diff options
Diffstat (limited to 'src/drivers/bitbash/i2c_bit.c')
| -rw-r--r-- | src/drivers/bitbash/i2c_bit.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/drivers/bitbash/i2c_bit.c b/src/drivers/bitbash/i2c_bit.c index a72d14595..decc8d80e 100644 --- a/src/drivers/bitbash/i2c_bit.c +++ b/src/drivers/bitbash/i2c_bit.c @@ -239,6 +239,7 @@ static int i2c_reset ( struct bit_basher *basher ) { * pull SDA low while SCL is high (which creates a start * condition). */ + open_bit ( basher ); setscl ( basher, 0 ); setsda ( basher, 1 ); for ( i = 0 ; i < I2C_RESET_MAX_CYCLES ; i++ ) { @@ -251,6 +252,7 @@ static int i2c_reset ( struct bit_basher *basher ) { i2c_stop ( basher ); DBGC ( basher, "I2CBIT %p reset after %d attempts\n", basher, ( i + 1 ) ); + close_bit ( basher ); return 0; } setscl ( basher, 0 ); @@ -258,6 +260,7 @@ static int i2c_reset ( struct bit_basher *basher ) { DBGC ( basher, "I2CBIT %p could not reset after %d attempts\n", basher, i ); + close_bit ( basher ); return -ETIMEDOUT; } @@ -285,6 +288,8 @@ static int i2c_bit_read ( struct i2c_interface *i2c, DBGC ( basher, "I2CBIT %p reading from device %x: ", basher, i2cdev->dev_addr ); + open_bit ( basher ); + for ( ; ; data++, offset++ ) { /* Select device for writing */ @@ -312,6 +317,7 @@ static int i2c_bit_read ( struct i2c_interface *i2c, DBGC ( basher, "%s\n", ( rc ? "failed" : "" ) ); i2c_stop ( basher ); + close_bit ( basher ); return rc; } @@ -339,6 +345,8 @@ static int i2c_bit_write ( struct i2c_interface *i2c, DBGC ( basher, "I2CBIT %p writing to device %x: ", basher, i2cdev->dev_addr ); + open_bit ( basher ); + for ( ; ; data++, offset++ ) { /* Select device for writing */ @@ -359,9 +367,10 @@ static int i2c_bit_write ( struct i2c_interface *i2c, if ( ( rc = i2c_send_byte ( basher, *data ) ) != 0 ) break; } - + DBGC ( basher, "%s\n", ( rc ? "failed" : "" ) ); i2c_stop ( basher ); + close_bit ( basher ); return rc; } |