[PATCH 6/6] staging: sm750fb: sm750_sw_i2c_init: return -EINVAL for invalid GPIO

[Soham Kute]

Return -EINVAL instead of -1 when the GPIO pin number is out of
range. The caller checks for non-zero return value as failure.

Signed-off-by: Soham Kute <officialsohamkute@xxxxxxxxx>
---
 drivers/staging/sm750fb/ddk750_swi2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/sm750fb/ddk750_swi2c.c b/drivers/staging/sm750fb/ddk750_swi2c.c
index a17f758dda6c..d90a93ab8fdc 100644
--- a/drivers/staging/sm750fb/ddk750_swi2c.c
+++ b/drivers/staging/sm750fb/ddk750_swi2c.c
@@ -394,7 +394,7 @@ long sm750_sw_i2c_init(unsigned char clk_gpio, unsigned char data_gpio)
 	 * range is only from [0..63]
 	 */
 	if ((clk_gpio > 31) || (data_gpio > 31))
-		return -1;
+		return -EINVAL;
 
 	if (sm750_get_chip_type() == SM750LE)
 		return sm750le_i2c_init(clk_gpio, data_gpio);
-- 
2.34.1