diff options
| author | Markus Rechberger <mrechberger@gmail.com> | 2007-04-27 12:31:06 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-04-27 15:43:25 -0300 |
| commit | 77b7477467824098741351b6253a4ad292e28df9 (patch) | |
| tree | 948ae57ed00c6f33400692100523256471fa5b37 /drivers/media/video/cx88/cx88-mpeg.c | |
| parent | acf2821282bdd912f9ca46780879a21679429f85 (diff) | |
| download | lwn-77b7477467824098741351b6253a4ad292e28df9.tar.gz lwn-77b7477467824098741351b6253a4ad292e28df9.zip | |
V4L/DVB (5298): Added support for deferred module requesting to cx88
added support for deferred module requesting to cx88
Signed-off-by: Markus Rechberger <mrechberger@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx88/cx88-mpeg.c')
| -rw-r--r-- | drivers/media/video/cx88/cx88-mpeg.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index 1fe1a833c7c7..cd01d23cd2f1 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -49,6 +49,35 @@ MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); #define mpeg_dbg(level,fmt, arg...) if (debug >= level) \ printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg) +#if defined(CONFIG_MODULES) && defined(MODULE) +static void request_module_async(struct work_struct *work) +{ + struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk); + switch (cx88_boards[dev->core->board].mpeg) { + case CX88_MPEG_BLACKBIRD: + request_module("cx88-blackbird"); + break; + case CX88_MPEG_DVB: + request_module("cx88-dvb"); + break; + case CX88_BOARD_NONE: + /* reaching this one isn't possible */ + break; + default: + printk("cx88-mpeg.c: WARNING extension [%d] is not supposed to be supported\n",cx88_boards[dev->core->board].mpeg); + } +} + +static void request_modules(struct cx8802_dev *dev) +{ + INIT_WORK(&dev->request_module_wk, request_module_async); + schedule_work(&dev->request_module_wk); +} +#else +#define request_modules(dev) +#endif /* CONFIG_MODULES */ + + static LIST_HEAD(cx8802_devlist); /* ------------------------------------------------------------------ */ @@ -778,6 +807,9 @@ static int __devinit cx8802_probe(struct pci_dev *pci_dev, /* Maintain a reference so cx88-video can query the 8802 device. */ core->dvbdev = dev; + + /* now autoload cx88-dvb or cx88-blackbird */ + request_modules(dev); return 0; fail_free: |