patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / sound / isa / cs423x / cs4231_lib.c

diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c
index 9778c7b..741ea0d 100644 (file)
--- a/sound/isa/cs423x/cs4231_lib.c
+++ b/sound/isa/cs423x/cs4231_lib.c
@@ -979,19 +979,27 @@ irqreturn_t snd_cs4231_interrupt(int irq, void *dev_id, struct pt_regs *regs)
        }               
        if (chip->single_dma && chip->hardware != CS4231_HW_INTERWAVE) {
                if (status & CS4231_PLAYBACK_IRQ) {
-                       if (chip->mode & CS4231_MODE_PLAY)
-                               snd_pcm_period_elapsed(chip->playback_substream);
+                       if (chip->mode & CS4231_MODE_PLAY) {
+                               if (chip->playback_substream)
+                                       snd_pcm_period_elapsed(chip->playback_substream);
+                       }
                        if (chip->mode & CS4231_MODE_RECORD) {
-                               snd_cs4231_overrange(chip);
-                               snd_pcm_period_elapsed(chip->capture_substream);
+                               if (chip->capture_substream) {
+                                       snd_cs4231_overrange(chip);
+                                       snd_pcm_period_elapsed(chip->capture_substream);
+                               }
                        }
                }
        } else {
-               if (status & CS4231_PLAYBACK_IRQ)
-                       snd_pcm_period_elapsed(chip->playback_substream);
+               if (status & CS4231_PLAYBACK_IRQ) {
+                       if (chip->playback_substream)
+                               snd_pcm_period_elapsed(chip->playback_substream);
+               }
                if (status & CS4231_RECORD_IRQ) {
-                       snd_cs4231_overrange(chip);
-                       snd_pcm_period_elapsed(chip->capture_substream);
+                       if (chip->capture_substream) {
+                               snd_cs4231_overrange(chip);
+                               snd_pcm_period_elapsed(chip->capture_substream);
+                       }
                }
        }
 
@@ -1343,6 +1351,7 @@ static int snd_cs4231_capture_close(snd_pcm_substream_t * substream)
 
 #ifdef CONFIG_PM
 
+/* lowlevel suspend callback for CS4231 */
 static void snd_cs4231_suspend(cs4231_t *chip)
 {
        int reg;
@@ -1354,6 +1363,7 @@ static void snd_cs4231_suspend(cs4231_t *chip)
        spin_unlock_irqrestore(&chip->reg_lock, flags);
 }
 
+/* lowlevel resume callback for CS4231 */
 static void snd_cs4231_resume(cs4231_t *chip)
 {
        int reg;
@@ -1395,25 +1405,25 @@ static void snd_cs4231_resume(cs4231_t *chip)
 #endif
 }
 
-static int snd_cs4231_pm_callback(struct pm_dev *dev, pm_request_t rqst, void *data)
+static int snd_cs4231_pm_suspend(snd_card_t *card, unsigned int state)
 {
-       cs4231_t *chip = snd_magic_cast(cs4231_t, dev->data, return 0);
-
-       switch (rqst) {
-       case PM_SUSPEND:
-               if (chip->suspend) {
-                       snd_pcm_suspend_all(chip->pcm);
-                       (*chip->suspend)(chip);
-               }
-               break;
-       case PM_RESUME:
-               if (chip->resume)
-                       (*chip->resume)(chip);
-               break;
+       cs4231_t *chip = snd_magic_cast(cs4231_t, card->pm_private_data, return -EINVAL);
+       if (chip->suspend) {
+               chip->suspend(chip);
+               snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
        }
        return 0;
 }
 
+static int snd_cs4231_pm_resume(snd_card_t *card, unsigned int state)
+{
+       cs4231_t *chip = snd_magic_cast(cs4231_t, card->pm_private_data, return -EINVAL);
+       if (chip->resume) {
+               chip->resume(chip);
+               snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+       }
+       return 0;
+}
 #endif /* CONFIG_PM */
 
 #ifdef LEGACY_SUPPORT
@@ -1441,10 +1451,6 @@ static int snd_cs4231_free(cs4231_t *chip)
                snd_dma_disable(chip->dma2);
                free_dma(chip->dma2);
        }
-#ifdef CONFIG_PM
-       if (chip->pm_dev)
-               pm_unregister(chip->pm_dev);
-#endif
        if (chip->timer)
                snd_device_free(chip->card, chip->timer);
        snd_magic_kfree(chip);
@@ -1587,9 +1593,7 @@ int snd_cs4231_create(snd_card_t * card,
        /* Power Management */
        chip->suspend = snd_cs4231_suspend;
        chip->resume = snd_cs4231_resume;
-       chip->pm_dev = pm_register(PM_ISA_DEV, 0, snd_cs4231_pm_callback);
-       if (chip->pm_dev)
-               chip->pm_dev->data = chip;
+       snd_card_set_isa_pm_callback(card, snd_cs4231_pm_suspend, snd_cs4231_pm_resume, chip);
 #endif
 
        *rchip = chip;
@@ -1659,7 +1663,7 @@ int snd_cs4231_pcm(cs4231_t *chip, int device, snd_pcm_t **rpcm)
 #else
 #  ifdef EBUS_SUPPORT
         if (chip->ebus_flag) {
-                snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_PCI,
+                snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
                                                      chip->dev_u.pdev,
                                                      64*1024, 128*1024);
         } else {