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ALSA: ad1816a: enable hardware timer

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Enable hardware timer with 10 usec resolution.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Krzysztof Helt 2009-01-21 15:14:09 +01:00 committed by Takashi Iwai
parent aa9c293ae4
commit a17ac45a5d
3 changed files with 9 additions and 5 deletions
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2
include/sound/ad1816a.h
View file

@ -169,5 +169,7 @@ extern int snd_ad1816a_create(struct snd_card *card, unsigned long port,
extern int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm);
extern int snd_ad1816a_mixer(struct snd_ad1816a *chip);
extern int snd_ad1816a_timer(struct snd_ad1816a *chip, int device,
struct snd_timer **rtimer);
#endif /* __SOUND_AD1816A_H */

7
sound/isa/ad1816a/ad1816a.c
View file

@ -156,6 +156,7 @@ static int __devinit snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard
struct snd_card_ad1816a *acard;
struct snd_ad1816a *chip;
struct snd_opl3 *opl3;
struct snd_timer *timer;
if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
sizeof(struct snd_card_ad1816a))) == NULL)
@ -194,6 +195,12 @@ static int __devinit snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard
return error;
}
error = snd_ad1816a_timer(chip, 0, &timer);
if (error < 0) {
snd_card_free(card);
return error;
}
if (mpu_port[dev] > 0) {
if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
mpu_port[dev], 0, mpu_irq[dev], IRQF_DISABLED,

5
sound/isa/ad1816a/ad1816a_lib.c
View file

@ -377,7 +377,6 @@ static struct snd_pcm_hardware snd_ad1816a_capture = {
.fifo_size = 0,
};
#if 0 /* not used now */
static int snd_ad1816a_timer_close(struct snd_timer *timer)
{
struct snd_ad1816a *chip = snd_timer_chip(timer);
@ -442,8 +441,6 @@ static struct snd_timer_hardware snd_ad1816a_timer_table = {
.start = snd_ad1816a_timer_start,
.stop = snd_ad1816a_timer_stop,
};
#endif /* not used now */
static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)
{
@ -687,7 +684,6 @@ int __devinit snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_p
return 0;
}
#if 0 /* not used now */
int __devinit snd_ad1816a_timer(struct snd_ad1816a *chip, int device, struct snd_timer **rtimer)
{
struct snd_timer *timer;
@ -709,7 +705,6 @@ int __devinit snd_ad1816a_timer(struct snd_ad1816a *chip, int device, struct snd
*rtimer = timer;
return 0;
}
#endif /* not used now */
/*
*