From: Dan Carpenter <error27@gmail.com>
To: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Devin Heitmueller <dheitmueller@hauppauge.com>,
Sri Deevi <Srinivasa.Deevi@conexant.com>,
Palash Bandyopadhyay <palash.bandyopadhyay@conexant.com>,
Michael Krufky <mkrufky@kernellabs.com>,
linux-media@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] [media] cx231xx: use bitwise negate instead of logical
Date: Tue, 28 Dec 2010 00:04:58 +0000 [thread overview]
Message-ID: <20101228000458.GX1936@bicker> (raw)
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);
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <error27@gmail.com>
To: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Devin Heitmueller <dheitmueller@hauppauge.com>,
Sri Deevi <Srinivasa.Deevi@conexant.com>,
Palash Bandyopadhyay <palash.bandyopadhyay@conexant.com>,
Michael Krufky <mkrufky@kernellabs.com>,
linux-media@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] [media] cx231xx: use bitwise negate instead of logical
Date: Tue, 28 Dec 2010 03:04:58 +0300 [thread overview]
Message-ID: <20101228000458.GX1936@bicker> (raw)
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);
next reply other threads:[~2010-12-28 0:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-28 0:04 Dan Carpenter [this message]
2010-12-28 0:04 ` [patch] [media] cx231xx: use bitwise negate instead of logical Dan Carpenter
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