25 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_update_scan_mode_burst()  local
31 	burst_length += adis->burst->extra_len;  in adis_update_scan_mode_burst()
33 	adis->xfer = kcalloc(2, sizeof(*adis->xfer), GFP_KERNEL);  in adis_update_scan_mode_burst()
34 	if (!adis->xfer)  in adis_update_scan_mode_burst()
37 	adis->buffer = kzalloc(burst_length + sizeof(u16), GFP_KERNEL);  in adis_update_scan_mode_burst()
38 	if (!adis->buffer) {  in adis_update_scan_mode_burst()
39 		kfree(adis->xfer);  in adis_update_scan_mode_burst()
40 		adis->xfer = NULL;  in adis_update_scan_mode_burst()
44 	tx = adis->buffer + burst_length;  in adis_update_scan_mode_burst()
45 	tx[0] = ADIS_READ_REG(adis->burst->reg_cmd);  in adis_update_scan_mode_burst()
48 	adis->xfer[0].tx_buf = tx;  in adis_update_scan_mode_burst()
49 	adis->xfer[0].bits_per_word = 8;  in adis_update_scan_mode_burst()
50 	adis->xfer[0].len = 2;  in adis_update_scan_mode_burst()
51 	adis->xfer[1].rx_buf = adis->buffer;  in adis_update_scan_mode_burst()
52 	adis->xfer[1].bits_per_word = 8;  in adis_update_scan_mode_burst()
53 	adis->xfer[1].len = burst_length;  in adis_update_scan_mode_burst()
55 	spi_message_init(&adis->msg);  in adis_update_scan_mode_burst()
56 	spi_message_add_tail(&adis->xfer[0], &adis->msg);  in adis_update_scan_mode_burst()
57 	spi_message_add_tail(&adis->xfer[1], &adis->msg);  in adis_update_scan_mode_burst()
65 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_update_scan_mode()  local
71 	kfree(adis->xfer);  in adis_update_scan_mode()
72 	kfree(adis->buffer);  in adis_update_scan_mode()
74 	if (adis->burst && adis->burst->en)  in adis_update_scan_mode()
79 	adis->xfer = kcalloc(scan_count + 1, sizeof(*adis->xfer), GFP_KERNEL);  in adis_update_scan_mode()
80 	if (!adis->xfer)  in adis_update_scan_mode()
83 	adis->buffer = kcalloc(indio_dev->scan_bytes, 2, GFP_KERNEL);  in adis_update_scan_mode()
84 	if (!adis->buffer) {  in adis_update_scan_mode()
85 		kfree(adis->xfer);  in adis_update_scan_mode()
86 		adis->xfer = NULL;  in adis_update_scan_mode()
90 	rx = adis->buffer;  in adis_update_scan_mode()
93 	spi_message_init(&adis->msg);  in adis_update_scan_mode()
96 		adis->xfer[j].bits_per_word = 8;  in adis_update_scan_mode()
98 			adis->xfer[j].cs_change = 1;  in adis_update_scan_mode()
99 		adis->xfer[j].len = 2;  in adis_update_scan_mode()
100 		adis->xfer[j].delay_usecs = adis->data->read_delay;  in adis_update_scan_mode()
102 			adis->xfer[j].tx_buf = &tx[j];  in adis_update_scan_mode()
104 			adis->xfer[j].rx_buf = &rx[j - 1];  in adis_update_scan_mode()
105 		spi_message_add_tail(&adis->xfer[j], &adis->msg);  in adis_update_scan_mode()
125 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_trigger_handler()  local
128 	if (!adis->buffer)  in adis_trigger_handler()
131 	if (adis->data->has_paging) {  in adis_trigger_handler()
132 		mutex_lock(&adis->txrx_lock);  in adis_trigger_handler()
133 		if (adis->current_page != 0) {  in adis_trigger_handler()
134 			adis->tx[0] = ADIS_WRITE_REG(ADIS_REG_PAGE_ID);  in adis_trigger_handler()
135 			adis->tx[1] = 0;  in adis_trigger_handler()
136 			spi_write(adis->spi, adis->tx, 2);  in adis_trigger_handler()
140 	ret = spi_sync(adis->spi, &adis->msg);  in adis_trigger_handler()
142 		dev_err(&adis->spi->dev, "Failed to read data: %d", ret);  in adis_trigger_handler()
145 	if (adis->data->has_paging) {  in adis_trigger_handler()
146 		adis->current_page = 0;  in adis_trigger_handler()
147 		mutex_unlock(&adis->txrx_lock);  in adis_trigger_handler()
150 	iio_push_to_buffers_with_timestamp(indio_dev, adis->buffer,  in adis_trigger_handler()
174 int adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,  in adis_setup_buffer_and_trigger()  argument
187 	if (adis->spi->irq) {  in adis_setup_buffer_and_trigger()
188 		ret = adis_probe_trigger(adis, indio_dev);  in adis_setup_buffer_and_trigger()
207 void adis_cleanup_buffer_and_trigger(struct adis *adis,  in adis_cleanup_buffer_and_trigger()  argument
210 	if (adis->spi->irq)  in adis_cleanup_buffer_and_trigger()
211 		adis_remove_trigger(adis);  in adis_cleanup_buffer_and_trigger()
212 	kfree(adis->buffer);  in adis_cleanup_buffer_and_trigger()
213 	kfree(adis->xfer);  in adis_cleanup_buffer_and_trigger()