[media] cx231xx: use bitwise negate instead of logical

Bitwise negate was intended here.  INPUT_SEL_MASK is 0x30.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx231xx/cx231xx-avcore.c

@@ -274,7 +274,7 @@ int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux)
 
 	if (ch1_setting != 0) {
 		status = afe_read_byte(dev, ADC_INPUT_CH1, &value);
-		value &= (!INPUT_SEL_MASK);
+		value &= ~INPUT_SEL_MASK;
 		value |= (ch1_setting - 1) << 4;
 		value &= 0xff;
 		status = afe_write_byte(dev, ADC_INPUT_CH1, value);
@@ -282,7 +282,7 @@ int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux)
 
 	if (ch2_setting != 0) {
 		status = afe_read_byte(dev, ADC_INPUT_CH2, &value);
-		value &= (!INPUT_SEL_MASK);
+		value &= ~INPUT_SEL_MASK;
 		value |= (ch2_setting - 1) << 4;
 		value &= 0xff;
 		status = afe_write_byte(dev, ADC_INPUT_CH2, value);
@@ -292,7 +292,7 @@ int cx231xx_afe_set_input_mux(struct cx231xx *dev, u32 input_mux)
 	   7 less than the input number */
 	if (ch3_setting != 0) {
 		status = afe_read_byte(dev, ADC_INPUT_CH3, &value);
-		value &= (!INPUT_SEL_MASK);
+		value &= ~INPUT_SEL_MASK;
 		value |= (ch3_setting - 1) << 4;
 		value &= 0xff;
 		status = afe_write_byte(dev, ADC_INPUT_CH3, value);