From: Krzysztof Helt krzysztof.h1@wp.pl
Enable hardware timer with 10 usec resolution.
Signed-off-by: Krzysztof Helt krzysztof.h1@wp.pl --- This timer passes the test with the "timer" command from the alsa-lib/test package. Amazing, that a whole code was already in the driver just commented out.
include/sound/ad1816a.h | 2 ++ sound/isa/ad1816a/ad1816a.c | 7 +++++++ sound/isa/ad1816a/ad1816a_lib.c | 5 ----- 3 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/include/sound/ad1816a.h b/include/sound/ad1816a.h index b3aa62e..d010858 100644 --- a/include/sound/ad1816a.h +++ b/include/sound/ad1816a.h @@ -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 */ diff --git a/sound/isa/ad1816a/ad1816a.c b/sound/isa/ad1816a/ad1816a.c index 3810833..15f6010 100644 --- a/sound/isa/ad1816a/ad1816a.c +++ b/sound/isa/ad1816a/ad1816a.c @@ -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, diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c index 3bfca7c..1c9e01e 100644 --- a/sound/isa/ad1816a/ad1816a_lib.c +++ b/sound/isa/ad1816a/ad1816a_lib.c @@ -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 */
/* *