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The PCI device ID table is only used if compiled with modules
support. When compiled with modules disabled, this is now
producing this bogus warning:
drivers/media/pci/cx25821/cx25821-alsa.c:696:35: warning: 'cx25821_audio_pci_tbl' defined but not used [-Wunused-const-variable=]
static const struct pci_device_id cx25821_audio_pci_tbl[] = {
^~~~~~~~~~~~~~~~~~~~~
Fix it by annotating that the function may not be used.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Instead of manually initializing the bool array enable, use the
SNDRV_DEFAULT_ENABLE_PNP macro. As most drivers do.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The alsa driver uses videobuf low-level functions that are not
available in vb2, so replace them by driver-specific functions.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Those btcx_risc functions are meant for use with bttv, other drivers
should just allocate the memory themselves.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Don't use DEFINE_PCI_DEVICE_TABLE macro, because this macro
is not preferred.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The hole reason for __must_check is to not ignore an error.
However, a "ret" value is used at cx25821 just to avoid the
Kernel compilation to compain about it.
That, however, produces another warning (with W=1):
drivers/media/pci/cx25821/cx25821-alsa.c: In function 'cx25821_audio_fini':
drivers/media/pci/cx25821/cx25821-alsa.c:727:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
With the current implementation of driver_for_each_device() and
cx25821_alsa_exit_callback(), there's actually just one
very unlikely condition where it will currently produce
an error: if driver_find() returns NULL.
Ok, there's not much that can be done, as it is on a driver's
function that returns void, but it can at least print some message
if the error happens.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This device list is not necessary. The kernel already has all that information,
so just use that instead.
Also remove a bogus refcount and some dead 'private_free' code in the alsa driver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
And get rid of the channel0-11 external pointers and two more unused fields
in cx25821.h.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Rename all PCI drivers with their own directory under
drivers/media/video into drivers/media/pci and update the
building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
