diff options
Diffstat (limited to 'kernel/drivers/staging/dgnc/dgnc_utils.c')
-rw-r--r-- | kernel/drivers/staging/dgnc/dgnc_utils.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/drivers/staging/dgnc/dgnc_utils.c b/kernel/drivers/staging/dgnc/dgnc_utils.c new file mode 100644 index 000000000..f76de8290 --- /dev/null +++ b/kernel/drivers/staging/dgnc/dgnc_utils.c @@ -0,0 +1,18 @@ +#include <linux/tty.h> +#include <linux/sched.h> +#include "dgnc_utils.h" +#include "digi.h" + +/* + * dgnc_ms_sleep() + * + * Put the driver to sleep for x ms's + * + * Returns 0 if timed out, !0 (showing signal) if interrupted by a signal. + */ +int dgnc_ms_sleep(ulong ms) +{ + __set_current_state(TASK_INTERRUPTIBLE); + schedule_timeout((ms * HZ) / 1000); + return signal_pending(current); +} |