Commit 5ebffa6b authored by Zhiwu Song's avatar Zhiwu Song Committed by Wolfram Sang

i2c: sirf: support reverse direction of address

if users set I2C_M_REV_DIR_ADDR, revert the direction of address.
Signed-off-by: default avatarZhiwu Song <Zhiwu.Song@csr.com>
Signed-off-by: default avatarRongjun Ying <rongjun.ying@csr.com>
Signed-off-by: default avatarBarry Song <Baohua.Song@csr.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 4602bf16
......@@ -194,6 +194,10 @@ static void i2c_sirfsoc_set_address(struct sirfsoc_i2c *siic,
if (msg->flags & I2C_M_RD)
addr |= 1;
/* Reverse direction bit */
if (msg->flags & I2C_M_REV_DIR_ADDR)
addr ^= 1;
writel(addr, siic->base + SIRFSOC_I2C_CMD(siic->cmd_ptr++));
}
......
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