From: Aleksey Kunitskiy <alexey.kv@gmail.com>
Date: Sat, 14 Nov 2009 13:18:54 +0000 (+0200)
Subject: ALSA: ice1724 - Patch for suspend/resume for ESI Juli@
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=50d40f187f9182ee8caa1b83f80a0e11e2226baa;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

ALSA: ice1724 - Patch for suspend/resume for ESI Juli@

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@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/ice1712/juli.c b/sound/pci/ice1712/juli.c
index fd948bfd9aef..f5020ad99a10 100644
--- a/sound/pci/ice1712/juli.c
+++ b/sound/pci/ice1712/juli.c
@@ -503,6 +503,31 @@ static int __devinit juli_add_controls(struct snd_ice1712 *ice)
 	return 0;
 }
 
+/*
+ * suspend/resume
+ * */
+
+#ifdef CONFIG_PM
+static int juli_resume(struct snd_ice1712 *ice)
+{
+	struct snd_akm4xxx *ak = ice->akm;
+	struct juli_spec *spec = ice->spec;
+	/* akm4358 un-reset, un-mute */
+	snd_akm4xxx_reset(ak, 0);
+	/* reinit ak4114 */
+	snd_ak4114_reinit(spec->ak4114);
+	return 0;
+}
+
+static int 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
  */
@@ -646,6 +671,13 @@ 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;
 }