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[v9,2/4] drm/i2c: tda998x: Change drvdata for audio extension

Message ID f682ee5ef933fd71d7e9ecaa503dff20304c1d75.1420628786.git.moinejf@free.fr (mailing list archive)
State New, archived
Headers show

Commit Message

Jean-Francois Moine Jan. 7, 2015, 10 a.m. UTC 
The device drvdata is used for component bind, but points to the
encoder/connector structure which is hidden from the slave encoder.
For audio extension, the slave encoder private data must be accessible,
so, this patch changes drvdata to the slave encoder private data and
sets it in case of slave encoder use.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
---
 drivers/gpu/drm/i2c/tda998x_drv.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 9d9b072..ce1478d 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -1437,6 +1437,8 @@  static int tda998x_encoder_init(struct i2c_client *client,
 	encoder_slave->slave_priv = priv;
 	encoder_slave->slave_funcs = &tda998x_encoder_slave_funcs;
 
+	dev_set_drvdata(&client->dev, priv);
+
 	return 0;
 }
 
@@ -1563,7 +1565,7 @@  static int tda998x_bind(struct device *dev, struct device *master, void *data)
 	if (!priv)
 		return -ENOMEM;
 
-	dev_set_drvdata(dev, priv);
+	dev_set_drvdata(dev, &priv->base);
 
 	priv->base.encoder = &priv->encoder;
 	priv->connector.interlace_allowed = 1;
@@ -1613,7 +1615,9 @@  err_encoder:
 static void tda998x_unbind(struct device *dev, struct device *master,
 			   void *data)
 {
-	struct tda998x_priv2 *priv = dev_get_drvdata(dev);
+	struct tda998x_priv *priv_s = dev_get_drvdata(dev);
+	struct tda998x_priv2 *priv =
+			container_of(priv_s, struct tda998x_priv2, base);
 
 	drm_connector_cleanup(&priv->connector);
 	drm_encoder_cleanup(&priv->encoder);