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[media] em28xx: add comment about Samsung and Kodak sensor probing addresses

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The Windows driver also probes at least two further i2c addresses (0x22 >> 1
and 0x66 >> 1). I've got some hints that they are very likely used by Samsung
and Kodak sensors, which are known to be used in Empia devices, too.
We havn't seen any devices using these sensors yet and don't know how to probe
them properly, so leave a comment.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Frank Schaefer 2013-03-27 17:06:35 -03:00 committed by Mauro Carvalho Chehab
parent bde0368432
commit 52f1f2303f
1 changed files with 5 additions and 0 deletions
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5
drivers/media/usb/em28xx/em28xx-camera.c
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@ -301,6 +301,11 @@ int em28xx_detect_sensor(struct em28xx *dev)
if (dev->em28xx_sensor == EM28XX_NOSENSOR && ret < 0)
ret = em28xx_probe_sensor_omnivision(dev);
/*
* NOTE: the Windows driver also probes i2c addresses
* 0x22 (Samsung ?) and 0x66 (Kodak ?)
*/
if (dev->em28xx_sensor == EM28XX_NOSENSOR && ret < 0) {
em28xx_info("No sensor detected\n");
return -ENODEV;