forked from Minki/linux
Merge branch 'for-2.6.31' into for-2.6.32
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commit
4ec5c9693b
@ -79,7 +79,7 @@ static const u16 wm8753_reg[] = {
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0x0097, 0x0097, 0x0000, 0x0004,
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0x0000, 0x0083, 0x0024, 0x01ba,
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0x0000, 0x0083, 0x0024, 0x01ba,
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0x0000, 0x0000
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0x0000, 0x0000, 0x0000
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};
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/* codec private data */
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@ -1660,11 +1660,11 @@ static int wm8753_register(struct wm8753_priv *wm8753)
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codec->set_bias_level = wm8753_set_bias_level;
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codec->dai = wm8753_dai;
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codec->num_dai = 2;
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codec->reg_cache_size = ARRAY_SIZE(wm8753->reg_cache);
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codec->reg_cache_size = ARRAY_SIZE(wm8753->reg_cache) + 1;
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codec->reg_cache = &wm8753->reg_cache;
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codec->private_data = wm8753;
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memcpy(codec->reg_cache, wm8753_reg, sizeof(codec->reg_cache));
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memcpy(codec->reg_cache, wm8753_reg, sizeof(wm8753->reg_cache));
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INIT_DELAYED_WORK(&codec->delayed_work, wm8753_work);
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ret = wm8753_reset(codec);
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@ -456,6 +456,7 @@ int mpc5200_audio_dma_create(struct of_device *op)
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return -ENODEV;
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spin_lock_init(&psc_dma->lock);
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mutex_init(&psc_dma->mutex);
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psc_dma->id = be32_to_cpu(*prop);
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psc_dma->irq = irq;
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psc_dma->psc_regs = regs;
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@ -55,6 +55,7 @@ struct psc_dma {
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unsigned int irq;
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struct device *dev;
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spinlock_t lock;
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struct mutex mutex;
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u32 sicr;
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uint sysclk;
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int imr;
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@ -34,13 +34,20 @@ static unsigned short psc_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
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int status;
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unsigned int val;
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mutex_lock(&psc_dma->mutex);
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/* Wait for command send status zero = ready */
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status = spin_event_timeout(!(in_be16(&psc_dma->psc_regs->sr_csr.status) &
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MPC52xx_PSC_SR_CMDSEND), 100, 0);
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if (status == 0) {
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pr_err("timeout on ac97 bus (rdy)\n");
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mutex_unlock(&psc_dma->mutex);
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return -ENODEV;
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}
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/* Force clear the data valid bit */
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in_be32(&psc_dma->psc_regs->ac97_data);
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/* Send the read */
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out_be32(&psc_dma->psc_regs->ac97_cmd, (1<<31) | ((reg & 0x7f) << 24));
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@ -50,16 +57,19 @@ static unsigned short psc_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
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if (status == 0) {
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pr_err("timeout on ac97 read (val) %x\n",
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in_be16(&psc_dma->psc_regs->sr_csr.status));
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mutex_unlock(&psc_dma->mutex);
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return -ENODEV;
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}
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/* Get the data */
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val = in_be32(&psc_dma->psc_regs->ac97_data);
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if (((val >> 24) & 0x7f) != reg) {
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pr_err("reg echo error on ac97 read\n");
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mutex_unlock(&psc_dma->mutex);
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return -ENODEV;
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}
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val = (val >> 8) & 0xffff;
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mutex_unlock(&psc_dma->mutex);
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return (unsigned short) val;
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}
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@ -68,16 +78,21 @@ static void psc_ac97_write(struct snd_ac97 *ac97,
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{
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int status;
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mutex_lock(&psc_dma->mutex);
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/* Wait for command status zero = ready */
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status = spin_event_timeout(!(in_be16(&psc_dma->psc_regs->sr_csr.status) &
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MPC52xx_PSC_SR_CMDSEND), 100, 0);
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if (status == 0) {
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pr_err("timeout on ac97 bus (write)\n");
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return;
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goto out;
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}
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/* Write data */
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out_be32(&psc_dma->psc_regs->ac97_cmd,
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((reg & 0x7f) << 24) | (val << 8));
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out:
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mutex_unlock(&psc_dma->mutex);
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}
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static void psc_ac97_warm_reset(struct snd_ac97 *ac97)
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