d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Ignore IIC_ENOADDR from iicbus_reset() as it only means we have a

Browse Source 
master-only controller.

This fixes the iic bus scan with i2c(8) (on supported controllers).

Tested with gpioiic(4).
This commit is contained in:
Luiz Otavio O Souza 2014-05-31 14:38:05 +00:00
parent e72f32cd0f
commit 34aa2211e7
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/dev/iicbus/iic.c
View File

@ -322,6 +322,12 @@ iicioctl(struct cdev *dev, u_long cmd, caddr_t data, int flags, struct thread *t
case I2CRSTCARD:
error = iicbus_reset(parent, IIC_UNKNOWN, 0, NULL);
/*
* Ignore IIC_ENOADDR as it only means we have a master-only
* controller.
*/
if (error == IIC_ENOADDR)
error = 0;
break;
case I2CWRITE: