[ALSA] Add error messages
Add error messages in the critial error path to be more verbose.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c
index b923de9..aafe556 100644
--- a/sound/isa/opl3sa2.c
+++ b/sound/isa/opl3sa2.c
@@ -496,21 +496,29 @@
/* reassign AUX0 to CD */
strcpy(id1.name, "Aux Playback Switch");
strcpy(id2.name, "CD Playback Switch");
- if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
+ if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
+ snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
return err;
+ }
strcpy(id1.name, "Aux Playback Volume");
strcpy(id2.name, "CD Playback Volume");
- if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
+ if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
+ snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
return err;
+ }
/* reassign AUX1 to FM */
strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
strcpy(id2.name, "FM Playback Switch");
- if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
+ if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
+ snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
return err;
+ }
strcpy(id1.name, "Aux Playback Volume");
strcpy(id2.name, "FM Playback Volume");
- if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
+ if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) {
+ snd_printk(KERN_ERR "Cannot rename opl3sa2 control\n");
return err;
+ }
/* add OPL3SA2 controls */
for (idx = 0; idx < ARRAY_SIZE(snd_opl3sa2_controls); idx++) {
if ((err = snd_ctl_add(card, kctl = snd_ctl_new1(&snd_opl3sa2_controls[idx], chip))) < 0)
@@ -575,8 +583,10 @@
int err;
cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);
- if (!cfg)
+ if (!cfg) {
+ snd_printk(KERN_ERR PFX "cannot allocate pnp cfg\n");
return -ENOMEM;
+ }
/* PnP initialization */
pnp_init_resource_table(cfg);
if (sb_port[dev] != SNDRV_AUTO_PORT)
@@ -597,7 +607,7 @@
pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
err = pnp_manual_config_dev(pdev, cfg, 0);
if (err < 0)
- snd_printk(KERN_ERR "PnP manual resources are invalid, using auto config\n");
+ snd_printk(KERN_WARNING "PnP manual resources are invalid, using auto config\n");
err = pnp_activate_dev(pdev);
if (err < 0) {
kfree(cfg);
@@ -784,8 +794,11 @@
struct snd_card *card;
pdev = pnp_request_card_device(pcard, id->devs[0].id, NULL);
- if (pdev == NULL)
+ if (pdev == NULL) {
+ snd_printk(KERN_ERR PFX "can't get pnp device from id '%s'\n",
+ id->devs[0].id);
return -EBUSY;
+ }
for (; dev < SNDRV_CARDS; dev++) {
if (enable[dev] && isapnp[dev])
break;