From 28aa165cc52fa686a55a2a2052fdddad0fbde5eb Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 13 Mar 2012 08:07:41 +0100 Subject: [PATCH] ALSA: ymfpci - Fix legacy registers on S3/S4 resume We need to resume two legacy registers to recover MIDI/FM functionality on S3/S4 resume, too. Signed-off-by: Takashi Iwai --- include/sound/ymfpci.h | 2 ++ sound/pci/ymfpci/ymfpci_main.c | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/include/sound/ymfpci.h b/include/sound/ymfpci.h index 444cd6ba0ba7..41199664666b 100644 --- a/include/sound/ymfpci.h +++ b/include/sound/ymfpci.h @@ -366,6 +366,8 @@ struct snd_ymfpci { #ifdef CONFIG_PM u32 *saved_regs; u32 saved_ydsxgr_mode; + u16 saved_dsxg_legacy; + u16 saved_dsxg_elegacy; #endif }; diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index 03ee4e365311..a3a2eababc01 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -2310,6 +2310,10 @@ int snd_ymfpci_suspend(struct pci_dev *pci, pm_message_t state) for (i = 0; i < YDSXGR_NUM_SAVED_REGS; i++) chip->saved_regs[i] = snd_ymfpci_readl(chip, saved_regs_index[i]); chip->saved_ydsxgr_mode = snd_ymfpci_readl(chip, YDSXGR_MODE); + pci_read_config_word(chip->pci, PCIR_DSXG_LEGACY, + &chip->saved_dsxg_legacy); + pci_read_config_word(chip->pci, PCIR_DSXG_ELEGACY, + &chip->saved_dsxg_elegacy); snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0); snd_ymfpci_writel(chip, YDSXGR_BUF441OUTVOL, 0); snd_ymfpci_disable_dsp(chip); @@ -2344,6 +2348,11 @@ int snd_ymfpci_resume(struct pci_dev *pci) snd_ac97_resume(chip->ac97); + pci_write_config_word(chip->pci, PCIR_DSXG_LEGACY, + chip->saved_dsxg_legacy); + pci_write_config_word(chip->pci, PCIR_DSXG_ELEGACY, + chip->saved_dsxg_elegacy); + /* start hw again */ if (chip->start_count > 0) { spin_lock_irq(&chip->reg_lock);