iio/gyro/itg3200_buffer.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * itg3200_buffer.c -- support InvenSense ITG3200
4  *                     Digital 3-Axis Gyroscope driver
28 			.addr = i2c->addr,  in itg3200_read_all_channels()
29 			.flags = i2c->flags,  in itg3200_read_all_channels()
34 			.addr = i2c->addr,  in itg3200_read_all_channels()
35 			.flags = i2c->flags | I2C_M_RD,  in itg3200_read_all_channels()
41 	return i2c_transfer(i2c->adapter, msg, 2);  in itg3200_read_all_channels()
47 	struct iio_dev *indio_dev = pf->indio_dev;  in itg3200_trigger_handler()
58 	int ret = itg3200_read_all_channels(st->i2c, scan.buf);  in itg3200_trigger_handler()
62 	iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp);  in itg3200_trigger_handler()
65 	iio_trigger_notify_done(indio_dev->trig);  in itg3200_trigger_handler()
116 	st->trig = iio_trigger_alloc(&st->i2c->dev, "%s-dev%d", indio_dev->name,  in itg3200_probe_trigger()
118 	if (!st->trig)  in itg3200_probe_trigger()
119 		return -ENOMEM;  in itg3200_probe_trigger()
121 	ret = request_irq(st->i2c->irq,  in itg3200_probe_trigger()
125 			  st->trig);  in itg3200_probe_trigger()
130 	st->trig->ops = &itg3200_trigger_ops;  in itg3200_probe_trigger()
131 	iio_trigger_set_drvdata(st->trig, indio_dev);  in itg3200_probe_trigger()
132 	ret = iio_trigger_register(st->trig);  in itg3200_probe_trigger()
137 	indio_dev->trig = iio_trigger_get(st->trig);  in itg3200_probe_trigger()
142 	free_irq(st->i2c->irq, st->trig);  in itg3200_probe_trigger()
144 	iio_trigger_free(st->trig);  in itg3200_probe_trigger()
152 	iio_trigger_unregister(st->trig);  in itg3200_remove_trigger()
153 	free_irq(st->i2c->irq, st->trig);  in itg3200_remove_trigger()
154 	iio_trigger_free(st->trig);  in itg3200_remove_trigger()