26 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_update_scan_mode()  local
32 	kfree(adis->xfer);  in adis_update_scan_mode()
33 	kfree(adis->buffer);  in adis_update_scan_mode()
37 	adis->xfer = kcalloc(scan_count + 1, sizeof(*adis->xfer), GFP_KERNEL);  in adis_update_scan_mode()
38 	if (!adis->xfer)  in adis_update_scan_mode()
41 	adis->buffer = kzalloc(indio_dev->scan_bytes * 2, GFP_KERNEL);  in adis_update_scan_mode()
42 	if (!adis->buffer)  in adis_update_scan_mode()
45 	rx = adis->buffer;  in adis_update_scan_mode()
48 	spi_message_init(&adis->msg);  in adis_update_scan_mode()
51 		adis->xfer[j].bits_per_word = 8;  in adis_update_scan_mode()
53 			adis->xfer[j].cs_change = 1;  in adis_update_scan_mode()
54 		adis->xfer[j].len = 2;  in adis_update_scan_mode()
55 		adis->xfer[j].delay_usecs = adis->data->read_delay;  in adis_update_scan_mode()
57 			adis->xfer[j].tx_buf = &tx[j];  in adis_update_scan_mode()
59 			adis->xfer[j].rx_buf = &rx[j - 1];  in adis_update_scan_mode()
60 		spi_message_add_tail(&adis->xfer[j], &adis->msg);  in adis_update_scan_mode()
80 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_trigger_handler()  local
83 	if (!adis->buffer)  in adis_trigger_handler()
86 	if (adis->data->has_paging) {  in adis_trigger_handler()
87 		mutex_lock(&adis->txrx_lock);  in adis_trigger_handler()
88 		if (adis->current_page != 0) {  in adis_trigger_handler()
89 			adis->tx[0] = ADIS_WRITE_REG(ADIS_REG_PAGE_ID);  in adis_trigger_handler()
90 			adis->tx[1] = 0;  in adis_trigger_handler()
91 			spi_write(adis->spi, adis->tx, 2);  in adis_trigger_handler()
95 	ret = spi_sync(adis->spi, &adis->msg);  in adis_trigger_handler()
97 		dev_err(&adis->spi->dev, "Failed to read data: %d", ret);  in adis_trigger_handler()
100 	if (adis->data->has_paging) {  in adis_trigger_handler()
101 		adis->current_page = 0;  in adis_trigger_handler()
102 		mutex_unlock(&adis->txrx_lock);  in adis_trigger_handler()
105 	iio_push_to_buffers_with_timestamp(indio_dev, adis->buffer,  in adis_trigger_handler()
129 int adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,  in adis_setup_buffer_and_trigger()  argument
142 	if (adis->spi->irq) {  in adis_setup_buffer_and_trigger()
143 		ret = adis_probe_trigger(adis, indio_dev);  in adis_setup_buffer_and_trigger()
162 void adis_cleanup_buffer_and_trigger(struct adis *adis,  in adis_cleanup_buffer_and_trigger()  argument
165 	if (adis->spi->irq)  in adis_cleanup_buffer_and_trigger()
166 		adis_remove_trigger(adis);  in adis_cleanup_buffer_and_trigger()
167 	kfree(adis->buffer);  in adis_cleanup_buffer_and_trigger()
168 	kfree(adis->xfer);  in adis_cleanup_buffer_and_trigger()