diff options
Diffstat (limited to 'drivers/s3c24x0_i2c.c')
| -rw-r--r-- | drivers/s3c24x0_i2c.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/s3c24x0_i2c.c b/drivers/s3c24x0_i2c.c index eeb6cf6d1..76b9d954f 100644 --- a/drivers/s3c24x0_i2c.c +++ b/drivers/s3c24x0_i2c.c @@ -89,7 +89,7 @@ static int WaitForXfer(void) i = I2C_TIMEOUT * 1000; status = i2c->IICCON; while ((i > 0) && !(status & I2CCON_IRPND)) { - udelay(1000); + udelay(1000); status = i2c->IICCON; i--; } @@ -181,10 +181,10 @@ void i2c_init (int speed, int slaveadd) */ static int i2c_transfer(unsigned char cmd_type, - unsigned char chip, - unsigned char addr[], - unsigned char addr_len, - unsigned char data[], + unsigned char chip, + unsigned char addr[], + unsigned char addr_len, + unsigned char data[], unsigned short data_len) { S3C24X0_I2C * const i2c = S3C24X0_GetBase_I2C(); @@ -196,7 +196,7 @@ int i2c_transfer(unsigned char cmd_type, return I2C_NOK; } - //CheckDelay(); + /*CheckDelay(); */ /* Check I2C bus idle */ i = I2C_TIMEOUT * 1000; @@ -210,7 +210,7 @@ int i2c_transfer(unsigned char cmd_type, if (status & I2CSTAT_BSY) { result = I2C_NOK_TOUT; - return(result); + return(result); } i2c->IICCON |= 0x80; @@ -251,7 +251,7 @@ int i2c_transfer(unsigned char cmd_type, } if (result == I2C_OK) - result = WaitForXfer(); + result = WaitForXfer(); /* send STOP */ i2c->IICSTAT = I2C_MODE_MR | I2C_TXRX_ENA; @@ -306,7 +306,7 @@ int i2c_transfer(unsigned char cmd_type, /* disable ACK for final READ */ if (i == data_len - 1) i2c->IICCON &= ~0x80; - ReadWriteByte(); + ReadWriteByte(); result = WaitForXfer(); data[i] = i2c->IICDS; i++; @@ -323,7 +323,7 @@ int i2c_transfer(unsigned char cmd_type, default: printf( "i2c_transfer: bad call\n" ); - result = I2C_NOK; + result = I2C_NOK; break; } @@ -356,9 +356,9 @@ int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len) if ( alen > 0 ) { xaddr[0] = (addr >> 24) & 0xFF; - xaddr[1] = (addr >> 16) & 0xFF; - xaddr[2] = (addr >> 8) & 0xFF; - xaddr[3] = addr & 0xFF; + xaddr[1] = (addr >> 16) & 0xFF; + xaddr[2] = (addr >> 8) & 0xFF; + xaddr[3] = addr & 0xFF; } @@ -378,8 +378,8 @@ int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len) chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW); #endif if( (ret = i2c_transfer(I2C_READ, chip<<1, &xaddr[4-alen], alen, buffer, len )) != 0) { - printf( "I2c read: failed %d\n", ret); - return 1; + printf( "I2c read: failed %d\n", ret); + return 1; } return 0; } @@ -394,10 +394,10 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len) } if ( alen > 0 ) { - xaddr[0] = (addr >> 24) & 0xFF; - xaddr[1] = (addr >> 16) & 0xFF; - xaddr[2] = (addr >> 8) & 0xFF; - xaddr[3] = addr & 0xFF; + xaddr[0] = (addr >> 24) & 0xFF; + xaddr[1] = (addr >> 16) & 0xFF; + xaddr[2] = (addr >> 8) & 0xFF; + xaddr[3] = addr & 0xFF; } #ifdef CFG_I2C_EEPROM_ADDR_OVERFLOW @@ -413,7 +413,7 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len) * hidden in the chip address. */ if( alen > 0 ) - chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW); + chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW); #endif return (i2c_transfer(I2C_WRITE, chip<<1, &xaddr[4-alen], alen, buffer, len ) != 0); } |