[PATCH] pcmcia: fix sound drivers

Update the PCMCIA sound drivers to handle the recent changes to the PCMCIA
core. A part of this merge was done by Takashi Iwai <tiwai@suse.de>.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 60 insertions, 94 deletions

diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.c b/sound/pcmcia/pdaudiocf/pdaudiocf.c
index a7cd2d4df75..77caf43a310 100644
--- a/sound/pcmcia/pdaudiocf/pdaudiocf.c
+++ b/sound/pcmcia/pdaudiocf/pdaudiocf.c
@@ -52,16 +52,13 @@ MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard.");
 /*
  */
 
-static dev_info_t dev_info = "snd-pdaudiocf";
 static struct snd_card *card_list[SNDRV_CARDS];
-static dev_link_t *dev_list;
 
 /*
  * prototypes
  */
 static void pdacf_config(dev_link_t *link);
-static int pdacf_event(event_t event, int priority, event_callback_args_t *args);
-static void snd_pdacf_detach(dev_link_t *link);
+static void snd_pdacf_detach(struct pcmcia_device *p_dev);
 
 static void pdacf_release(dev_link_t *link)
 {
@@ -83,10 +80,6 @@ static int snd_pdacf_free(struct snd_pdacf *pdacf)
 
         pdacf_release(link);
 
-        /* Break the link with Card Services */
-        if (link->handle)
-                pcmcia_deregister_client(link->handle);
-
         card_list[pdacf->index] = NULL;
         pdacf->card = NULL;
 
@@ -103,11 +96,10 @@ static int snd_pdacf_dev_free(struct snd_device *device)
 /*
  * snd_pdacf_attach - attach callback for cs
  */
-static dev_link_t *snd_pdacf_attach(void)
+static int snd_pdacf_attach(struct pcmcia_device *p_dev)
 {
-        client_reg_t client_reg;        /* Register with cardmgr */
-        dev_link_t *link;               /* Info for cardmgr */
-        int i, ret;
+        int i;
+        dev_link_t *link;               /* Info for cardmgr */
         struct snd_pdacf *pdacf;
         struct snd_card *card;
         static struct snd_device_ops ops = {
@@ -122,26 +114,26 @@ static dev_link_t *snd_pdacf_attach(void)
         }
         if (i >= SNDRV_CARDS) {
                 snd_printk(KERN_ERR "pdacf: too many cards found\n");
-                return NULL;
+                return -EINVAL;
         }
         if (! enable[i])
-                return NULL; /* disabled explicitly */
+                return -ENODEV; /* disabled explicitly */
 
         /* ok, create a card instance */
         card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
         if (card == NULL) {
                 snd_printk(KERN_ERR "pdacf: cannot create a card instance\n");
-                return NULL;
+                return -ENOMEM;
         }
 
         pdacf = snd_pdacf_create(card);
         if (! pdacf)
-                return NULL;
+                return -EIO;
 
         if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, pdacf, &ops) < 0) {
                 kfree(pdacf);
                 snd_card_free(card);
-                return NULL;
+                return -ENODEV;
         }
 
         pdacf->index = i;
@@ -165,22 +157,12 @@ static dev_link_t *snd_pdacf_attach(void)
         link->conf.Present = PRESENT_OPTION;
 
         /* Chain drivers */
-        link->next = dev_list;
-        dev_list = link;
-
-        /* Register with Card Services */
-        client_reg.dev_info = &dev_info;
-        client_reg.Version = 0x0210;
-        client_reg.event_callback_args.client_data = link;
-
-        ret = pcmcia_register_client(&link->handle, &client_reg);
-        if (ret != CS_SUCCESS) {
-                cs_error(link->handle, RegisterClient, ret);
-                snd_pdacf_detach(link);
-                return NULL;
-        }
+        link->next = NULL;
 
-        return link;
+        link->handle = p_dev;
+        pdacf_config(link);
+
+        return 0;
 }
 
 
@@ -227,21 +209,13 @@ static int snd_pdacf_assign_resources(struct snd_pdacf *pdacf, int port, int irq
 /*
  * snd_pdacf_detach - detach callback for cs
  */
-static void snd_pdacf_detach(dev_link_t *link)
+static void snd_pdacf_detach(struct pcmcia_device *p_dev)
 {
+        dev_link_t *link = dev_to_instance(p_dev);
         struct snd_pdacf *chip = link->priv;
 
         snd_printdd(KERN_DEBUG "pdacf_detach called\n");
-        /* Remove the interface data from the linked list */
-        {
-                dev_link_t **linkp;
-                /* Locate device structure */
-                for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
-                        if (*linkp == link)
-                                break;
-                if (*linkp)
-                        *linkp = link->next;
-        }
+
         if (chip->chip_status & PDAUDIOCF_STAT_IS_CONFIGURED)
                 snd_pdacf_powerdown(chip);
         chip->chip_status |= PDAUDIOCF_STAT_IS_STALE; /* to be sure */
@@ -310,62 +284,51 @@ failed:
         pcmcia_release_irq(link->handle, &link->irq);
 }
 
