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sound: oxygen: enable headphone output on Claro cards

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From: Linux Kernel Mailing List
Subject: sound: oxygen: enable headphone output on Claro cards
Date: Thursday, March 26, 2009 - 12:18 pm

Gitweb:     http://git.kernel.org/linus/873591db59e66434fd0a484c92f69fc21100b33d
Commit:     873591db59e66434fd0a484c92f69fc21100b33d
Parent:     82af308f658cf2193e5058bbbfd37c3437cfb4e7
Author:     Clemens Ladisch <clemens@ladisch.de>
AuthorDate: Mon Mar 9 09:12:55 2009 +0100
Committer:  Takashi Iwai <tiwai@suse.de>
CommitDate: Mon Mar 9 09:45:11 2009 +0100

    sound: oxygen: enable headphone output on Claro cards
    
    On the HT-Omega Claro (halo) sound cards, the headphone amplifier must
    be enabled explicitly by setting a GPIO bit.
    
    Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
    Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/oxygen/oxygen.c |   63 +++++++++++++++++++++++++++++++++++++-------
 1 files changed, 53 insertions(+), 10 deletions(-)

diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index 1d8e2b2..72db4c3 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -1,5 +1,5 @@
 /*
- * C-Media CMI8788 driver for C-Media's reference design and for the X-Meridian
+ * C-Media CMI8788 driver for C-Media's reference design and similar models
  *
  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
  *
@@ -26,6 +26,7 @@
  *
  * GPIO 0 -> DFS0 of AK5385
  * GPIO 1 -> DFS1 of AK5385
+ * GPIO 8 -> enable headphone amplifier on HT-Omega models
  */
 
 #include <linux/delay.h>
@@ -61,7 +62,8 @@ MODULE_PARM_DESC(enable, "enable card");
 enum {
 	MODEL_CMEDIA_REF,	/* C-Media's reference design */
 	MODEL_MERIDIAN,		/* AuzenTech X-Meridian */
-	MODEL_HALO,		/* HT-Omega Claro halo */
+	MODEL_CLARO,		/* HT-Omega Claro */
+	MODEL_CLARO_HALO,	/* HT-Omega Claro halo */
 };
 
 static struct pci_device_id oxygen_ids[] __devinitdata = {
@@ -74,8 +76,8 @@ static struct pci_device_id oxygen_ids[] __devinitdata = {
 	{ OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data = MODEL_CMEDIA_REF },
 	{ OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data = MODEL_CMEDIA_REF },
 	{ OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = MODEL_MERIDIAN },
-	{ OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CMEDIA_REF },
-	{ OXYGEN_PCI_SUBID(0x7284, 0x9781), .driver_data = MODEL_HALO },
+	{ OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data = MODEL_CLARO },
+	{ OXYGEN_PCI_SUBID(0x7284, 0x9781), .driver_data = MODEL_CLARO_HALO },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, oxygen_ids);
@@ -86,6 +88,8 @@ MODULE_DEVICE_TABLE(pci, oxygen_ids);
 #define GPIO_AK5385_DFS_DOUBLE	0x0001
 #define GPIO_AK5385_DFS_QUAD	0x0002
 
+#define GPIO_CLARO_HP		0x0100
+
 struct generic_data {
 	u8 ak4396_ctl2;
 	u16 saved_wm8785_registers[2];
@@ -196,16 +200,46 @@ static void meridian_init(struct oxygen *chip)
 	ak5385_init(chip);
 }
 
-static void halo_init(struct oxygen *chip)
+static void claro_enable_hp(struct oxygen *chip)
+{
+	msleep(300);
+	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CLARO_HP);
+	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP);
+}
+
+static void claro_init(struct oxygen *chip)
+{
+	ak4396_init(chip);
+	wm8785_init(chip);
+	claro_enable_hp(chip);
+}
+
+static void claro_halo_init(struct oxygen *chip)
 {
 	ak4396_init(chip);
 	ak5385_init(chip);
+	claro_enable_hp(chip);
 }
 
 static void generic_cleanup(struct oxygen *chip)
 {
 }
 
+static void claro_disable_hp(struct oxygen *chip)
+{
+	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_CLARO_HP);
+}
+
+static void claro_cleanup(struct oxygen *chip)
+{
+	claro_disable_hp(chip);
+}
+
+static void claro_suspend(struct oxygen *chip)
+{
+	claro_disable_hp(chip);
+}
+
 static void generic_resume(struct oxygen *chip)
 {
 	ak4396_registers_init(chip);
@@ -217,9 +251,10 @@ static void meridian_resume(struct oxygen *chip)
 	ak4396_registers_init(chip);
 }
 
-static void halo_resume(struct oxygen *chip)
+static void claro_resume(struct oxygen *chip)
 {
 	ak4396_registers_init(chip);
+	claro_enable_hp(chip);
 }
 
 static void set_ak4396_params(struct oxygen *chip,
@@ -346,14 +381,22 @@ static int __devinit get_oxygen_model(struct oxygen *chip,
 					    CAPTURE_0_FROM_I2S_2 |
 					    CAPTURE_1_FROM_SPDIF;
 		break;
-	case MODEL_HALO:
-		chip->model.init = halo_init;
-		chip->model.resume = halo_resume;
+	case MODEL_CLARO:
+		chip->model.init = claro_init;
+		chip->model.cleanup = claro_cleanup;
+		chip->model.suspend = claro_suspend;
+		chip->model.resume = claro_resume;
+		break;
+	case MODEL_CLARO_HALO:
+		chip->model.init = claro_halo_init;
+		chip->model.cleanup = claro_cleanup;
+		chip->model.suspend = claro_suspend;
+		chip->model.resume = claro_resume;
 		chip->model.set_adc_params = set_ak5385_params;
 		break;
 	}
 	if (id->driver_data == MODEL_MERIDIAN ||
-	    id->driver_data == MODEL_HALO) {
+	    id->driver_data == MODEL_CLARO_HALO) {
 		chip->model.misc_flags = OXYGEN_MISC_MIDI;
 		chip->model.device_config |= MIDI_OUTPUT | MIDI_INPUT;
 	}
--
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sound: oxygen: enable headphone output on Claro cards, Linux Kernel Mailing ..., (Thu Mar 26, 12:18 pm)