This patch checks if the CEC device is well created at intialization
time.
Acked-by: Russell King <rmk+ker...@arm.linux.org.uk>
Tested-by: Russell King <rmk+ker...@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moin...@free.fr>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c
b/drivers/gpu/drm/i2c/tda998x_drv.c
index 7d8bc22..351da92 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1177,6 +1177,8 @@ tda998x_encoder_init(struct i2c_client *client,
priv->current_page = 0xff;
priv->hdmi = client;
priv->cec = i2c_new_dummy(client->adapter, 0x34);
+ if (!priv->cec)
+ return -ENODEV;
priv->dpms = DRM_MODE_DPMS_OFF;
encoder_slave->slave_priv = priv;
--
1.9.rc1
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