linux-imx
Public
Source
committed 7e77d1e76d3126
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{127
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struct ads1015_data *data = i2c_get_clientdata(client);128
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unsigned int pga = data->channel_data[channel].pga;129
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int fullscale = fullscale_table[pga];130
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const int mask = data->id == ads1115 ? 0x7fff : 0x7ff0;131
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return DIV_ROUND_CLOSEST(reg * fullscale, mask);133
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}134
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/* sysfs callback function */136
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static ssize_t show_in(struct device *dev, struct device_attribute *da,137
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char *buf)136
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static ssize_t in_show(struct device *dev, struct device_attribute *da,137
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char *buf)138
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{139
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);140
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struct i2c_client *client = to_i2c_client(dev);141
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int res;142
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int index = attr->index;143
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res = ads1015_read_adc(client, index);145
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if (res < 0)146
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return res;147
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return sprintf(buf, "%d\n", ads1015_reg_to_mv(client, index, res));149
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}150
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static const struct sensor_device_attribute ads1015_in[] = {152
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SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),153
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SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),154
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SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),155
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SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),156
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SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),157
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SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),158
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SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),159
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SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),152
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SENSOR_ATTR_RO(in0_input, in, 0),153
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SENSOR_ATTR_RO(in1_input, in, 1),154
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SENSOR_ATTR_RO(in2_input, in, 2),155
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SENSOR_ATTR_RO(in3_input, in, 3),156
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SENSOR_ATTR_RO(in4_input, in, 4),157
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SENSOR_ATTR_RO(in5_input, in, 5),158
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SENSOR_ATTR_RO(in6_input, in, 6),159
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SENSOR_ATTR_RO(in7_input, in, 7),160
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};161
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/*163
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* Driver interface164
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*/165
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static int ads1015_remove(struct i2c_client *client)167
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{168
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struct ads1015_data *data = i2c_get_clientdata(client);169
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int k;