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Commit 28aa165c authored by Takashi Iwai's avatar Takashi Iwai
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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: default avatarTakashi Iwai <tiwai@suse.de>
parent bd483d4c

include/sound/ymfpci.h

+2 −0
Original line number Diff line number Diff line
@@ -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

};

sound/pci/ymfpci/ymfpci_main.c

+9 −0
Original line number Diff line number Diff line
@@ -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);