diff options
Diffstat (limited to 'include/linux/i2c-mux.h')
| -rw-r--r-- | include/linux/i2c-mux.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/i2c-mux.h b/include/linux/i2c-mux.h index 98ef73b7c8fd..43c40680d8c5 100644 --- a/include/linux/i2c-mux.h +++ b/include/linux/i2c-mux.h @@ -14,6 +14,7 @@ #ifdef __KERNEL__ #include <linux/bitops.h> +#include <linux/workqueue.h> struct i2c_mux_core { struct i2c_adapter *parent; @@ -27,6 +28,9 @@ struct i2c_mux_core { int (*select)(struct i2c_mux_core *, u32 chan_id); int (*deselect)(struct i2c_mux_core *, u32 chan_id); + struct mutex hold_lock; /* mutex for channel holding */ + struct delayed_work unhold_work; + int num_adapters; int max_adapters; struct i2c_adapter *adapter[]; |