This patch checks if the CEC device is well created at intialization time.
Acked-by: Russell King rmk+kernel@arm.linux.org.uk Tested-by: Russell King rmk+kernel@arm.linux.org.uk Signed-off-by: Jean-Francois Moine moinejf@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;