From 588a737af5a60c380136bb6e400ca29a6ad0e216 Mon Sep 17 00:00:00 2001 From: "vwadekar@nvidia.com" Date: Thu, 24 Feb 2011 10:18:13 +0530 Subject: mfd: Avoid tps6586x burst writes commit 4b57018dcd6418e18c08088c89f123da8a7bfc45 upstream. tps6586 does not support burst writes. i2c writes have to be 1 byte at a time. Signed-off-by: Varun Wadekar Signed-off-by: Samuel Ortiz Signed-off-by: Greg Kroah-Hartman --- drivers/mfd/tps6586x.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index b4931ab34929..31882f63225f 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -152,12 +152,12 @@ static inline int __tps6586x_write(struct i2c_client *client, static inline int __tps6586x_writes(struct i2c_client *client, int reg, int len, uint8_t *val) { - int ret; + int ret, i; - ret = i2c_smbus_write_i2c_block_data(client, reg, len, val); - if (ret < 0) { - dev_err(&client->dev, "failed writings to 0x%02x\n", reg); - return ret; + for (i = 0; i < len; i++) { + ret = __tps6586x_write(client, reg + i, *(val + i)); + if (ret < 0) + return ret; } return 0; -- cgit v1.2.3