From: Frank Schaefer Date: Wed, 27 Mar 2013 20:06:35 +0000 (-0300) Subject: [media] em28xx: add comment about Samsung and Kodak sensor probing addresses X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=52f1f2303f131d6d287a5316e35a4ec0d8ac8b98;p=deliverable%2Flinux.git [media] em28xx: add comment about Samsung and Kodak sensor probing addresses 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 Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/usb/em28xx/em28xx-camera.c b/drivers/media/usb/em28xx/em28xx-camera.c index e8b3322242c0..64b70d42da1e 100644 --- a/drivers/media/usb/em28xx/em28xx-camera.c +++ b/drivers/media/usb/em28xx/em28xx-camera.c @@ -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;