From 647808a6b932d85c3e85df6dcf0e34c1e53cc953 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 8 Dec 2008 12:16:58 +0100 Subject: ALSA: timer - Add comments and use ns_to_ktime() Add the license and misc comments at the beginning of the code. Also, use ns_to_ktime() for simplification. Signed-off-by: Takashi Iwai --- sound/core/hrtimer.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) (limited to 'sound/core/hrtimer.c') diff --git a/sound/core/hrtimer.c b/sound/core/hrtimer.c index b712d7f..866c80c 100644 --- a/sound/core/hrtimer.c +++ b/sound/core/hrtimer.c @@ -1,4 +1,21 @@ /* + * ALSA timer back-end using hrtimer + * Copyright (C) 2008 Takashi Iwai + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * */ #include @@ -26,7 +43,7 @@ static enum hrtimer_restart snd_hrtimer_callback(struct hrtimer *hrt) { struct snd_hrtimer *stime = container_of(hrt, struct snd_hrtimer, hrt); struct snd_timer *t = stime->timer; - hrtimer_forward_now(hrt, ktime_set(0, t->sticks * resolution)); + hrtimer_forward_now(hrt, ns_to_ktime(t->sticks * resolution)); snd_timer_interrupt(stime->timer, t->sticks); return HRTIMER_RESTART; } @@ -62,7 +79,7 @@ static int snd_hrtimer_start(struct snd_timer *t) { struct snd_hrtimer *stime = t->private_data; - hrtimer_start(&stime->hrt, ktime_set(0, t->sticks * resolution), + hrtimer_start(&stime->hrt, ns_to_ktime(t->sticks * resolution), HRTIMER_MODE_REL); return 0; } -- cgit v1.1