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| author | Kumar Gala <galak@kernel.crashing.org> | 2006-03-20 10:42:05 -0600 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2006-03-20 10:42:05 -0600 |
| commit | f8edca2e9a128f526b1fe6f997f7adb852cf5b3c (patch) | |
| tree | 92deb9ddf1153c64ff1ced9392816e60b4ecaa03 /common/soft_i2c.c | |
| parent | 79582020313e6d992a3bac71cf3a9b337f9ac7f7 (diff) | |
| parent | 7b4fd36b0322ec98836a8459d9be80e2777fdc05 (diff) | |
| download | u-boot-imx-f8edca2e9a128f526b1fe6f997f7adb852cf5b3c.zip u-boot-imx-f8edca2e9a128f526b1fe6f997f7adb852cf5b3c.tar.gz u-boot-imx-f8edca2e9a128f526b1fe6f997f7adb852cf5b3c.tar.bz2 | |
Merge branch 'origin'
Conflicts:
CHANGELOG
Diffstat (limited to 'common/soft_i2c.c')
| -rw-r--r-- | common/soft_i2c.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/common/soft_i2c.c b/common/soft_i2c.c index 3d0e08c..b3642da 100644 --- a/common/soft_i2c.c +++ b/common/soft_i2c.c @@ -164,13 +164,10 @@ static void send_ack(int ack) volatile immap_t *immr = (immap_t *)CFG_IMMR; #endif - I2C_ACTIVE; I2C_SCL(0); I2C_DELAY; - - I2C_SDA(ack); - I2C_ACTIVE; + I2C_SDA(ack); I2C_DELAY; I2C_SCL(1); I2C_DELAY; @@ -288,7 +285,10 @@ int i2c_probe(uchar addr) { int rc; - /* perform 1 byte read transaction */ + /* + * perform 1 byte write transaction with just address byte + * (fake write) + */ send_start(); rc = write_byte ((addr << 1) | 0); send_stop(); |