[PATCH 5/6] staging: sm750fb: sw_i2c_write_byte: return -EIO on failure

[Soham Kute <officialsohamkute@gmail.com>]

Return -EIO instead of -1 when the I2C byte write fails.
The caller ignores the return value.

Signed-off-by: Soham Kute <officialsohamkute@gmail.com>
---
 drivers/staging/sm750fb/ddk750_swi2c.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/sm750fb/ddk750_swi2c.c b/drivers/staging/sm750fb/ddk750_swi2c.c
index 0ef8d4ff2ef9..c73943341f66 100644
--- a/drivers/staging/sm750fb/ddk750_swi2c.c
+++ b/drivers/staging/sm750fb/ddk750_swi2c.c
@@ -239,7 +239,7 @@ static void sw_i2c_stop(void)
  *
  *  Return Value:
  *       0   - Success
- *      -1   - Fail to write byte
+ *      -EIO - Fail to write byte
  */
 static long sw_i2c_write_byte(unsigned char data)
 {
@@ -294,7 +294,7 @@ static long sw_i2c_write_byte(unsigned char data)
 	if (i < 0xff)
 		return 0;
 	else
-		return -1;
+		return -EIO;
 }
 
 /*
-- 
2.34.1