Commit a32f6674 authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Jaroslav Kysela
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sound: seq_timer: simplify snd_seq_timer_set_tick_resolution() parameters 



As snd_seq_timer_set_tick_resolution() is always called with the same
three fields of struct snd_seq_timer, it suffices to give that as the
only parameter.

Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent ed69c6a8

sound/core/seq/seq_timer.c

+13 −14
Original line number Diff line number Diff line
@@ -33,22 +33,21 @@ 


#define SKEW_BASE	0x10000	/* 16bit shift */



static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer_tick *tick,

					      int tempo, int ppq)

static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer *tmr)

{

	if (tempo < 1000000)

		tick->resolution = (tempo * 1000) / ppq;

	if (tmr->tempo < 1000000)

		tmr->tick.resolution = (tmr->tempo * 1000) / tmr->ppq;

	else {

		/* might overflow.. */

		unsigned int s;

		s = tempo % ppq;

		s = (s * 1000) / ppq;

		tick->resolution = (tempo / ppq) * 1000;

		tick->resolution += s;

		s = tmr->tempo % tmr->ppq;

		s = (s * 1000) / tmr->ppq;

		tmr->tick.resolution = (tmr->tempo / tmr->ppq) * 1000;

		tmr->tick.resolution += s;

	}

	if (tick->resolution <= 0)

		tick->resolution = 1;

	snd_seq_timer_update_tick(tick, 0);

	if (tmr->tick.resolution <= 0)

		tmr->tick.resolution = 1;

	snd_seq_timer_update_tick(&tmr->tick, 0);

}



/* create new timer (constructor) */
@@ -96,7 +95,7 @@ void snd_seq_timer_defaults(struct snd_seq_timer * tmr) 
	/* setup defaults */

	tmr->ppq = 96;		/* 96 PPQ */

	tmr->tempo = 500000;	/* 120 BPM */

	snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);

	snd_seq_timer_set_tick_resolution(tmr);

	tmr->running = 0;



	tmr->type = SNDRV_SEQ_TIMER_ALSA;
@@ -180,7 +179,7 @@ int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo) 
	spin_lock_irqsave(&tmr->lock, flags);

	if ((unsigned int)tempo != tmr->tempo) {

		tmr->tempo = tempo;

		snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);

		snd_seq_timer_set_tick_resolution(tmr);

	}

	spin_unlock_irqrestore(&tmr->lock, flags);

	return 0;
@@ -205,7 +204,7 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq) 
	}



	tmr->ppq = ppq;

	snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);

	snd_seq_timer_set_tick_resolution(tmr);

	spin_unlock_irqrestore(&tmr->lock, flags);

	return 0;

}