tps6586 does not support burst writes. i2c writes have to be
1 byte at a time.
CC: stable@xxxxxxxxxx
Signed-off-by: Varun Wadekar <vwadekar@xxxxxxxxxx>
---
v2: use stable@xxxxxxxxxx instead of stable@xxxxxxxxxxxxxxx
drivers/mfd/tps6586x.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c
index c937742..0aa9186 100644
--- a/drivers/mfd/tps6586x.c
+++ b/drivers/mfd/tps6586x.c
@@ -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;
--
1.7.1
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