ALSA: ymfpci: Store saved legacy registers in an array

In preparation for storing more than two legacy PCI registers, the
existing ones are moved into a new array.

Signed-off-by: Tasos Sahanidis <tasos@tasossah.com>
Link: https://lore.kernel.org/r/20230329041440.177363-4-tasos@tasossah.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ymfpci/ymfpci.h

@@ -297,6 +297,12 @@ static const int saved_regs_index[] = {
 };
 #define YDSXGR_NUM_SAVED_REGS	ARRAY_SIZE(saved_regs_index)
 
+static const int pci_saved_regs_index[] = {
+	PCIR_DSXG_LEGACY,
+	PCIR_DSXG_ELEGACY,
+};
+#define DSXG_PCI_NUM_SAVED_REGS	ARRAY_SIZE(pci_saved_regs_index)
+
 struct snd_ymfpci {
 	int irq;
 
@@ -376,8 +382,7 @@ struct snd_ymfpci {
 
 	u32 saved_regs[YDSXGR_NUM_SAVED_REGS];
 	u32 saved_ydsxgr_mode;
-	u16 saved_dsxg_legacy;
-	u16 saved_dsxg_elegacy;
+	u16 saved_dsxg_pci_regs[DSXG_PCI_NUM_SAVED_REGS];
 };
 
 int snd_ymfpci_create(struct snd_card *card,

sound/pci/ymfpci/ymfpci_main.c

@@ -2228,13 +2228,16 @@ static int snd_ymfpci_suspend(struct device *dev)
 
 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 	snd_ac97_suspend(chip->ac97);
+
 	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);
+
+	for (i = 0; i < DSXG_PCI_NUM_SAVED_REGS; i++)
+		pci_read_config_word(chip->pci, pci_saved_regs_index[i],
+				      chip->saved_dsxg_pci_regs + i);
+
 	snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0);
 	snd_ymfpci_writel(chip, YDSXGR_BUF441OUTVOL, 0);
 	snd_ymfpci_disable_dsp(chip);
@@ -2258,10 +2261,9 @@ static int snd_ymfpci_resume(struct device *dev)
 
 	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);
+	for (i = 0; i < DSXG_PCI_NUM_SAVED_REGS; i++)
+		pci_write_config_word(chip->pci, pci_saved_regs_index[i],
+				      chip->saved_dsxg_pci_regs[i]);
 
 	/* start hw again */
 	if (chip->start_count > 0) {