hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[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>
This commit is contained in:
Matthias Schwarzott 2014-10-02 02:21:05 -03:00 committed by Mauro Carvalho Chehab
parent 660acd54d1
commit e4de03f263
2 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/media/usb/cx231xx/cx231xx-core.c
View File

@ -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 */

8
drivers/media/usb/cx231xx/cx231xx-i2c.c
View File

@ -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);