[PATCH v2] Staging: sm750fb: Fix coding style issue in ddk750_sii164.c
Jeremy Lacomis
j.lacomis at gmail.com
Sun Nov 26 01:04:52 UTC 2017
This is a patch to the ddk750_sii164.c file that fixes line length warnings
found by the checkpatch.pl script
Signed-off-by: Jeremy Lacomis <j.lacomis at gmail.com>
---
Changes in v2:
- Change definition of i2cReadReg/i2cWriteReg
- Remove unnecessary casts
drivers/staging/sm750fb/ddk750_sii164.c | 87 ++++++++++++++++-----------------
1 file changed, 43 insertions(+), 44 deletions(-)
diff --git a/drivers/staging/sm750fb/ddk750_sii164.c b/drivers/staging/sm750fb/ddk750_sii164.c
index c787a74c4f9c..66092c4645fc 100644
--- a/drivers/staging/sm750fb/ddk750_sii164.c
+++ b/drivers/staging/sm750fb/ddk750_sii164.c
@@ -12,11 +12,13 @@
#define USE_HW_I2C
#ifdef USE_HW_I2C
- #define i2cWriteReg sm750_hw_i2c_write_reg
- #define i2cReadReg sm750_hw_i2c_read_reg
+#define i2c_write_reg(reg, config) sm750_hw_i2c_write_reg(SII164_I2C_ADDRESS, \
+ reg, config)
+#define i2c_read_reg(reg) sm750_hw_i2c_read_reg(SII164_I2C_ADDRESS, reg)
#else
- #define i2cWriteReg sm750_sw_i2c_write_reg
- #define i2cReadReg sm750_sw_i2c_read_reg
+#define i2c_write_reg(reg, config) sm750_sw_i2c_write_reg(SII164_I2C_ADDRESS, \
+ reg, config)
+#define i2c_read_reg(reg) sm750_sw_i2c_read_reg(SII164_I2C_ADDRESS, reg)
#endif
/* SII164 Vendor and Device ID */
@@ -39,8 +41,8 @@ unsigned short sii164GetVendorID(void)
{
unsigned short vendorID;
- vendorID = ((unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_VENDOR_ID_HIGH) << 8) |
- (unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_VENDOR_ID_LOW);
+ vendorID = (i2c_read_reg(SII164_VENDOR_ID_HIGH) << 8) |
+ i2c_read_reg(SII164_VENDOR_ID_LOW);
return vendorID;
}
@@ -56,15 +58,16 @@ unsigned short sii164GetDeviceID(void)
{
unsigned short deviceID;
- deviceID = ((unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_DEVICE_ID_HIGH) << 8) |
- (unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_DEVICE_ID_LOW);
+ deviceID = (i2c_read_reg(SII164_DEVICE_ID_HIGH) << 8) |
+ i2c_read_reg(SII164_DEVICE_ID_LOW);
return deviceID;
}
-
-
-/* DVI.C will handle all SiI164 chip stuffs and try it best to make code minimal and useful */
+/*
+ * DVI.C will handle all SiI164 chip stuffs and try it best to make code minimal
+ * and useful
+ */
/*
* sii164InitChip
@@ -72,10 +75,10 @@ unsigned short sii164GetDeviceID(void)
*
* Input:
* edgeSelect - Edge Select:
- * 0 = Input data is falling edge latched (falling edge
- * latched first in dual edge mode)
- * 1 = Input data is rising edge latched (rising edge
- * latched first in dual edge mode)
+ * 0 = Input data is falling edge latched (falling
+ * edge latched first in dual edge mode)
+ * 1 = Input data is rising edge latched (rising
+ * edge latched first in dual edge mode)
* busSelect - Input Bus Select:
* 0 = Input data bus is 12-bits wide
* 1 = Input data bus is 24-bits wide
@@ -135,7 +138,8 @@ long sii164InitChip(unsigned char edgeSelect,
#endif
/* Check if SII164 Chip exists */
- if ((sii164GetVendorID() == SII164_VENDOR_ID) && (sii164GetDeviceID() == SII164_DEVICE_ID)) {
+ if ((sii164GetVendorID() == SII164_VENDOR_ID) &&
+ (sii164GetDeviceID() == SII164_DEVICE_ID)) {
/*
* Initialize SII164 controller chip.
*/
@@ -170,7 +174,7 @@ long sii164InitChip(unsigned char edgeSelect,
else
config |= SII164_CONFIGURATION_VSYNC_AS_IS;
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
+ i2c_write_reg(SII164_CONFIGURATION, config);
/*
* De-skew enabled with default 111b value.
