[PATCH] [media] msp3400: use IS_ENABLED check instead of #if

A recent patch broke the msp3400 driver when CONFIG_MEDIA_CONTROLLER
is not set:

drivers/media/i2c/msp3400-driver.h:107:5: error: "CONFIG_MEDIA_CONTROLLER" is not defined [-Werror=undef]

It was clearly a typo, and this patch changes the
"#if CONFIG_MEDIA_CONTROLLER" to a working IS_ENABLED() check.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: fb4932821731 ("[media] msp3400: initialize MC data")
---
 drivers/media/i2c/msp3400-driver.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/msp3400-driver.h b/drivers/media/i2c/msp3400-driver.h
index f0bb37dc9013..a8702aca187a 100644
--- a/drivers/media/i2c/msp3400-driver.h
+++ b/drivers/media/i2c/msp3400-driver.h

@@ -104,7 +104,7 @@ struct msp_state {
 	unsigned int         restart:1;
 	unsigned int         watch_stereo:1;
 
-#if CONFIG_MEDIA_CONTROLLER
+#if IS_ENABLED(CONFIG_MEDIA_CONTROLLER)
 	struct media_pad pads[IF_AUD_DEC_PAD_NUM_PADS];
 #endif
 };

-- 
2.7.0