drm/i2c: tda998x: fix audio muting

Fix a bug that was introduced in commit c4c11dd ("drm/i2c: tda998x:
add video and audio input configuration") when Sebastian cleaned up my
original patch.  Without this being fixed, audio is muted when the
display is turned off, never to be re-enabled.

Signed-off-by: Russell King <[email protected]>
Cc: Sebastian Hesselbarth <[email protected]>
Cc: Darren Etheridge <[email protected]>
Cc: Dave Airlie <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Author: Russell King

drivers/gpu/drm/i2c/tda998x_drv.c

@@ -707,8 +707,7 @@ tda998x_encoder_dpms(struct drm_encoder *encoder, int mode)
 		reg_write(encoder, REG_VIP_CNTRL_2, priv->vip_cntrl_2);
 		break;
 	case DRM_MODE_DPMS_OFF:
-		/* disable audio and video ports */
-		reg_write(encoder, REG_ENA_AP, 0x00);
+		/* disable video ports */
 		reg_write(encoder, REG_ENA_VP_0, 0x00);
 		reg_write(encoder, REG_ENA_VP_1, 0x00);
 		reg_write(encoder, REG_ENA_VP_2, 0x00);