diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2014-04-03 23:09:38 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-04-04 16:22:44 +0200 |
| commit | 6ea0cae73d3b5ee963bea9348220b61fd8960743 (patch) | |
| tree | f2ca1a4edccbb25c1d1bc3161d3c5bfb005ca2b5 | |
| parent | 6e61246f5aeaede80e7a00e8b1de7ae07b1315e7 (diff) | |
| download | linux-6ea0cae73d3b5ee963bea9348220b61fd8960743.tar.bz2 | |
ALSA: ice1712: Save/restore routing and rate registers
Save/restore routing and rate registers during suspend/resume.
This fixes S/PDIF input being disabled after resume.
Tested with Audiophile 24/96.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/ice1712/ice1712.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index 291672fc4a99..da005493f060 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -1048,6 +1048,8 @@ __out: old = inb(ICEMT(ice, RATE)); if (!force && old == val) goto __out; + + ice->cur_rate = rate; outb(val, ICEMT(ice, RATE)); spin_unlock_irqrestore(&ice->reg_lock, flags); @@ -2832,6 +2834,12 @@ static int snd_ice1712_suspend(struct device *dev) snd_pcm_suspend_all(ice->pcm_ds); snd_ac97_suspend(ice->ac97); + spin_lock_irq(&ice->reg_lock); + ice->pm_saved_is_spdif_master = is_spdif_master(ice); + ice->pm_saved_spdif_ctrl = inw(ICEMT(ice, ROUTE_SPDOUT)); + ice->pm_saved_route = inw(ICEMT(ice, ROUTE_PSDOUT03)); + spin_unlock_irq(&ice->reg_lock); + if (ice->pm_suspend) ice->pm_suspend(ice); @@ -2846,6 +2854,7 @@ static int snd_ice1712_resume(struct device *dev) struct pci_dev *pci = to_pci_dev(dev); struct snd_card *card = dev_get_drvdata(dev); struct snd_ice1712 *ice = card->private_data; + int rate; if (!ice->pm_suspend_enabled) return 0; @@ -2860,14 +2869,37 @@ static int snd_ice1712_resume(struct device *dev) pci_set_master(pci); + if (ice->cur_rate) + rate = ice->cur_rate; + else + rate = PRO_RATE_DEFAULT; + if (snd_ice1712_chip_init(ice) < 0) { snd_card_disconnect(card); return -EIO; } + ice->cur_rate = rate; + if (ice->pm_resume) ice->pm_resume(ice); + if (ice->pm_saved_is_spdif_master) { + /* switching to external clock via SPDIF */ + spin_lock_irq(&ice->reg_lock); + outb(inb(ICEMT(ice, RATE)) | ICE1712_SPDIF_MASTER, + ICEMT(ice, RATE)); + spin_unlock_irq(&ice->reg_lock); + snd_ice1712_set_input_clock_source(ice, 1); + } else { + /* internal on-card clock */ + snd_ice1712_set_pro_rate(ice, rate, 1); + snd_ice1712_set_input_clock_source(ice, 0); + } + + outw(ice->pm_saved_spdif_ctrl, ICEMT(ice, ROUTE_SPDOUT)); + outw(ice->pm_saved_route, ICEMT(ice, ROUTE_PSDOUT03)); + if (ice->ac97) snd_ac97_resume(ice->ac97); |