ALSA: cs5535audio: rename V_REFOUT control to MIC Bias

[cascardo/linux.git] / sound / pci / cs5535audio / cs5535audio_pcm.c

diff --git a/sound/pci/cs5535audio/cs5535audio_pcm.c b/sound/pci/cs5535audio/cs5535audio_pcm.c
index f0a4869..0f48a87 100644 (file)
--- a/sound/pci/cs5535audio/cs5535audio_pcm.c
+++ b/sound/pci/cs5535audio/cs5535audio_pcm.c
@@ -25,7 +25,6 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
-#include <sound/driver.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/initval.h>
@@ -43,7 +42,6 @@ static struct snd_pcm_hardware snd_cs5535audio_playback =
                                SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                SNDRV_PCM_INFO_MMAP_VALID |
                                SNDRV_PCM_INFO_PAUSE |
-                               SNDRV_PCM_INFO_SYNC_START |
                                SNDRV_PCM_INFO_RESUME
                                ),
        .formats =              (
@@ -71,8 +69,7 @@ static struct snd_pcm_hardware snd_cs5535audio_capture =
                                SNDRV_PCM_INFO_MMAP |
                                SNDRV_PCM_INFO_INTERLEAVED |
                                SNDRV_PCM_INFO_BLOCK_TRANSFER |
-                               SNDRV_PCM_INFO_MMAP_VALID |
-                               SNDRV_PCM_INFO_SYNC_START
+                               SNDRV_PCM_INFO_MMAP_VALID
                                ),
        .formats =              (
                                SNDRV_PCM_FMTBIT_S16_LE
@@ -100,9 +97,10 @@ static int snd_cs5535audio_playback_open(struct snd_pcm_substream *substream)
        struct snd_pcm_runtime *runtime = substream->runtime;
 
        runtime->hw = snd_cs5535audio_playback;
+       runtime->hw.rates = cs5535au->ac97->rates[AC97_RATES_FRONT_DAC];
+       snd_pcm_limit_hw_rates(runtime);
        cs5535au->playback_substream = substream;
        runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_PLAYBACK]);
-       snd_pcm_set_sync(substream);
        if ((err = snd_pcm_hw_constraint_integer(runtime,
                                SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
                return err;
@@ -143,7 +141,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
        if (dma->periods == periods && dma->period_bytes == period_bytes)
                return 0;
 
-       /* the u32 cast is okay because in snd*create we succesfully told
+       /* the u32 cast is okay because in snd*create we successfully told
           pci alloc that we're only 32 bit capable so the uppper will be 0 */
        addr = (u32) substream->runtime->dma_addr;
        desc_addr = (u32) dma->desc_buf.addr;
@@ -164,6 +162,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
        jmpprd_addr = cpu_to_le32(lastdesc->addr +
                                  (sizeof(struct cs5535audio_dma_desc)*periods));
 
+       dma->substream = substream;
        dma->period_bytes = period_bytes;
        dma->periods = periods;
        spin_lock_irq(&cs5535au->reg_lock);
@@ -241,6 +240,7 @@ static void cs5535audio_clear_dma_packets(struct cs5535audio *cs5535au,
 {
        snd_dma_free_pages(&dma->desc_buf);
        dma->desc_buf.area = NULL;
+       dma->substream = NULL;
 }
 
 static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
@@ -260,6 +260,9 @@ static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
        err = cs5535audio_build_dma_packets(cs5535au, dma, substream,
                                            params_periods(hw_params),
                                            params_period_bytes(hw_params));
+       if (!err)
+               dma->pcm_open_flag = 1;
+
        return err;
 }
 
@@ -268,6 +271,15 @@ static int snd_cs5535audio_hw_free(struct snd_pcm_substream *substream)
        struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
        struct cs5535audio_dma *dma = substream->runtime->private_data;
 
+       if (dma->pcm_open_flag) {
+               if (substream == cs5535au->playback_substream)
+                       snd_ac97_update_power(cs5535au->ac97,
+                                       AC97_PCM_FRONT_DAC_RATE, 0);
+               else
+                       snd_ac97_update_power(cs5535au->ac97,
+                                       AC97_PCM_LR_ADC_RATE, 0);
+               dma->pcm_open_flag = 0;
+       }
        cs5535audio_clear_dma_packets(cs5535au, dma, substream);
        return snd_pcm_lib_free_pages(substream);
 }
@@ -298,14 +310,12 @@ static int snd_cs5535audio_trigger(struct snd_pcm_substream *substream, int cmd)
                break;
        case SNDRV_PCM_TRIGGER_RESUME:
                dma->ops->enable_dma(cs5535au);
-               dma->suspended = 0;
                break;
        case SNDRV_PCM_TRIGGER_STOP:
                dma->ops->disable_dma(cs5535au);
                break;
        case SNDRV_PCM_TRIGGER_SUSPEND:
                dma->ops->disable_dma(cs5535au);
-               dma->suspended = 1;
                break;
        default:
                snd_printk(KERN_ERR "unhandled trigger\n");
@@ -346,17 +356,21 @@ static int snd_cs5535audio_capture_open(struct snd_pcm_substream *substream)
        struct snd_pcm_runtime *runtime = substream->runtime;
 
        runtime->hw = snd_cs5535audio_capture;
+       runtime->hw.rates = cs5535au->ac97->rates[AC97_RATES_ADC];
+       snd_pcm_limit_hw_rates(runtime);
        cs5535au->capture_substream = substream;
        runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_CAPTURE]);
-       snd_pcm_set_sync(substream);
        if ((err = snd_pcm_hw_constraint_integer(runtime,
                                         SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
                return err;
+       olpc_capture_open(cs5535au->ac97);
        return 0;
 }
 
 static int snd_cs5535audio_capture_close(struct snd_pcm_substream *substream)
 {
+       struct cs5535audio *cs5535au = snd_pcm_substream_chip(substream);
+       olpc_capture_close(cs5535au->ac97);
        return 0;
 }