diff options
Diffstat (limited to 'drivers/omap24xx_i2c.c')
| -rw-r--r-- | drivers/omap24xx_i2c.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/omap24xx_i2c.c b/drivers/omap24xx_i2c.c index 7423863..b64e713 100644 --- a/drivers/omap24xx_i2c.c +++ b/drivers/omap24xx_i2c.c @@ -44,8 +44,8 @@ void i2c_init (int speed, int slaveadd) /* 12Mhz I2C module clock */ outw (0, I2C_PSC); - speed = speed/1000; /* 100 or 400 */ - scl = ((12000/(speed*2)) - 7); /* use 7 when PSC = 0 */ + speed = speed/1000; /* 100 or 400 */ + scl = ((12000/(speed*2)) - 7); /* use 7 when PSC = 0 */ outw (scl, I2C_SCLL); outw (scl, I2C_SCLH); /* own address */ @@ -174,10 +174,10 @@ static int i2c_write_byte (u8 devaddr, u8 regoffset, u8 value) void flush_fifo(void) { u16 stat; - - /* note: if you try and read data when its not there or ready - * you get a bus error - */ + + /* note: if you try and read data when its not there or ready + * you get a bus error + */ while(1){ stat = inw(I2C_STAT); if(stat == I2C_STAT_RRDY){ @@ -210,11 +210,11 @@ int i2c_probe (uchar chip) udelay (50000); if (!(inw (I2C_STAT) & I2C_STAT_NACK)) { - res = 0; /* success case */ + res = 0; /* success case */ flush_fifo(); outw(0xFFFF, I2C_STAT); } else { - outw(0xFFFF, I2C_STAT); /* failue, clear sources*/ + outw(0xFFFF, I2C_STAT); /* failue, clear sources*/ outw (inw (I2C_CON) | I2C_CON_STP, I2C_CON); /* finish up xfer */ udelay(20000); wait_for_bb (); @@ -280,7 +280,7 @@ static void wait_for_bb (void) int timeout = 10; u16 stat; - outw(0xFFFF, I2C_STAT); /* clear current interruts...*/ + outw(0xFFFF, I2C_STAT); /* clear current interruts...*/ while ((stat = inw (I2C_STAT) & I2C_STAT_BB) && timeout--) { outw (stat, I2C_STAT); udelay (50000); @@ -290,7 +290,7 @@ static void wait_for_bb (void) printf ("timed out in wait_for_bb: I2C_STAT=%x\n", inw (I2C_STAT)); } - outw(0xFFFF, I2C_STAT); /* clear delayed stuff*/ + outw(0xFFFF, I2C_STAT); /* clear delayed stuff*/ } static u16 wait_for_pin (void) @@ -309,7 +309,7 @@ static u16 wait_for_pin (void) if (timeout <= 0) { printf ("timed out in wait_for_pin: I2C_STAT=%x\n", inw (I2C_STAT)); - outw(0xFFFF, I2C_STAT); + outw(0xFFFF, I2C_STAT); } return status; } |