diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-i2c.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-i2c.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c index e2003455f2b..acd853d217e 100644 --- a/drivers/media/video/em28xx/em28xx-i2c.c +++ b/drivers/media/video/em28xx/em28xx-i2c.c @@ -533,19 +533,26 @@ static char *i2c_devs[128] = { * do_i2c_scan() * check i2c address range for devices */ -static void do_i2c_scan(char *name, struct i2c_client *c) +void em28xx_do_i2c_scan(struct em28xx *dev) { + u8 i2c_devicelist[128]; unsigned char buf; int i, rc; + memset(i2c_devicelist, 0, ARRAY_SIZE(i2c_devicelist)); + for (i = 0; i < ARRAY_SIZE(i2c_devs); i++) { - c->addr = i; - rc = i2c_master_recv(c, &buf, 0); + dev->i2c_client.addr = i; + rc = i2c_master_recv(&dev->i2c_client, &buf, 0); if (rc < 0) continue; - printk(KERN_INFO "%s: found i2c device @ 0x%x [%s]\n", name, - i << 1, i2c_devs[i] ? i2c_devs[i] : "???"); + i2c_devicelist[i] = i; + printk(KERN_INFO "%s: found i2c device @ 0x%x [%s]\n", + dev->name, i << 1, i2c_devs[i] ? i2c_devs[i] : "???"); } + + dev->i2c_hash = em28xx_hash_mem(i2c_devicelist, + ARRAY_SIZE(i2c_devicelist), 32); } /* @@ -578,7 +585,7 @@ int em28xx_i2c_register(struct em28xx *dev) em28xx_i2c_eeprom(dev, dev->eedata, sizeof(dev->eedata)); if (i2c_scan) - do_i2c_scan(dev->name, &dev->i2c_client); + em28xx_do_i2c_scan(dev); return 0; } |