[ALSA] PM support for cs5535audio

Appended is my patch adding PM support to the cs5535audio driver.
I also added the ac97 quirk but it's not yet confirmed which
boards need to be in the quirk list. The patch also includes some
Kconfig and misc cleanup.

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

1 files changed, 26 insertions, 5 deletions

diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c
index 2c1213a35dcc..41f02f05dfdc 100644
--- a/sound/pci/cs5535audio/cs5535audio.c
+++ b/sound/pci/cs5535audio/cs5535audio.c
@@ -1,5 +1,5 @@
 /*
- * Driver for audio on multifunction CS5535 companion device
+ * Driver for audio on multifunction CS5535/6 companion device
  * Copyright (C) Jaya Kumar
  *
  * Based on Jaroslav Kysela and Takashi Iwai's examples.
@@ -40,16 +40,29 @@
 
 #define DRIVER_NAME "cs5535audio"
 
+static char *ac97_quirk;
+module_param(ac97_quirk, charp, 0444);
+MODULE_PARM_DESC(ac97_quirk, "AC'97 board specific workarounds.");
+
+static struct ac97_quirk ac97_quirks[] __devinitdata = {
+#if 0 /* Not yet confirmed if all 5536 boards are HP only */
+        {
+                .subvendor = PCI_VENDOR_ID_AMD, 
+                .subdevice = PCI_DEVICE_ID_AMD_CS5536_AUDIO, 
+                .name = "AMD RDK",     
+                .type = AC97_TUNE_HP_ONLY
+        },
+#endif
+        {}
+};
 
 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
 
 static struct pci_device_id snd_cs5535audio_ids[] __devinitdata = {
-        { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_AUDIO,
-          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
-        { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_AUDIO,
-          PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
+        { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_AUDIO) },
+        { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_AUDIO) },
         {}
 };
 
@@ -148,6 +161,8 @@ static int snd_cs5535audio_mixer(struct cs5535audio *cs5535au)
                 return err;
         }
 
+        snd_ac97_tune_hardware(cs5535au->ac97, ac97_quirks, ac97_quirk);
+
         return 0;
 }
 
@@ -347,6 +362,8 @@ static int __devinit snd_cs5535audio_probe(struct pci_dev *pci,
         if ((err = snd_cs5535audio_create(card, pci, &cs5535au)) < 0)
                 goto probefail_out;
 
+        card->private_data = cs5535au;
+
         if ((err = snd_cs5535audio_mixer(cs5535au)) < 0)
                 goto probefail_out;
 
@@ -383,6 +400,10 @@ static struct pci_driver driver = {
         .id_table = snd_cs5535audio_ids,
         .probe = snd_cs5535audio_probe,
         .remove = __devexit_p(snd_cs5535audio_remove),
+#ifdef CONFIG_PM
+        .suspend = snd_cs5535audio_suspend,
+        .resume = snd_cs5535audio_resume,
+#endif
 };
 
 static int __init alsa_card_cs5535audio_init(void)