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Diffstat (limited to 'sound/drivers/pcsp/pcsp.c')
-rw-r--r--sound/drivers/pcsp/pcsp.c77
1 files changed, 43 insertions, 34 deletions
diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c
index a4049eb94d3..36808cdab06 100644
--- a/sound/drivers/pcsp/pcsp.c
+++ b/sound/drivers/pcsp/pcsp.c
@@ -6,7 +6,7 @@
*/
#include <linux/init.h>
-#include <linux/moduleparam.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/initval.h>
@@ -25,7 +25,8 @@ 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 bool enable = SNDRV_DEFAULT_ENABLE1; /* Enable this card */
+static bool nopcm; /* Disable PCM capability of the driver */
module_param(index, int, 0444);
MODULE_PARM_DESC(index, "Index value for pcsp soundcard.");
@@ -33,10 +34,12 @@ 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;
-static int __devinit snd_pcsp_create(struct snd_card *card)
+static int snd_pcsp_create(struct snd_card *card)
{
static struct snd_device_ops ops = { };
struct timespec tp;
@@ -44,12 +47,16 @@ static int __devinit snd_pcsp_create(struct snd_card *card)
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) {
+ 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)
@@ -57,7 +64,7 @@ static int __devinit snd_pcsp_create(struct snd_card *card)
else
min_div = MAX_DIV;
#if PCSP_DEBUG
- printk("PCSP: lpj=%li, min_div=%i, res=%li\n",
+ printk(KERN_DEBUG "PCSP: lpj=%li, min_div=%i, res=%li\n",
loops_per_jiffy, min_div, tp.tv_nsec);
#endif
@@ -87,7 +94,7 @@ static int __devinit snd_pcsp_create(struct snd_card *card)
return 0;
}
-static int __devinit snd_card_pcsp_probe(int devnum, struct device *dev)
+static int snd_card_pcsp_probe(int devnum, struct device *dev)
{
struct snd_card *card;
int err;
@@ -98,28 +105,28 @@ static int __devinit snd_card_pcsp_probe(int devnum, struct device *dev)
hrtimer_init(&pcsp_chip.timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
pcsp_chip.timer.function = pcsp_do_timer;
- card = snd_card_new(index, id, THIS_MODULE, 0);
- if (!card)
- return -ENOMEM;
+ err = snd_card_new(dev, index, id, THIS_MODULE, 0, &card);
+ if (err < 0)
+ return err;
err = snd_pcsp_create(card);
if (err < 0) {
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;
}
- snd_card_set_dev(pcsp_chip.card, dev);
-
strcpy(card->driver, "PC-Speaker");
strcpy(card->shortname, "pcsp");
sprintf(card->longname, "Internal PC-Speaker at port 0x%x",
@@ -134,7 +141,7 @@ static int __devinit snd_card_pcsp_probe(int devnum, struct device *dev)
return 0;
}
-static int __devinit alsa_card_pcsp_init(struct device *dev)
+static int alsa_card_pcsp_init(struct device *dev)
{
int err;
@@ -153,12 +160,12 @@ static int __devinit alsa_card_pcsp_init(struct device *dev)
return 0;
}
-static void __devexit alsa_card_pcsp_exit(struct snd_pcsp *chip)
+static void alsa_card_pcsp_exit(struct snd_pcsp *chip)
{
snd_card_free(chip->card);
}
-static int __devinit pcsp_probe(struct platform_device *dev)
+static int pcsp_probe(struct platform_device *dev)
{
int err;
@@ -176,12 +183,11 @@ static int __devinit pcsp_probe(struct platform_device *dev)
return 0;
}
-static int __devexit pcsp_remove(struct platform_device *dev)
+static int pcsp_remove(struct platform_device *dev)
{
struct snd_pcsp *chip = platform_get_drvdata(dev);
- alsa_card_pcsp_exit(chip);
pcspkr_input_remove(chip->input_dev);
- platform_set_drvdata(dev, NULL);
+ alsa_card_pcsp_exit(chip);
return 0;
}
@@ -191,17 +197,20 @@ static void pcsp_stop_beep(struct snd_pcsp *chip)
pcspkr_stop_sound();
}
-#ifdef CONFIG_PM
-static int pcsp_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int pcsp_suspend(struct device *dev)
{
- struct snd_pcsp *chip = platform_get_drvdata(dev);
+ struct snd_pcsp *chip = dev_get_drvdata(dev);
pcsp_stop_beep(chip);
snd_pcm_suspend_all(chip->pcm);
return 0;
}
+
+static SIMPLE_DEV_PM_OPS(pcsp_pm, pcsp_suspend, NULL);
+#define PCSP_PM_OPS &pcsp_pm
#else
-#define pcsp_suspend NULL
-#endif /* CONFIG_PM */
+#define PCSP_PM_OPS NULL
+#endif /* CONFIG_PM_SLEEP */
static void pcsp_shutdown(struct platform_device *dev)
{
@@ -213,10 +222,10 @@ static struct platform_driver pcsp_platform_driver = {
.driver = {
.name = "pcspkr",
.owner = THIS_MODULE,
+ .pm = PCSP_PM_OPS,
},
.probe = pcsp_probe,
- .remove = __devexit_p(pcsp_remove),
- .suspend = pcsp_suspend,
+ .remove = pcsp_remove,
.shutdown = pcsp_shutdown,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 17:01:16 +0000