-/*
- * event callback
- */
-static int pdacf_event(event_t event, int priority, event_callback_args_t *args)
+#ifdef CONFIG_PM
+
+static int pdacf_suspend(struct pcmcia_device *dev)
 {
-        dev_link_t *link = args->client_data;
+        dev_link_t *link = dev_to_instance(dev);
         struct snd_pdacf *chip = link->priv;
 
-        switch (event) {
-        case CS_EVENT_CARD_REMOVAL:
-                snd_printdd(KERN_DEBUG "CARD_REMOVAL..\n");
-                link->state &= ~DEV_PRESENT;
-                if (link->state & DEV_CONFIG) {
-                        chip->chip_status |= PDAUDIOCF_STAT_IS_STALE;
-                }
-                break;
-        case CS_EVENT_CARD_INSERTION:
-                snd_printdd(KERN_DEBUG "CARD_INSERTION..\n");
-                link->state |= DEV_PRESENT;
-                pdacf_config(link);
-                break;
-#ifdef CONFIG_PM
-        case CS_EVENT_PM_SUSPEND:
-                snd_printdd(KERN_DEBUG "SUSPEND\n");
-                link->state |= DEV_SUSPEND;
+        snd_printdd(KERN_DEBUG "SUSPEND\n");
+        link->state |= DEV_SUSPEND;
+        if (chip) {
+                snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
+                snd_pdacf_suspend(chip, PMSG_SUSPEND);
+        }
+
+        snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
+        if (link->state & DEV_CONFIG)
+                pcmcia_release_configuration(link->handle);
+
+        return 0;
+}
+
+static int pdacf_resume(struct pcmcia_device *dev)
+{
+        dev_link_t *link = dev_to_instance(dev);
+        struct snd_pdacf *chip = link->priv;
+
+        snd_printdd(KERN_DEBUG "RESUME\n");
+        link->state &= ~DEV_SUSPEND;
+
+        snd_printdd(KERN_DEBUG "CARD_RESET\n");
+        if (DEV_OK(link)) {
+                snd_printdd(KERN_DEBUG "requestconfig...\n");
+                pcmcia_request_configuration(link->handle, &link->conf);
                 if (chip) {
-                        snd_printdd(KERN_DEBUG "snd_pdacf_suspend calling\n");
-                        snd_pdacf_suspend(chip, PMSG_SUSPEND);
-                }
-                /* Fall through... */
-        case CS_EVENT_RESET_PHYSICAL:
-                snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
-                if (link->state & DEV_CONFIG)
-                        pcmcia_release_configuration(link->handle);
-                break;
-        case CS_EVENT_PM_RESUME:
-                snd_printdd(KERN_DEBUG "RESUME\n");
-                link->state &= ~DEV_SUSPEND;
-                /* Fall through... */
-        case CS_EVENT_CARD_RESET:
-                snd_printdd(KERN_DEBUG "CARD_RESET\n");
-                if (DEV_OK(link)) {
-                        snd_printdd(KERN_DEBUG "requestconfig...\n");
-                        pcmcia_request_configuration(link->handle, &link->conf);
-                        if (chip) {
-                                snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
-                                snd_pdacf_resume(chip);
-                        }
+                        snd_printdd(KERN_DEBUG "calling snd_pdacf_resume\n");
+                        snd_pdacf_resume(chip);
                 }
-                snd_printdd(KERN_DEBUG "resume done!\n");
-                break;
-#endif
         }
+        snd_printdd(KERN_DEBUG "resume done!\n");
+
         return 0;
 }
 
+#endif
+
 /*
  * Module entry points
  */
@@ -380,10 +343,14 @@ static struct pcmcia_driver pdacf_cs_driver = {
         .drv            = {
                 .name   = "snd-pdaudiocf",
         },
-        .attach         = snd_pdacf_attach,
-        .event          = pdacf_event,
-        .detach         = snd_pdacf_detach,
+        .probe          = snd_pdacf_attach,
+        .remove         = snd_pdacf_detach,
         .id_table       = snd_pdacf_ids,
+#ifdef CONFIG_PM
+        .suspend        = pdacf_suspend,
+        .resume         = pdacf_resume,
+#endif
+
 };
 
 static int __init init_pdacf(void)
@@ -394,7 +361,6 @@ static int __init init_pdacf(void)
 static void __exit exit_pdacf(void)
 {
         pcmcia_unregister_driver(&pdacf_cs_driver);
-        BUG_ON(dev_list != NULL);
 }
 
 module_init(init_pdacf);