V4L/DVB (3294): Fix [Bug 5895] to correct snd_87x autodetect

With DVB drivers enabled snd_87x (ALSA) don't detect.


Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 43 insertions, 1 deletions

diff --git a/drivers/media/dvb/bt8xx/bt878.c b/drivers/media/dvb/bt8xx/bt878.c
index a04bb61f21f4..34c3189a1a33 100644
--- a/drivers/media/dvb/bt8xx/bt878.c
+++ b/drivers/media/dvb/bt8xx/bt878.c
@@ -381,6 +381,23 @@ bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *
 
 EXPORT_SYMBOL(bt878_device_control);
 
+
+struct cards card_list[] __devinitdata = {
+
+        { 0x01010071, BTTV_BOARD_NEBULA_DIGITV,                 "Nebula Electronics DigiTV" },
+        { 0x07611461, BTTV_BOARD_AVDVBT_761,                    "AverMedia AverTV DVB-T 761" },
+        { 0x001c11bd, BTTV_BOARD_PINNACLESAT,                   "Pinnacle PCTV Sat" },
+        { 0x002611bd, BTTV_BOARD_TWINHAN_DST,                   "Pinnacle PCTV SAT CI" },
+        { 0x00011822, BTTV_BOARD_TWINHAN_DST,                   "Twinhan VisionPlus DVB" },
+        { 0xfc00270f, BTTV_BOARD_TWINHAN_DST,                   "ChainTech digitop DST-1000 DVB-S" },
+        { 0x07711461, BTTV_BOARD_AVDVBT_771,                    "AVermedia AverTV DVB-T 771" },
+        { 0xdb1018ac, BTTV_BOARD_DVICO_DVBT_LITE,               "DViCO FusionHDTV DVB-T Lite" },
+        { 0xd50018ac, BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE,       "DViCO FusionHDTV 5 Lite" },
+        { 0x20007063, BTTV_BOARD_PC_HDTV,                       "pcHDTV HD-2000 TV"},
+        { 0, -1, NULL }
+};
+
+
 /***********************/
 /* PCI device handling */
 /***********************/
@@ -388,18 +405,41 @@ EXPORT_SYMBOL(bt878_device_control);
 static int __devinit bt878_probe(struct pci_dev *dev,
                                  const struct pci_device_id *pci_id)
 {
-        int result;
+        int result = 0, has_dvb = 0, i;
         unsigned char lat;
         struct bt878 *bt;
 #if defined(__powerpc__)
         unsigned int cmd;
 #endif
+        unsigned int cardid;
+        unsigned short id;
+        struct cards *dvb_cards;
 
         printk(KERN_INFO "bt878: Bt878 AUDIO function found (%d).\n",
                bt878_num);
         if (pci_enable_device(dev))
                 return -EIO;
 
+        pci_read_config_word(dev, PCI_SUBSYSTEM_ID, &id);
+        cardid = id << 16;
+        pci_read_config_word(dev, PCI_SUBSYSTEM_VENDOR_ID, &id);
+        cardid |= id;
+
+        for (i = 0, dvb_cards = card_list; i < ARRAY_SIZE(card_list); i++, dvb_cards++) {
+                if (cardid == dvb_cards->pci_id) {
+                        printk("%s: card id=[0x%x],[ %s ] has DVB functions.\n",
+                                __func__, cardid, dvb_cards->name);
+                        has_dvb = 1;
+                }
+        }
+
+        if (!has_dvb) {
+                printk("%s: card id=[0x%x], Unknown card.\nExiting..\n", __func__, cardid);
+                result = -EINVAL;
+
+                goto fail0;
+        }
+
         bt = &bt878[bt878_num];
         bt->dev = dev;
         bt->nr = bt878_num;
@@ -416,6 +456,8 @@ static int __devinit bt878_probe(struct pci_dev *dev,
 
         pci_read_config_byte(dev, PCI_CLASS_REVISION, &bt->revision);
         pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
+
+
         printk(KERN_INFO "bt878(%d): Bt%x (rev %d) at %02x:%02x.%x, ",
                bt878_num, bt->id, bt->revision, dev->bus->number,
                PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));