fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / media / video / saa7134 / saa7134-alsa.c

diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
index bb3e0ba..ffb0f64 100644 (file)
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/drivers/media/video/saa7134/saa7134-alsa.c
@@ -1,10 +1,6 @@
 /*
  *   SAA713x ALSA support for V4L
  *
- *
- *   Caveats:
- *        - Volume doesn't work (it's always at max)
- *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
  *   the Free Software Foundation, version 2
@@ -212,7 +208,7 @@ static void saa7134_irq_alsa_done(struct saa7134_dev *dev,
  *
  */
 
-static irqreturn_t saa7134_alsa_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t saa7134_alsa_irq(int irq, void *dev_id)
 {
        struct saa7134_dmasound *dmasound = dev_id;
        struct saa7134_dev *dev = dmasound->priv_data;
@@ -590,6 +586,11 @@ static int snd_card_saa7134_hw_free(struct snd_pcm_substream * substream)
 
 static int snd_card_saa7134_capture_close(struct snd_pcm_substream * substream)
 {
+       snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream);
+       struct saa7134_dev *dev = saa7134->dev;
+
+       dev->ctl_mute = 1;
+       saa7134_tvaudio_setmute(dev);
        return 0;
 }
 
@@ -609,13 +610,18 @@ static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream)
        snd_card_saa7134_pcm_t *pcm;
        snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream);
        struct saa7134_dev *dev = saa7134->dev;
-       int err;
+       int amux, err;
 
        mutex_lock(&dev->dmasound.lock);
 
        dev->dmasound.read_count  = 0;
        dev->dmasound.read_offset = 0;
 
+       amux = dev->input->amux;
+       if ((amux < 1) || (amux > 3))
+               amux = 1;
+       dev->dmasound.input  =  amux - 1;
+
        mutex_unlock(&dev->dmasound.lock);
 
        pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
@@ -631,6 +637,9 @@ static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream)
        runtime->private_free = snd_card_saa7134_runtime_free;
        runtime->hw = snd_card_saa7134_capture;
 
+       dev->ctl_mute = 0;
+       saa7134_tvaudio_setmute(dev);
+
        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
                return err;
 
@@ -705,6 +714,8 @@ static int snd_saa7134_volume_put(struct snd_kcontrol * kcontrol,
                                  struct snd_ctl_elem_value * ucontrol)
 {
        snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol);
+       struct saa7134_dev *dev = chip->dev;
+
        int change, addr = kcontrol->private_value;
        int left, right;
 
@@ -719,10 +730,52 @@ static int snd_saa7134_volume_put(struct snd_kcontrol * kcontrol,
        if (right > 20)
                right = 20;
        spin_lock_irq(&chip->mixer_lock);
-       change = chip->mixer_volume[addr][0] != left ||
-                chip->mixer_volume[addr][1] != right;
-       chip->mixer_volume[addr][0] = left;
-       chip->mixer_volume[addr][1] = right;
+       change = 0;
+       if (chip->mixer_volume[addr][0] != left) {
+               change = 1;
+               right = left;
+       }
+       if (chip->mixer_volume[addr][1] != right) {
+               change = 1;
+               left = right;
+       }
+       if (change) {
+               switch (dev->pci->device) {
+                       case PCI_DEVICE_ID_PHILIPS_SAA7134:
+                               switch (addr) {
+                                       case MIXER_ADDR_TVTUNER:
+                                               left = 20;
+                                               break;
+                                       case MIXER_ADDR_LINE1:
+                                               saa_andorb(SAA7134_ANALOG_IO_SELECT,  0x10,
+                                                          (left > 10) ? 0x00 : 0x10);
+                                               break;
+                                       case MIXER_ADDR_LINE2:
+                                               saa_andorb(SAA7134_ANALOG_IO_SELECT,  0x20,
+                                                          (left > 10) ? 0x00 : 0x20);
+                                               break;
+                               }
+                               break;
+                       case PCI_DEVICE_ID_PHILIPS_SAA7133:
+                       case PCI_DEVICE_ID_PHILIPS_SAA7135:
+                               switch (addr) {
+                                       case MIXER_ADDR_TVTUNER:
+                                               left = 20;
+                                               break;
+                                       case MIXER_ADDR_LINE1:
+                                               saa_andorb(0x0594,  0x10,
+                                                          (left > 10) ? 0x00 : 0x10);
+                                               break;
+                                       case MIXER_ADDR_LINE2:
+                                               saa_andorb(0x0594,  0x20,
+                                                          (left > 10) ? 0x00 : 0x20);
+                                               break;
+                               }
+                               break;
+               }
+               chip->mixer_volume[addr][0] = left;
+               chip->mixer_volume[addr][1] = right;
+       }
        spin_unlock_irq(&chip->mixer_lock);
        return change;
 }
@@ -818,7 +871,7 @@ static int snd_saa7134_capsrc_put(struct snd_kcontrol * kcontrol,
                                break;
                }
 
-               /* output xbar always main channel */
+               /* output xbar always main channel */
                saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1, 0xbbbb10);
 
                if (left || right) { // We've got data, turn the input on
@@ -929,7 +982,7 @@ static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum)
 
 
        err = request_irq(dev->pci->irq, saa7134_alsa_irq,
-                               SA_SHIRQ | SA_INTERRUPT, dev->name,
+                               IRQF_SHARED | IRQF_DISABLED, dev->name,
                                (void*) &dev->dmasound);
 
        if (err < 0) {
@@ -997,9 +1050,9 @@ static int saa7134_alsa_init(void)
        struct saa7134_dev *dev = NULL;
        struct list_head *list;
 
-       if (!dmasound_init && !dmasound_exit) {
-               dmasound_init = alsa_device_init;
-               dmasound_exit = alsa_device_exit;
+       if (!saa7134_dmasound_init && !saa7134_dmasound_exit) {
+               saa7134_dmasound_init = alsa_device_init;
+               saa7134_dmasound_exit = alsa_device_exit;
        } else {
                printk(KERN_WARNING "saa7134 ALSA: can't load, DMA sound handler already assigned (probably to OSS)\n");
                return -EBUSY;
@@ -1036,8 +1089,8 @@ static void saa7134_alsa_exit(void)
                snd_card_free(snd_saa7134_cards[idx]);
        }
 
-       dmasound_init = NULL;
-       dmasound_exit = NULL;
+       saa7134_dmasound_init = NULL;
+       saa7134_dmasound_exit = NULL;
        printk(KERN_INFO "saa7134 ALSA driver for DMA sound unloaded\n");
 
        return;