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ALSA: ALSA: ctxfi - Release PCM resources at each prepare call

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The prepare callback can be called multiple times, thus it needs to
release and acquire the resource again by itself at the second or later
call.

Simply add pcm_release_resources() at the beginning of each prepare
callback in ctatc.c.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-06-02 14:12:17 +02:00
parent 8a4259bf89
commit 822fa19b5c
1 changed files with 9 additions and 0 deletions
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9
sound/pci/ctxfi/ctatc.c
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@ -254,6 +254,9 @@ static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
return 0;
}
/* first release old resources */
atc->pcm_release_resources(atc, apcm);
/* Get SRC resource */
desc.multi = apcm->substream->runtime->channels;
desc.msr = atc->msr;
@ -496,6 +499,9 @@ atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
int n_srcimp = 0, n_amixer = 0, n_srcc = 0, n_sum = 0;
struct src_node_conf_t src_node_conf[2] = {{0} };
/* first release old resources */
atc->pcm_release_resources(atc, apcm);
/* The numbers of converting SRCs and SRCIMPs should be determined
* by pitch value. */
@ -767,6 +773,9 @@ static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
int n_amixer = apcm->substream->runtime->channels, i = 0;
unsigned int pitch = 0, rsr = atc->pll_rate;
/* first release old resources */
atc->pcm_release_resources(atc, apcm);
/* Get SRC resource */
desc.multi = apcm->substream->runtime->channels;
desc.msr = 1;