staging: sm750fb: ddk750_swi2c: rename CamelCase static functions
Fix the checkpatch warning about CamelCase. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Rapoport
Greg Kroah-Hartman
parent
01a64c4469
commit
6c78f4ce60
@ -82,7 +82,7 @@ static unsigned long g_i2cDataGPIODataDirReg = GPIO_DATA_DIRECTION;
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/*
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* This function puts a delay between command
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*/
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static void swI2CWait(void)
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static void sw_i2c_wait(void)
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{
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/* find a bug:
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* peekIO method works well before suspend/resume
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@ -119,7 +119,7 @@ static void swI2CWait(void)
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* signal because the i2c will fail when other device try to drive the
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* signal due to SM50x will drive the signal to always high.
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*/
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static void swI2CSCL(unsigned char value)
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static void sw_i2c_scl(unsigned char value)
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{
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unsigned long ulGPIOData;
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unsigned long ulGPIODirection;
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@ -153,7 +153,7 @@ static void swI2CSCL(unsigned char value)
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* signal because the i2c will fail when other device try to drive the
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* signal due to SM50x will drive the signal to always high.
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*/
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static void swI2CSDA(unsigned char value)
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static void sw_i2c_sda(unsigned char value)
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{
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unsigned long ulGPIOData;
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unsigned long ulGPIODirection;
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@ -181,7 +181,7 @@ static void swI2CSDA(unsigned char value)
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* Return Value:
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* The SDA data bit sent by the Slave
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*/
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static unsigned char swI2CReadSDA(void)
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static unsigned char sw_i2c_read_sda(void)
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{
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unsigned long ulGPIODirection;
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unsigned long ulGPIOData;
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@ -204,7 +204,7 @@ static unsigned char swI2CReadSDA(void)
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/*
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* This function sends ACK signal
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*/
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static void swI2CAck(void)
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static void sw_i2c_ack(void)
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{
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return; /* Single byte read is ok without it. */
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}
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@ -212,23 +212,23 @@ static void swI2CAck(void)
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/*
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* This function sends the start command to the slave device
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*/
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static void swI2CStart(void)
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static void sw_i2c_start(void)
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{
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/* Start I2C */
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swI2CSDA(1);
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swI2CSCL(1);
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swI2CSDA(0);
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sw_i2c_sda(1);
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sw_i2c_scl(1);
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sw_i2c_sda(0);
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}
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/*
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* This function sends the stop command to the slave device
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*/
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static void swI2CStop(void)
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static void sw_i2c_stop(void)
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{
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/* Stop the I2C */
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swI2CSCL(1);
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swI2CSDA(0);
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swI2CSDA(1);
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sw_i2c_scl(1);
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sw_i2c_sda(0);
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sw_i2c_sda(1);
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}
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/*
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@ -241,7 +241,7 @@ static void swI2CStop(void)
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* 0 - Success
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* -1 - Fail to write byte
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*/
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static long swI2CWriteByte(unsigned char data)
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static long sw_i2c_write_byte(unsigned char data)
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{
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unsigned char value = data;
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int i;
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@ -249,47 +249,47 @@ static long swI2CWriteByte(unsigned char data)
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/* Sending the data bit by bit */
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for (i = 0; i < 8; i++) {
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/* Set SCL to low */
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swI2CSCL(0);
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sw_i2c_scl(0);
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/* Send data bit */
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if ((value & 0x80) != 0)
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swI2CSDA(1);
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sw_i2c_sda(1);
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else
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swI2CSDA(0);
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sw_i2c_sda(0);
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swI2CWait();
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sw_i2c_wait();
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/* Toggle clk line to one */
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swI2CSCL(1);
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swI2CWait();
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sw_i2c_scl(1);
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sw_i2c_wait();
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/* Shift byte to be sent */
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value = value << 1;
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}
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/* Set the SCL Low and SDA High (prepare to get input) */
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swI2CSCL(0);
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swI2CSDA(1);
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sw_i2c_scl(0);
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sw_i2c_sda(1);
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/* Set the SCL High for ack */
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swI2CWait();
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swI2CSCL(1);
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swI2CWait();
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sw_i2c_wait();
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sw_i2c_scl(1);
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sw_i2c_wait();
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/* Read SDA, until SDA==0 */
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for (i = 0; i < 0xff; i++) {
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if (!swI2CReadSDA())
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if (!sw_i2c_read_sda())
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break;
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swI2CSCL(0);
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swI2CWait();
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swI2CSCL(1);
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swI2CWait();
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sw_i2c_scl(0);
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sw_i2c_wait();
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sw_i2c_scl(1);
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sw_i2c_wait();
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}
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/* Set the SCL Low and SDA High */
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swI2CSCL(0);
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swI2CSDA(1);
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sw_i2c_scl(0);
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sw_i2c_sda(1);
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if (i < 0xff)
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return 0;
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@ -307,31 +307,31 @@ static long swI2CWriteByte(unsigned char data)
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* Return Value:
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* One byte data read from the Slave device
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*/
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static unsigned char swI2CReadByte(unsigned char ack)
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static unsigned char sw_i2c_read_byte(unsigned char ack)
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{
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int i;
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unsigned char data = 0;
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for (i = 7; i >= 0; i--) {
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/* Set the SCL to Low and SDA to High (Input) */
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swI2CSCL(0);
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swI2CSDA(1);
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swI2CWait();
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sw_i2c_scl(0);
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sw_i2c_sda(1);
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sw_i2c_wait();
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/* Set the SCL High */
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swI2CSCL(1);
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swI2CWait();
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sw_i2c_scl(1);
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sw_i2c_wait();
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/* Read data bits from SDA */
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data |= (swI2CReadSDA() << i);
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data |= (sw_i2c_read_sda() << i);
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}
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if (ack)
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swI2CAck();
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sw_i2c_ack();
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/* Set the SCL Low and SDA High */
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swI2CSCL(0);
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swI2CSDA(1);
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sw_i2c_scl(0);
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sw_i2c_sda(1);
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return data;
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}
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@ -347,7 +347,7 @@ static unsigned char swI2CReadByte(unsigned char ack)
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* -1 - Fail to initialize the i2c
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* 0 - Success
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*/
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static long swI2CInit_SM750LE(unsigned char i2cClkGPIO,
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static long sm750le_i2c_init(unsigned char i2cClkGPIO,
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unsigned char i2cDataGPIO)
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{
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int i;
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@ -370,7 +370,7 @@ static long swI2CInit_SM750LE(unsigned char i2cClkGPIO,
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/* Clear the i2c lines. */
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for (i = 0; i < 9; i++)
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swI2CStop();
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sw_i2c_stop();
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return 0;
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}
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@ -398,7 +398,7 @@ long sm750_sw_i2c_init(
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return -1;
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if (getChipType() == SM750LE)
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return swI2CInit_SM750LE(i2cClkGPIO, i2cDataGPIO);
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return sm750le_i2c_init(i2cClkGPIO, i2cDataGPIO);
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/* Initialize the GPIO pin for the i2c Clock Register */
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g_i2cClkGPIOMuxReg = GPIO_MUX;
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@ -427,7 +427,7 @@ long sm750_sw_i2c_init(
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/* Clear the i2c lines. */
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for (i = 0; i < 9; i++)
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swI2CStop();
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sw_i2c_stop();
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return 0;
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}
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@ -451,21 +451,21 @@ unsigned char sm750_sw_i2c_read_reg(
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unsigned char data;
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/* Send the Start signal */
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swI2CStart();
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sw_i2c_start();
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/* Send the device address */
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swI2CWriteByte(deviceAddress);
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sw_i2c_write_byte(deviceAddress);
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/* Send the register index */
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swI2CWriteByte(registerIndex);
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sw_i2c_write_byte(registerIndex);
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/* Get the bus again and get the data from the device read address */
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swI2CStart();
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swI2CWriteByte(deviceAddress + 1);
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data = swI2CReadByte(1);
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sw_i2c_start();
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sw_i2c_write_byte(deviceAddress + 1);
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data = sw_i2c_read_byte(1);
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/* Stop swI2C and release the bus */
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swI2CStop();
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sw_i2c_stop();
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return data;
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}
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@ -492,19 +492,19 @@ long sm750_sw_i2c_write_reg(
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long returnValue = 0;
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/* Send the Start signal */
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swI2CStart();
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sw_i2c_start();
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/* Send the device address and read the data. All should return success
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in order for the writing processed to be successful
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*/
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if ((swI2CWriteByte(deviceAddress) != 0) ||
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(swI2CWriteByte(registerIndex) != 0) ||
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(swI2CWriteByte(data) != 0)) {
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if ((sw_i2c_write_byte(deviceAddress) != 0) ||
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(sw_i2c_write_byte(registerIndex) != 0) ||
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(sw_i2c_write_byte(data) != 0)) {
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returnValue = -1;
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}
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/* Stop i2c and release the bus */
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swI2CStop();
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sw_i2c_stop();
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return returnValue;
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}
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