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| author | Takashi Iwai <tiwai@suse.de> | 2005-10-10 13:42:24 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-11-04 13:18:23 +0100 |
| commit | 93b9f426374a07d46f582fdf284e4e26d8fe9756 (patch) | |
| tree | 1bdca00719c0eb5e02e4948a8f762c425e8bd3a1 /sound/pci | |
| parent | c913f69b0d1b9f3f3aa39f49a240cb0fb9d7c6dd (diff) | |
| download | kernel_samsung_aries-93b9f426374a07d46f582fdf284e4e26d8fe9756.zip kernel_samsung_aries-93b9f426374a07d46f582fdf284e4e26d8fe9756.tar.gz kernel_samsung_aries-93b9f426374a07d46f582fdf284e4e26d8fe9756.tar.bz2 | |
[ALSA] es1938 - Clean up and fix trigger in PM
Modules: ES1938 driver
- Clean up the last PM fix
- Add TRIGGER_SUSPEND/RESUME to disable/enable DMA properly during PM
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/es1938.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c index e8b8ebf..7bfbdfc 100644 --- a/sound/pci/es1938.c +++ b/sound/pci/es1938.c @@ -543,10 +543,12 @@ static int snd_es1938_capture_trigger(snd_pcm_substream_t * substream, int val; switch (cmd) { case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: val = 0x0f; chip->active |= ADC1; break; case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: val = 0x00; chip->active &= ~ADC1; break; @@ -563,6 +565,7 @@ static int snd_es1938_playback1_trigger(snd_pcm_substream_t * substream, es1938_t *chip = snd_pcm_substream_chip(substream); switch (cmd) { case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: /* According to the documentation this should be: 0x13 but that value may randomly swap stereo channels */ snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0x92); @@ -575,6 +578,7 @@ static int snd_es1938_playback1_trigger(snd_pcm_substream_t * substream, chip->active |= DAC2; break; case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: outb(0, SLIO_REG(chip, AUDIO2MODE)); snd_es1938_mixer_write(chip, ESSSB_IREG_AUDIO2CONTROL1, 0); chip->active &= ~DAC2; @@ -592,10 +596,12 @@ static int snd_es1938_playback2_trigger(snd_pcm_substream_t * substream, int val; switch (cmd) { case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: val = 5; chip->active |= DAC1; break; case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: val = 0; chip->active &= ~DAC1; break; @@ -1390,7 +1396,7 @@ static int es1938_suspend(snd_card_t *card, pm_message_t state) *d = snd_es1938_reg_read(chip, *s); outb(0x00, SLIO_REG(chip, IRQCONTROL)); /* disable irqs */ - if (chip->irq >= 0) + if (chip->irq >= 0) free_irq(chip->irq, (void *)chip); pci_disable_device(chip->pci); return 0; @@ -1402,7 +1408,9 @@ static int es1938_resume(snd_card_t *card) unsigned char *s, *d; pci_enable_device(chip->pci); - request_irq(chip->pci->irq, snd_es1938_interrupt, SA_INTERRUPT|SA_SHIRQ, "ES1938", (void *)chip); + request_irq(chip->pci->irq, snd_es1938_interrupt, + SA_INTERRUPT|SA_SHIRQ, "ES1938", (void *)chip); + chip->irq = chip->pci->irq; snd_es1938_chip_init(chip); /* restore mixer-related registers */ |