irqreturn_t ad7887_trigger_handler(int irq, void *p) 
		memcpy(st->data + indio_dev->scan_bytes - sizeof(s64),

		       &time_ns, sizeof(time_ns));



	iio_push_to_buffer(indio_dev->buffer, st->data);

	iio_push_to_buffers(indio_dev, st->data);

done:

	iio_trigger_notify_done(indio_dev->trig);

drivers/iio/adc/ad_sigma_delta.c

+1 −1
Original line number Diff line number Diff line
@@ -391,7 +391,7 @@ static irqreturn_t ad_sd_trigger_handler(int irq, void *p) 
		break;

	}



	iio_push_to_buffer(indio_dev->buffer, (uint8_t *)data);

	iio_push_to_buffers(indio_dev, (uint8_t *)data);



	iio_trigger_notify_done(indio_dev->trig);

	sigma_delta->irq_dis = false;