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mfd: Avoid tps6586x burst writes 

tps6586 does not support burst writes. i2c writes have to be
1 byte at a time.

Cc: stable@kernel.org
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
vwadekar@nvidia.com 2011-02-24 10:18:13 +05:30 committed by Samuel Ortiz
parent 77bd70e900
commit 4b57018dcd
1 changed files with 5 additions and 5 deletions
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10
drivers/mfd/tps6586x.c
View File

@ -150,12 +150,12 @@ 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;