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-rw-r--r--sound/drivers/pcsp/pcsp.c32
-rw-r--r--sound/drivers/pcsp/pcsp.h2
-rw-r--r--sound/drivers/pcsp/pcsp_mixer.c35
3 files changed, 48 insertions, 21 deletions
diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c
index b60cef2..f165c77 100644
--- a/sound/drivers/pcsp/pcsp.c
+++ b/sound/drivers/pcsp/pcsp.c
@@ -26,6 +26,7 @@ MODULE_ALIAS("platform:pcspkr");
static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
static int enable = SNDRV_DEFAULT_ENABLE1; /* Enable this card */
+static int nopcm; /* Disable PCM capability of the driver */
module_param(index, int, 0444);
MODULE_PARM_DESC(index, "Index value for pcsp soundcard.");
@@ -33,6 +34,8 @@ module_param(id, charp, 0444);
MODULE_PARM_DESC(id, "ID string for pcsp soundcard.");
module_param(enable, bool, 0444);
MODULE_PARM_DESC(enable, "Enable PC-Speaker sound.");
+module_param(nopcm, bool, 0444);
+MODULE_PARM_DESC(nopcm, "Disable PC-Speaker PCM sound. Only beeps remain.");
struct snd_pcsp pcsp_chip;
@@ -43,13 +46,16 @@ static int __devinit snd_pcsp_create(struct snd_card *card)
int err;
int div, min_div, order;
- hrtimer_get_res(CLOCK_MONOTONIC, &tp);
- if (tp.tv_sec || tp.tv_nsec > PCSP_MAX_PERIOD_NS) {
- printk(KERN_ERR "PCSP: Timer resolution is not sufficient "
- "(%linS)\n", tp.tv_nsec);
- printk(KERN_ERR "PCSP: Make sure you have HPET and ACPI "
- "enabled.\n");
- return -EIO;
+ if (!nopcm) {
+ hrtimer_get_res(CLOCK_MONOTONIC, &tp);
+ if (tp.tv_sec || tp.tv_nsec > PCSP_MAX_PERIOD_NS) {
+ printk(KERN_ERR "PCSP: Timer resolution is not sufficient "
+ "(%linS)\n", tp.tv_nsec);
+ printk(KERN_ERR "PCSP: Make sure you have HPET and ACPI "
+ "enabled.\n");
+ printk(KERN_ERR "PCSP: Turned into nopcm mode.\n");
+ nopcm = 1;
+ }
}
if (loops_per_jiffy >= PCSP_MIN_LPJ && tp.tv_nsec <= PCSP_MIN_PERIOD_NS)
@@ -107,12 +113,14 @@ static int __devinit snd_card_pcsp_probe(int devnum, struct device *dev)
snd_card_free(card);
return err;
}
- err = snd_pcsp_new_pcm(&pcsp_chip);
- if (err < 0) {
- snd_card_free(card);
- return err;
+ if (!nopcm) {
+ err = snd_pcsp_new_pcm(&pcsp_chip);
+ if (err < 0) {
+ snd_card_free(card);
+ return err;
+ }
}
- err = snd_pcsp_new_mixer(&pcsp_chip);
+ err = snd_pcsp_new_mixer(&pcsp_chip, nopcm);
if (err < 0) {
snd_card_free(card);
return err;
diff --git a/sound/drivers/pcsp/pcsp.h b/sound/drivers/pcsp/pcsp.h
index 174dd2f..1e12307 100644
--- a/sound/drivers/pcsp/pcsp.h
+++ b/sound/drivers/pcsp/pcsp.h
@@ -83,6 +83,6 @@ extern enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle);
extern void pcsp_sync_stop(struct snd_pcsp *chip);
extern int snd_pcsp_new_pcm(struct snd_pcsp *chip);
-extern int snd_pcsp_new_mixer(struct snd_pcsp *chip);
+extern int snd_pcsp_new_mixer(struct snd_pcsp *chip, int nopcm);
#endif
diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c
index 903bc84..6f633f4 100644
--- a/sound/drivers/pcsp/pcsp_mixer.c
+++ b/sound/drivers/pcsp/pcsp_mixer.c
@@ -119,24 +119,43 @@ static int pcsp_pcspkr_put(struct snd_kcontrol *kcontrol,
.put = pcsp_##ctl_type##_put, \
}
-static struct snd_kcontrol_new __devinitdata snd_pcsp_controls[] = {
+static struct snd_kcontrol_new __devinitdata snd_pcsp_controls_pcm[] = {
PCSP_MIXER_CONTROL(enable, "Master Playback Switch"),
PCSP_MIXER_CONTROL(treble, "BaseFRQ Playback Volume"),
- PCSP_MIXER_CONTROL(pcspkr, "PC Speaker Playback Switch"),
};
-int __devinit snd_pcsp_new_mixer(struct snd_pcsp *chip)
+static struct snd_kcontrol_new __devinitdata snd_pcsp_controls_spkr[] = {
+ PCSP_MIXER_CONTROL(pcspkr, "Beep Playback Switch"),
+};
+
+static int __devinit snd_pcsp_ctls_add(struct snd_pcsp *chip,
+ struct snd_kcontrol_new *ctls, int num)
{
- struct snd_card *card = chip->card;
int i, err;
+ struct snd_card *card = chip->card;
+ for (i = 0; i < num; i++) {
+ err = snd_ctl_add(card, snd_ctl_new1(ctls + i, chip));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+int __devinit snd_pcsp_new_mixer(struct snd_pcsp *chip, int nopcm)
+{
+ int err;
+ struct snd_card *card = chip->card;
- for (i = 0; i < ARRAY_SIZE(snd_pcsp_controls); i++) {
- err = snd_ctl_add(card,
- snd_ctl_new1(snd_pcsp_controls + i,
- chip));
+ if (!nopcm) {
+ err = snd_pcsp_ctls_add(chip, snd_pcsp_controls_pcm,
+ ARRAY_SIZE(snd_pcsp_controls_pcm));
if (err < 0)
return err;
}
+ err = snd_pcsp_ctls_add(chip, snd_pcsp_controls_spkr,
+ ARRAY_SIZE(snd_pcsp_controls_spkr));
+ if (err < 0)
+ return err;
strcpy(card->mixername, "PC-Speaker");
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