88 static int pcf8591_read_channel(struct device *dev, int channel);
91 #define show_in_channel(channel)					\  argument
92 static ssize_t show_in##channel##_input(struct device *dev,		\
96 	return sprintf(buf, "%d\n", pcf8591_read_channel(dev, channel));\
98 static DEVICE_ATTR(in##channel##_input, S_IRUGO,			\
99 		   show_in##channel##_input, NULL);
273 static int pcf8591_read_channel(struct device *dev, int channel)  in pcf8591_read_channel()  argument
281 	if ((data->control & PCF8591_CONTROL_AICH_MASK) != channel) {  in pcf8591_read_channel()
283 			      | channel;  in pcf8591_read_channel()
296 	if ((channel == 2 && input_mode == 2) ||  in pcf8591_read_channel()
297 	    (channel != 3 && (input_mode == 1 || input_mode == 3)))  in pcf8591_read_channel()