mfd: Avoid tps6586x burst writes

tps6586 does not support burst writes. i2c writes have to be 1 byte at a time. Cc: [email protected] Signed-off-by: Varun Wadekar <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]>
RyanHsu · Mar 2, 2011 · 4b57018 · 4b57018
1 parent 77bd70e
commit 4b57018
Showing 1 changed file with 5 additions and 5 deletions.
diff --git 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;