[alsa-devel] [PATCH - juli.c 1/1] ALSA: juli - Patch for suspend/resume for ESI Juli@

[alexey.kv at gmail.com]

From: Aleksey Kunitskiy <alexey.kv at gmail.com>

Add proper suspend/resume code for Juli@ cards. Based on ice1724
suspend/resume work of Igor Chernyshev.
Fixes bug https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4413
Tested on linux-2.6.31.6

Signed-off-by: Aleksey Kunitskiy <alexey.kv at gmail.com>
---
 pci/ice1712/juli.c |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/pci/ice1712/juli.c b/pci/ice1712/juli.c
index 4bed963..2cf34c2 100644
--- a/pci/ice1712/juli.c
+++ b/pci/ice1712/juli.c
@@ -483,6 +483,28 @@ static int __devinit juli_add_controls(struct snd_ice1712 *ice)
 }
 
 /*
+ * suspend/resume
+ * */
+
+#ifdef CONFIG_PM
+static int __devinit juli_resume(struct snd_ice1712 *ice)
+{
+	struct snd_akm4xxx *ak = ice->akm;
+	/* akm4358 un-reset, un-mute */
+	snd_akm4xxx_reset(ak, 0);
+	return 0;
+}
+
+static int __devinit juli_suspend(struct snd_ice1712 *ice)
+{
+	struct snd_akm4xxx *ak = ice->akm;
+	/* akm4358 reset and soft-mute */
+	snd_akm4xxx_reset(ak, 1);
+	return 0;
+}
+#endif
+
+/*
  * initialize the chip
  */
 
@@ -626,6 +648,13 @@ static int __devinit juli_init(struct snd_ice1712 *ice)
 	ice->set_spdif_clock = juli_set_spdif_clock;
 
 	ice->spdif.ops.open = juli_spdif_in_open;
+
+#ifdef CONFIG_PM
+	ice->pm_resume = &juli_resume;
+	ice->pm_suspend = &juli_suspend;
+	ice->pm_suspend_enabled = 1;
+#endif
+
 	return 0;
 }
 
-- 
1.6.4.4