lmp91000.c (7ae9fb1b7ecbb5d85d07857943f677fd1a559b18) lmp91000.c (f700e55ef6ef9ec723164659ed4385900981c872)
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * lmp91000.c - Support for Texas Instruments digital potentiostats
4 *
5 * Copyright (C) 2016, 2018
6 * Author: Matt Ranostay <matt.ranostay@konsulko.com>
7 *
8 * TODO: bias voltage + polarity control, and multiple chip support

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113 return -EINVAL;
114
115 /* delay till first temperature reading is complete */
116 if (state != channel && channel == LMP91000_REG_MODECN_TEMP)
117 usleep_range(3000, 4000);
118
119 data->chan_select = channel != LMP91000_REG_MODECN_3LEAD;
120
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * lmp91000.c - Support for Texas Instruments digital potentiostats
4 *
5 * Copyright (C) 2016, 2018
6 * Author: Matt Ranostay <matt.ranostay@konsulko.com>
7 *
8 * TODO: bias voltage + polarity control, and multiple chip support

--- 104 unchanged lines hidden (view full) ---

113 return -EINVAL;
114
115 /* delay till first temperature reading is complete */
116 if (state != channel && channel == LMP91000_REG_MODECN_TEMP)
117 usleep_range(3000, 4000);
118
119 data->chan_select = channel != LMP91000_REG_MODECN_3LEAD;
120
121 iio_trigger_poll_chained(data->trig);
121 iio_trigger_poll_nested(data->trig);
122
123 ret = wait_for_completion_timeout(&data->completion, HZ);
124 reinit_completion(&data->completion);
125
126 if (!ret)
127 return -ETIMEDOUT;
128
129 *val = data->buffer[data->chan_select];

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123 ret = wait_for_completion_timeout(&data->completion, HZ);
124 reinit_completion(&data->completion);
125
126 if (!ret)
127 return -ETIMEDOUT;
128
129 *val = data->buffer[data->chan_select];

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