summaryrefslogtreecommitdiff
path: root/sound/isa/ad1816a/ad1816a_lib.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/isa/ad1816a/ad1816a_lib.c')
-rw-r--r--sound/isa/ad1816a/ad1816a_lib.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c
index de5cc1c26279..db64df6023e0 100644
--- a/sound/isa/ad1816a/ad1816a_lib.c
+++ b/sound/isa/ad1816a/ad1816a_lib.c
@@ -491,7 +491,7 @@ static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)
}
-static void __devinit snd_ad1816a_init(struct snd_ad1816a *chip)
+static void snd_ad1816a_init(struct snd_ad1816a *chip)
{
unsigned long flags;
@@ -511,6 +511,32 @@ static void __devinit snd_ad1816a_init(struct snd_ad1816a *chip)
spin_unlock_irqrestore(&chip->lock, flags);
}
+#ifdef CONFIG_PM
+void snd_ad1816a_suspend(struct snd_ad1816a *chip)
+{
+ int reg;
+ unsigned long flags;
+
+ snd_pcm_suspend_all(chip->pcm);
+ spin_lock_irqsave(&chip->lock, flags);
+ for (reg = 0; reg < 48; reg++)
+ chip->image[reg] = snd_ad1816a_read(chip, reg);
+ spin_unlock_irqrestore(&chip->lock, flags);
+}
+
+void snd_ad1816a_resume(struct snd_ad1816a *chip)
+{
+ int reg;
+ unsigned long flags;
+
+ snd_ad1816a_init(chip);
+ spin_lock_irqsave(&chip->lock, flags);
+ for (reg = 0; reg < 48; reg++)
+ snd_ad1816a_write(chip, reg, chip->image[reg]);
+ spin_unlock_irqrestore(&chip->lock, flags);
+}
+#endif
+
static int __devinit snd_ad1816a_probe(struct snd_ad1816a *chip)
{
unsigned long flags;