diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-07-22 12:52:40 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-09 22:03:20 -0300 |
| commit | c976bc82339437e840f7dbf0b8c89c09d3fcd75e (patch) | |
| tree | a8e48cead1f061340fe19890fde43d880c26b92a /drivers/media/video/cx25840 | |
| parent | fa8a7529ba8c3c2f87dec78ad32c388695f4c1b7 (diff) | |
| download | op-kernel-dev-c976bc82339437e840f7dbf0b8c89c09d3fcd75e.zip op-kernel-dev-c976bc82339437e840f7dbf0b8c89c09d3fcd75e.tar.gz | |
V4L/DVB (5922): ivtv, cx25840: postpone fw load until first use
The firmware is now loaded when the driver is actually used for the first
time. This allows the driver to be compiled in-kernel instead of as a module.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx25840')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 21 | ||||
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-core.h | 1 |
2 files changed, 17 insertions, 5 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 67bda9f..9c12bd3 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -625,6 +625,22 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd, struct v4l2_tuner *vt = arg; struct v4l2_routing *route = arg; + /* ignore these commands */ + switch (cmd) { + case TUNER_SET_TYPE_ADDR: + return 0; + } + + if (!state->is_initialized) { + v4l_dbg(1, cx25840_debug, client, "cmd %08x triggered fw load\n", cmd); + /* initialize on first use */ + state->is_initialized = 1; + if (state->is_cx25836) + cx25836_initialize(client); + else + cx25840_initialize(client, 1); + } + switch (cmd) { #ifdef CONFIG_VIDEO_ADV_DEBUG /* ioctls to allow direct access to the @@ -906,11 +922,6 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address, i2c_attach_client(client); - if (state->is_cx25836) - cx25836_initialize(client); - else - cx25840_initialize(client, 1); - return 0; } diff --git a/drivers/media/video/cx25840/cx25840-core.h b/drivers/media/video/cx25840/cx25840-core.h index f4b56d2..8c1fbd9 100644 --- a/drivers/media/video/cx25840/cx25840-core.h +++ b/drivers/media/video/cx25840/cx25840-core.h @@ -46,6 +46,7 @@ struct cx25840_state { u32 id; u32 rev; int is_cx25836; + int is_initialized; }; /* ----------------------------------------------------------------------- */ |
