tunnels: fix netns vs proto registration ordering

[safe/jmp/linux-2.6] / sound / pci / es1968.c

diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 67f0326..a11f453 100644 (file)
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -692,7 +692,8 @@ static void apu_data_set(struct es1968 *chip, u16 data)
 /* no spinlock */
 static void __apu_set_register(struct es1968 *chip, u16 channel, u8 reg, u16 data)
 {
-       snd_assert(channel < NR_APUS, return);
+       if (snd_BUG_ON(channel >= NR_APUS))
+               return;
 #ifdef CONFIG_PM
        chip->apu_map[channel][reg] = data;
 #endif
@@ -711,7 +712,8 @@ static void apu_set_register(struct es1968 *chip, u16 channel, u8 reg, u16 data)
 
 static u16 __apu_get_register(struct es1968 *chip, u16 channel, u8 reg)
 {
-       snd_assert(channel < NR_APUS, return 0);
+       if (snd_BUG_ON(channel >= NR_APUS))
+               return 0;
        reg |= (channel << 4);
        apu_index_set(chip, reg);
        return __maestro_read(chip, IDR0_DATA_PORT);
@@ -1827,6 +1829,22 @@ snd_es1968_pcm(struct es1968 *chip, int device)
 
        return 0;
 }
+/*
+ * suppress jitter on some maestros when playing stereo
+ */
+static void snd_es1968_suppress_jitter(struct es1968 *chip, struct esschan *es)
+{
+       unsigned int cp1;
+       unsigned int cp2;
+       unsigned int diff;
+
+       cp1 = __apu_get_register(chip, 0, 5);
+       cp2 = __apu_get_register(chip, 1, 5);
+       diff = (cp1 > cp2 ? cp1 - cp2 : cp2 - cp1);
+
+       if (diff > 1)
+               __maestro_write(chip, IDR0_DATA_PORT, cp1);
+}
 
 /*
  * update pointer
@@ -1935,7 +1953,7 @@ static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id)
        outw(inw(chip->io_port + 4) & 1, chip->io_port + 4);
 
        if (event & ESM_HWVOL_IRQ)
-               tasklet_hi_schedule(&chip->hwvol_tq); /* we'll do this later */
+               tasklet_schedule(&chip->hwvol_tq); /* we'll do this later */
 
        /* else ack 'em all, i imagine */
        outb(0xFF, chip->io_port + 0x1A);
@@ -1948,8 +1966,11 @@ static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id)
                struct esschan *es;
                spin_lock(&chip->substream_lock);
                list_for_each_entry(es, &chip->substream_list, list) {
-                       if (es->running)
+                       if (es->running) {
                                snd_es1968_update_pcm(chip, es);
+                               if (es->fmt & ESS_FMT_STEREO)
+                                       snd_es1968_suppress_jitter(chip, es);
+                       }
                }
                spin_unlock(&chip->substream_lock);
                if (chip->in_measurement) {
@@ -2456,7 +2477,8 @@ static inline void snd_es1968_free_gameport(struct es1968 *chip) { }
 static int snd_es1968_free(struct es1968 *chip)
 {
        if (chip->io_port) {
-               synchronize_irq(chip->irq);
+               if (chip->irq >= 0)
+                       synchronize_irq(chip->irq);
                outw(1, chip->io_port + 0x04); /* clear WP interrupts */
                outw(0, chip->io_port + ESM_PORT_HOST_IRQ); /* disable IRQ */
        }
@@ -2517,8 +2539,8 @@ static int __devinit snd_es1968_create(struct snd_card *card,
        if ((err = pci_enable_device(pci)) < 0)
                return err;
        /* check, if we can restrict PCI DMA transfers to 28 bits */
-       if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
-           pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
+       if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
+           pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
                snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
                pci_disable_device(pci);
                return -ENXIO;
@@ -2623,9 +2645,9 @@ static int __devinit snd_es1968_probe(struct pci_dev *pci,
                return -ENOENT;
        }
 
-       card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
-       if (!card)
-               return -ENOMEM;
+       err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
+       if (err < 0)
+               return err;
                 
        if (total_bufsize[dev] < 128)
                total_bufsize[dev] = 128;