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| author | Heiko Schocher <hs@pollux.denx.de> | 2007-01-14 13:35:31 +0100 |
|---|---|---|
| committer | Heiko Schocher <hs@pollux.denx.de> | 2007-01-14 13:35:31 +0100 |
| commit | a443d31410c571ee8f970da819a44d698fdd6b1f (patch) | |
| tree | be48d52398af25cbfab47bb3fbab912dac60d410 | |
| parent | 6dedf3d49dd14c3bf541c8ecee7ffaac5f0e1d6c (diff) | |
| download | u-boot-imx-a443d31410c571ee8f970da819a44d698fdd6b1f.zip u-boot-imx-a443d31410c571ee8f970da819a44d698fdd6b1f.tar.gz u-boot-imx-a443d31410c571ee8f970da819a44d698fdd6b1f.tar.bz2 | |
[FIX] correct I2C Writes for the LM81 Sensor.
Signed-off-by: Heiko Schocher <hs@denx.de>
| -rw-r--r-- | dtt/lm81.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -80,7 +80,7 @@ int dtt_write(int sensor, int reg, int val) /* * Write value to register. */ - if (i2c_write(sensor, reg, 1, data, 1) != 0) + if (i2c_write(sensor, reg, 1, &data, 1) != 0) return 1; return 0; @@ -88,6 +88,7 @@ int dtt_write(int sensor, int reg, int val) #define DTT_MANU 0x3e #define DTT_REV 0x3f +#define DTT_CONFIG 0x40 #define DTT_ADR 0x48 static int _dtt_init(int sensor) @@ -98,6 +99,8 @@ static int _dtt_init(int sensor) if (dtt_write (sensor, DTT_CONFIG, 0x01) < 0) return 1; + /* The LM81 needs 400ms to get the correct values ... */ + udelay (400000); man = dtt_read (sensor, DTT_MANU); if (man != 0x01) return 1; @@ -109,8 +112,6 @@ static int _dtt_init(int sensor) return 1; printf ("DTT: Found LM81@%x Rev: %d\n", adr, rev); - /* The LM81 needs 400ms to get the correct values ... */ - udelay (400000); return 0; } /* _dtt_init() */ |