regulator: lp3971 - remove unnecessary ret value checking in lp3971_i2c_write()

We already check count value before calling i2c_smbus_read_byte_data(),
no need to check it again.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 8ae3732..5362289 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -377,7 +377,7 @@
 	if (count != 1)
 		return -EIO;
 	ret = i2c_smbus_read_byte_data(i2c, reg);
-	if (ret < 0 || count != 1)
+	if (ret < 0)
 		return -EIO;
 
 	*dest = ret;