diff options
| author | Matthias Schwarzott <zzam@gentoo.org> | 2014-10-02 02:21:05 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-10-30 17:42:17 -0200 |
| commit | e4de03f26384452c47fe8b97838aeba3bec4122f (patch) | |
| tree | 2a4e48f0daa4190d0ed070b90983c8d4bd5b19be /drivers/media/usb | |
| parent | 660acd54d1656f6361819d8d6b377a2aa2438748 (diff) | |
| download | linux-e4de03f26384452c47fe8b97838aeba3bec4122f.tar.bz2 | |
[media] cx231xx: scan all four existing i2c busses instead of the 3 masters
The scanning itself just fails (as before this series) but now
the correct busses are scanned.
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-core.c | 6 | ||||
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-i2c.c | 8 |
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c index c49022f4525a..9b5cd9e9b169 100644 --- a/drivers/media/usb/cx231xx/cx231xx-core.c +++ b/drivers/media/usb/cx231xx/cx231xx-core.c @@ -1303,6 +1303,12 @@ int cx231xx_dev_init(struct cx231xx *dev) cx231xx_i2c_mux_register(dev, 0); cx231xx_i2c_mux_register(dev, 1); + /* scan the real bus segments in the order of physical port numbers */ + cx231xx_do_i2c_scan(dev, I2C_0); + cx231xx_do_i2c_scan(dev, I2C_1_MUX_1); + cx231xx_do_i2c_scan(dev, I2C_2); + cx231xx_do_i2c_scan(dev, I2C_1_MUX_3); + /* init hardware */ /* Note : with out calling set power mode function, afe can not be set up correctly */ diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index 3e9dfd808518..d1003c703fb5 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -492,6 +492,9 @@ void cx231xx_do_i2c_scan(struct cx231xx *dev, int i2c_port) int i, rc; struct i2c_client client; + if (!i2c_scan) + return; + memset(&client, 0, sizeof(client)); client.adapter = cx231xx_get_i2c_adap(dev, i2c_port); @@ -528,10 +531,7 @@ int cx231xx_i2c_register(struct cx231xx_i2c *bus) i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev); i2c_add_adapter(&bus->i2c_adap); - if (0 == bus->i2c_rc) { - if (i2c_scan) - cx231xx_do_i2c_scan(dev, bus->nr); - } else + if (0 != bus->i2c_rc) cx231xx_warn("%s: i2c bus %d register FAILED\n", dev->name, bus->nr); |