@@ -208,7 +212,7 @@ long sii164InitChip(unsigned char edgeSelect,
config |= SII164_DESKEW_8_STEP;
break;
}
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_DESKEW, config);
+ i2c_write_reg(SII164_DESKEW, config);
/* Enable/Disable Continuous Sync. */
if (continuousSyncEnable == 0)
@@ -225,12 +229,12 @@ long sii164InitChip(unsigned char edgeSelect,
/* Set the PLL Filter value */
config |= ((pllFilterValue & 0x07) << 1);
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_PLL, config);
+ i2c_write_reg(SII164_PLL, config);
/* Recover from Power Down and enable output. */
- config = i2cReadReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION);
+ config = i2c_read_reg(SII164_CONFIGURATION);
config |= SII164_CONFIGURATION_POWER_NORMAL;
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
+ i2c_write_reg(SII164_CONFIGURATION, config);
return 0;
}
@@ -239,10 +243,6 @@ long sii164InitChip(unsigned char edgeSelect,
return -1;
}
-
-
-
-
/* below sii164 function is not necessary */
#ifdef SII164_FULL_FUNCTIONS
@@ -260,8 +260,8 @@ void sii164ResetChip(void)
/*
* sii164GetChipString
- * This function returns a char string name of the current DVI Controller chip.
- * It's convenient for application need to display the chip name.
+ * This function returns a char string name of the current DVI Controller
+ * chip. It's convenient for application need to display the chip name.
*/
char *sii164GetChipString(void)
{
@@ -279,17 +279,17 @@ void sii164SetPower(unsigned char powerUp)
{
unsigned char config;
- config = i2cReadReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION);
+ config = i2c_read_reg(SII164_CONFIGURATION);
if (powerUp == 1) {
/* Power up the chip */
config &= ~SII164_CONFIGURATION_POWER_MASK;
config |= SII164_CONFIGURATION_POWER_NORMAL;
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
+ i2c_write_reg(SII164_CONFIGURATION, config);
} else {
/* Power down the chip */
config &= ~SII164_CONFIGURATION_POWER_MASK;
config |= SII164_CONFIGURATION_POWER_DOWN;
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
+ i2c_write_reg(SII164_CONFIGURATION, config);
}
}
@@ -302,7 +302,7 @@ void sii164SelectHotPlugDetectionMode(enum sii164_hot_plug_mode hotPlugMode)
{
unsigned char detectReg;
- detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) &
+ detectReg = i2c_read_reg(SII164_DETECT) &
~SII164_DETECT_MONITOR_SENSE_OUTPUT_FLAG;
switch (hotPlugMode) {
case SII164_HOTPLUG_DISABLE:
@@ -321,7 +321,7 @@ void sii164SelectHotPlugDetectionMode(enum sii164_hot_plug_mode hotPlugMode)
break;
}
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_DETECT, detectReg);
+ i2c_write_reg(SII164_DETECT, detectReg);
}
/*
@@ -334,10 +334,11 @@ void sii164EnableHotPlugDetection(unsigned char enableHotPlug)
{
unsigned char detectReg;
- detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT);
+ detectReg = i2c_read_reg(SII164_DETECT);
- /* Depending on each DVI controller, need to enable the hot plug based on each
- * individual chip design.
+ /*
+ * Depending on each DVI controller, need to enable the hot plug based
+ * on each individual chip design.
*/
if (enableHotPlug != 0)
sii164SelectHotPlugDetectionMode(SII164_HOTPLUG_USE_MDI);
@@ -357,7 +358,7 @@ unsigned char sii164IsConnected(void)
{
unsigned char hotPlugValue;
- hotPlugValue = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) &
+ hotPlugValue = i2c_read_reg(SII164_DETECT) &
SII164_DETECT_HOT_PLUG_STATUS_MASK;
if (hotPlugValue == SII164_DETECT_HOT_PLUG_STATUS_ON)
return 1;
@@ -377,7 +378,7 @@ unsigned char sii164CheckInterrupt(void)
{
unsigned char detectReg;
- detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) &
+ detectReg = i2c_read_reg(SII164_DETECT) &
SII164_DETECT_MONITOR_STATE_MASK;
if (detectReg == SII164_DETECT_MONITOR_STATE_CHANGE)
return 1;
@@ -394,13 +395,11 @@ void sii164ClearInterrupt(void)
unsigned char detectReg;
/* Clear the MDI interrupt */
- detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT);
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_DETECT,
- detectReg | SII164_DETECT_MONITOR_STATE_CLEAR);
+ detectReg = i2c_read_reg(SII164_DETECT);
+ i2c_write_reg(SII164_DETECT,
+ detectReg | SII164_DETECT_MONITOR_STATE_CLEAR);
}
-#endif
-
-#endif
-
+#endif /* SII164_FULL_FUNCTIONS */
+#endif /* USE_DVICHIP */
--
2.11.0
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