* [patch] [media] cx231xx: use bitwise negate instead of logical
@ 2010-12-28 0:04 Dan Carpenter
0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2010-12-28 0:04 UTC (permalink / raw)
To: Mauro Carvalho Chehab
Cc: Devin Heitmueller, Sri Deevi, Palash Bandyopadhyay,
Michael Krufky, linux-media, kernel-janitors
Bitwise negate was intended here. INPUT_SEL_MASK is 0x30.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/drivers/media/video/cx231xx/cx231xx-avcore.c b/drivers/media/video/cx231xx/cx231xx-avcore.c
index d52955c..c53e972 100644
--- a/drivers/media/video/cx231xx/cx231xx-avcore.c
+++ b/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);
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2010-12-28 0:04 [patch] [media] cx231xx: use bitwise negate instead of logical Dan Carpenter
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