From 3b28802e37bb1ca1cab584f679c42e72a7e384f8 Mon Sep 17 00:00:00 2001
From: David Herrmann <dh.herrmann@gmail.com>
Date: Sun, 1 Sep 2013 15:23:04 +0200
Subject: drm/tda998x: BUG() on invalid audio format

Suppress warning of unused-variables by adding a BUG()+return for invalid
audio-formats.

Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index c2bd711..b1f8fc6 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -596,6 +596,10 @@ tda998x_configure_audio(struct drm_encoder *encoder,
 		cts_n = CTS_N_M(3) | CTS_N_K(3);
 		ca_i2s = CA_I2S_CA_I2S(0);
 		break;
+
+	default:
+		BUG();
+		return;
 	}
 
 	reg_write(encoder, REG_AIP_CLKSEL, clksel_aip);
-- 
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