35 	s32 gain, orig_gain, exposure, orig_exposure;  in gspca_expo_autogain()  local
41 	orig_gain = gain = v4l2_ctrl_g_ctrl(gspca_dev->gain);  in gspca_expo_autogain()
53 			if (gain > gain_knee)  in gspca_expo_autogain()
54 				gain--;  in gspca_expo_autogain()
57 			else if (gain > gspca_dev->gain->default_value)  in gspca_expo_autogain()
58 				gain--;  in gspca_expo_autogain()
61 			else if (gain > gspca_dev->gain->minimum)  in gspca_expo_autogain()
62 				gain--;  in gspca_expo_autogain()
66 			if (gain < gspca_dev->gain->default_value)  in gspca_expo_autogain()
67 				gain++;  in gspca_expo_autogain()
70 			else if (gain < gain_knee)  in gspca_expo_autogain()
71 				gain++;  in gspca_expo_autogain()
74 			else if (gain < gspca_dev->gain->maximum)  in gspca_expo_autogain()
75 				gain++;  in gspca_expo_autogain()
81 	if (gain != orig_gain) {  in gspca_expo_autogain()
82 	        v4l2_ctrl_s_ctrl(gspca_dev->gain, gain);  in gspca_expo_autogain()
92 			gain, exposure);  in gspca_expo_autogain()
115 	s32 gain_low, gain_high, gain, orig_gain, exposure, orig_exposure;  in gspca_coarse_grained_expo_autogain()  local
121 	orig_gain = gain = v4l2_ctrl_g_ctrl(gspca_dev->gain);  in gspca_coarse_grained_expo_autogain()
124 	gain_low  = (s32)(gspca_dev->gain->maximum - gspca_dev->gain->minimum) /  in gspca_coarse_grained_expo_autogain()
125 		    5 * 2 + gspca_dev->gain->minimum;  in gspca_coarse_grained_expo_autogain()
126 	gain_high = (s32)(gspca_dev->gain->maximum - gspca_dev->gain->minimum) /  in gspca_coarse_grained_expo_autogain()
127 		    5 * 4 + gspca_dev->gain->minimum;  in gspca_coarse_grained_expo_autogain()
136 	if ((gain + steps) > gain_high &&  in gspca_coarse_grained_expo_autogain()
138 		gain = gain_high;  in gspca_coarse_grained_expo_autogain()
141 	} else if ((gain + steps) < gain_low &&  in gspca_coarse_grained_expo_autogain()
143 		gain = gain_low;  in gspca_coarse_grained_expo_autogain()
147 		gain += steps;  in gspca_coarse_grained_expo_autogain()
148 		if (gain > gspca_dev->gain->maximum)  in gspca_coarse_grained_expo_autogain()
149 			gain = gspca_dev->gain->maximum;  in gspca_coarse_grained_expo_autogain()
150 		else if (gain < gspca_dev->gain->minimum)  in gspca_coarse_grained_expo_autogain()
151 			gain = gspca_dev->gain->minimum;  in gspca_coarse_grained_expo_autogain()
164 	if (gain != orig_gain) {  in gspca_coarse_grained_expo_autogain()
165 	        v4l2_ctrl_s_ctrl(gspca_dev->gain, gain);  in gspca_coarse_grained_expo_autogain()
175 			gain, exposure);  in gspca_coarse_grained_expo_autogain()