V4L/DVB (9436): Fix a typo in the previous commit

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stb0899_drv.c

@@ -588,12 +588,12 @@ static int stb0899_postproc(struct stb0899_state *state, u8 ctl, int enable)
 	/* post process event */
 	if (postproc) {
 		if (enable) {
-			if (postproc[STB0899_POSTPROC_GPIO_POWER].level == STB0899_GPIOPULLUP)
+			if (postproc[ctl].level == STB0899_GPIOPULLUP)
 				stb0899_write_reg(state, postproc[ctl].gpio, 0x02);
 			else
 				stb0899_write_reg(state, postproc[ctl].gpio, 0x82);
 		} else {
-			if (postproc[STB0899_POSTPROC_GPIO_POWER].level == STB0899_GPIOPULLUP)
+			if (postproc[ctl].level == STB0899_GPIOPULLUP)
 				stb0899_write_reg(state, postproc[ctl].gpio, 0x82);
 			else
 				stb0899_write_reg(state, postproc[ctl].gpio, 0x02);