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rockchip: i2c: fix >32 byte writes

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The special handling of the chip address and register address must only
happen before we send the data buffer, otherwise we will end up
inserting both of these every 32 bytes.

Signed-off-by: John Keeping <john@metanate.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
John Keeping 2016-08-18 20:08:42 +01:00 • committed by Heiko Schocher
parent 551288bd8b
commit 21d4b7d4e1
1 changed files with 2 additions and 2 deletions
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4
drivers/i2c/rk_i2c.c
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@ -269,9 +269,9 @@ static int rk_i2c_write(struct rk_i2c *i2c, uchar chip, uint reg, uint r_len,
if ((i * 4 + j) == bytes_xferred)
break;
if (i == 0 && j == 0) {
if (i == 0 && j == 0 && pbuf == buf) {
txdata |= (chip << 1);
} else if (i == 0 && j <= r_len) {
} else if (i == 0 && j <= r_len && pbuf == buf) {
txdata |= (reg &
(0xff << ((j - 1) * 8))) << 8;
} else {