59 static inline void max197_set_unipolarity(struct max197_data *data, int channel)  in max197_set_unipolarity()  argument
61 	data->ctrl_bytes[channel] &= ~MAX197_BIP;  in max197_set_unipolarity()
64 static inline void max197_set_bipolarity(struct max197_data *data, int channel)  in max197_set_bipolarity()  argument
66 	data->ctrl_bytes[channel] |= MAX197_BIP;  in max197_set_bipolarity()
69 static inline void max197_set_half_range(struct max197_data *data, int channel)  in max197_set_half_range()  argument
71 	data->ctrl_bytes[channel] &= ~MAX197_RNG;  in max197_set_half_range()
74 static inline void max197_set_full_range(struct max197_data *data, int channel)  in max197_set_full_range()  argument
76 	data->ctrl_bytes[channel] |= MAX197_RNG;  in max197_set_full_range()
79 static inline bool max197_is_bipolar(struct max197_data *data, int channel)  in max197_is_bipolar()  argument
81 	return data->ctrl_bytes[channel] & MAX197_BIP;  in max197_is_bipolar()
84 static inline bool max197_is_full_range(struct max197_data *data, int channel)  in max197_is_full_range()  argument
86 	return data->ctrl_bytes[channel] & MAX197_RNG;  in max197_is_full_range()
93 	struct max197_data *data = dev_get_drvdata(dev);  in max197_show_range()  local
99 	if (mutex_lock_interruptible(&data->lock))  in max197_show_range()
102 	range = max197_is_full_range(data, channel) ?  in max197_show_range()
103 		data->limit : data->limit / 2;  in max197_show_range()
105 		if (max197_is_bipolar(data, channel))  in max197_show_range()
111 	mutex_unlock(&data->lock);  in max197_show_range()
121 	struct max197_data *data = dev_get_drvdata(dev);  in max197_store_range()  local
126 	int half = data->limit / 2;  in max197_store_range()
127 	int full = data->limit;  in max197_store_range()
146 	if (mutex_lock_interruptible(&data->lock))  in max197_store_range()
151 		max197_set_unipolarity(data, channel);  in max197_store_range()
153 		max197_set_bipolarity(data, channel);  in max197_store_range()
154 		max197_set_half_range(data, channel);  in max197_store_range()
156 		max197_set_bipolarity(data, channel);  in max197_store_range()
157 		max197_set_full_range(data, channel);  in max197_store_range()
160 		max197_set_half_range(data, channel);  in max197_store_range()
163 		max197_set_full_range(data, channel);  in max197_store_range()
166 	mutex_unlock(&data->lock);  in max197_store_range()
176 	struct max197_data *data = dev_get_drvdata(dev);  in max197_show_input()  local
182 	if (mutex_lock_interruptible(&data->lock))  in max197_show_input()
185 	ret = data->pdata->convert(data->ctrl_bytes[channel]);  in max197_show_input()
196 	if (data->scale) {  in max197_show_input()
198 		if (max197_is_full_range(data, channel))  in max197_show_input()
206 	mutex_unlock(&data->lock);  in max197_show_input()
263 	struct max197_data *data;  in max197_probe()  local
277 	data = devm_kzalloc(&pdev->dev, sizeof(struct max197_data), GFP_KERNEL);  in max197_probe()
278 	if (!data)  in max197_probe()
281 	data->pdata = pdata;  in max197_probe()
282 	mutex_init(&data->lock);  in max197_probe()
285 		data->limit = MAX197_LIMIT;  in max197_probe()
286 		data->scale = true;  in max197_probe()
288 		data->limit = MAX199_LIMIT;  in max197_probe()
289 		data->scale = false;  in max197_probe()
293 		data->ctrl_bytes[ch] = (u8) ch;  in max197_probe()
295 	platform_set_drvdata(pdev, data);  in max197_probe()
303 	data->hwmon_dev = hwmon_device_register(&pdev->dev);  in max197_probe()
304 	if (IS_ERR(data->hwmon_dev)) {  in max197_probe()
305 		ret = PTR_ERR(data->hwmon_dev);  in max197_probe()
319 	struct max197_data *data = platform_get_drvdata(pdev);  in max197_remove()  local
321 	hwmon_device_unregister(data->hwmon_dev);  in max197_remove()