ALSA: core: Use ktime_get_ts()

do_posix_clock_monotonic_gettime() is a leftover from the initial
posix timer implementation which maps to ktime_get_ts().

Signed-off-by: Thomas Gleixner <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

include/sound/pcm.h

···
 				   struct timespec *tv)
 {
 	if (runtime->tstamp_type == SNDRV_PCM_TSTAMP_TYPE_MONOTONIC)
-		do_posix_clock_monotonic_gettime(tv);
+		ktime_get_ts(tv);
 	else
 		getnstimeofday(tv);
 }

sound/core/timer.c

···
 	struct timespec tstamp;
 
 	if (timer_tstamp_monotonic)
-		do_posix_clock_monotonic_gettime(&tstamp);
+		ktime_get_ts(&tstamp);
 	else
 		getnstimeofday(&tstamp);
 	if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_START ||
···
 	}
 	if (tu->last_resolution != resolution || ticks > 0) {
 		if (timer_tstamp_monotonic)
-			do_posix_clock_monotonic_gettime(&tstamp);
+			ktime_get_ts(&tstamp);
 		else
 			getnstimeofday(&tstamp);
 	}