142  * 4+4 bits of negative and positive gamma correction
143  * Upper nybble, bits 4-7 are negative gamma
144  * Lower nybble, bits 0-3 are positive gamma
225  * gamma correction for voltages V1 thru V8. Valid range 0..15
227  * gamma correction for voltages V1 thru V8. Valid range 0..15
245  * The negative and postive gamma values adjust the V1 thru V8 up/down
278 	u8 gamma[8];  member
392 	/* Set up gamma correction */  in ili9322_init()
393 	for (i = 0; i < ARRAY_SIZE(ili->gamma); i++) {  in ili9322_init()
395 				   ili->gamma[i]);  in ili9322_init()
398 				"can't write gamma V%d to 0x%02x (%d)\n",  in ili9322_init()
725 	u8 gamma;  in ili9322_probe()  local
808 	for (i = 0; i < ARRAY_SIZE(ili->gamma); i++) {  in ili9322_probe()
811 			dev_err(dev, "negative gamma %u > 15, capping\n", val);  in ili9322_probe()
814 		gamma = val << 4;  in ili9322_probe()
817 			dev_err(dev, "positive gamma %u > 15, capping\n", val);  in ili9322_probe()
820 		gamma |= val;  in ili9322_probe()
821 		ili->gamma[i] = gamma;  in ili9322_probe()
822 		dev_dbg(dev, "gamma V%d: 0x%02x\n", i + 1, gamma);  in ili9322_probe()