V4L/DVB (3702): Make msp3400 routing defines more consistent

Renamed various msp3400 routing defines to be more consistent and less
confusing. Esp. the MSP_DSP_OUT defines were confusing since it is really
a DSP input.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index f62fd706b..3ba3439 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -151,8 +151,8 @@
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = 2,
-			.amux     = MSP_INPUT(MSP_IN_SCART_1, MSP_IN_TUNER_1,
-					MSP_DSP_OUT_SCART, MSP_DSP_OUT_SCART),
+			.amux     = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
+					MSP_DSP_IN_SCART, MSP_DSP_IN_SCART),
 		}},
 	},
 	[EM2820_BOARD_MSI_VOX_USB_2] = {