From: Hans Verkuil Date: Thu, 15 Jan 2009 08:37:14 +0000 (-0300) Subject: V4L/DVB (10250): cx25840: fix regression: fw not loaded on first use X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=ba390f005573bdf6ab7fd78bb05119036c2ed539;p=linux-2.6-omap-h63xx.git V4L/DVB (10250): cx25840: fix regression: fw not loaded on first use With the conversion to v4l2_subdev one bit of code was accidentally dropped: on receiving the first command the driver has to load the fw. A new init() command was introduced to do that explicitly for bridge drivers that are converted to use v4l2_subdev, but old drivers that are not yet converted no longer worked. This patch fixes this regression for these old drivers. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 88f2fd32bfe..b3b5b17dc8e 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -1382,6 +1382,14 @@ static int cx25840_log_status(struct v4l2_subdev *sd) static int cx25840_command(struct i2c_client *client, unsigned cmd, void *arg) { + /* ignore this command */ + if (cmd == TUNER_SET_TYPE_ADDR) + return 0; + + /* Old-style drivers rely on initialization on first use, so + call the init whenever a command is issued to this driver. + New-style drivers using v4l2_subdev should call init explicitly. */ + cx25840_init(i2c_get_clientdata(client), 0); return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg); }