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drm/i2c: tda998x: check the CEC device creation

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This patch checks if the CEC device is well created at intialization
time.

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>
This commit is contained in:
Jean-Francois Moine 2014-01-25 18:14:43 +01:00 committed by Russell King
parent 7288ca07b6
commit 6ae668cc19
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i2c/tda998x_drv.c
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@ -1144,6 +1144,8 @@ tda998x_encoder_init(struct i2c_client *client,
priv->current_page = 0; priv->current_page = 0;
priv->cec = i2c_new_dummy(client->adapter, 0x34); priv->cec = i2c_new_dummy(client->adapter, 0x34);
if (!priv->cec)
return -ENODEV;
priv->dpms = DRM_MODE_DPMS_OFF; priv->dpms = DRM_MODE_DPMS_OFF;
encoder_slave->slave_priv = priv; encoder_slave->slave_priv = priv;