drm/i2c: tda998x: free the CEC device on encoder_destroy

The cec i2c device is created in tda998x_encoder_init() when the DRM
driver starts.
This patch frees it when the DRM driver is unloaded.

Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index c37180abcc4b..de0572ec597e 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1094,6 +1094,8 @@ tda998x_encoder_destroy(struct drm_encoder *encoder)
 {
         struct tda998x_priv *priv = to_tda998x_priv(encoder);
         drm_i2c_encoder_destroy(encoder);
+        if (priv->cec)
+                i2c_unregister_device(priv->cec);
         kfree(priv);
 }