22 Jun
2012
22 Jun
'12
7 p.m.
Dear Troy Kisky,
Signed-off-by: Troy Kisky troy.kisky@boundarydevices.com
Acked-by: Marek Vasut marex@denx.de
drivers/i2c/mxc_i2c.c | 29 ++++++++--------------------- 1 file changed, 8 insertions(+), 21 deletions(-)
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index 626960d..4f12b9e 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -302,27 +302,6 @@ exit: }
/*
- Try if a chip add given address responds (probe the chip)
- */
-int i2c_probe(uchar chip) -{
- struct mxc_i2c_regs *i2c_regs = (struct mxc_i2c_regs *)I2C_BASE;
- int ret;
- ret = i2c_imx_start();
- if (ret)
return ret;- ret = tx_byte(i2c_regs, chip << 1);
- if (ret)
return ret;- i2c_imx_stop();
- return ret;
-}
-/*
- Read data from I2C device
*/ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len) @@ -404,3 +383,11 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)
return ret; }
+/*
- Try if a chip add given address responds (probe the chip)
- */
+int i2c_probe(uchar chip) +{
- return i2c_write(chip, 0, 0, NULL, 0);
+}
Best regards, Marek Vasut