[PATCH] ALSA: drivers: Remove the unused variable portman_read_data

[Jiapeng Chong]

Variable portman_read_data is not effectively used, so delete it.

sound/drivers/portman2x4.c:195:18: warning: unused function 'portman_read_data'.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4557
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
 sound/drivers/portman2x4.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c
index 52a656735365..41b46f9ae731 100644
--- a/sound/drivers/portman2x4.c
+++ b/sound/drivers/portman2x4.c
@@ -192,11 +192,6 @@ static inline u8 portman_read_status(struct portman *pm)
 	return parport_read_status(pm->pardev->port);
 }
 
-static inline u8 portman_read_data(struct portman *pm)
-{
-	return parport_read_data(pm->pardev->port);
-}
-
 static inline void portman_write_data(struct portman *pm, u8 value)
 {
 	parport_write_data(pm->pardev->port, value);
-- 
2.20.1.7.g153144c