armadeus-commitlog Mailing List for armadeus (Page 114)

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- Log -----------------------------------------------------------------
commit eb136b98483dbc452f997a12f393aec2e35aaad0
Author: Julien Boibessot <jul...@ar...>
Date:   Sun Dec 20 18:09:50 2009 +0100

    [BUILD] improve target/linux/.gitignore

commit d7c160b38937bc010dc5141e6d83c3671e4babc8
Author: Julien Boibessot <jul...@ar...>
Date:   Sun Dec 20 18:08:29 2009 +0100

    [LINUX] Makes MAX9768 driver more verbose when errors occur

commit b4fe72c9aeb7dbd1f8b25c0015c508b5556b7b32
Author: Julien Boibessot <jul...@ar...>
Date:   Sun Dec 20 12:35:58 2009 +0100

    [LINUX] apf9328: update default config with new LCDs

-----------------------------------------------------------------------

Summary of changes:
 .../armadeus/apf9328/apf9328-linux-2.6.29.config   |   15 ++++--
 target/linux/.gitignore                            |    1 +
 target/linux/modules/Makefile.in                   |    1 +
 target/linux/modules/max9768/max9768.c             |   44 ++++++++++++-------
 target/linux/modules/max9768/max9768.h             |    4 +-
 5 files changed, 42 insertions(+), 23 deletions(-)

diff --git a/buildroot/target/device/armadeus/apf9328/apf9328-linux-2.6.29.config b/buildroot/target/device/armadeus/apf9328/apf9328-linux-2.6.29.config
index ae18428..58967f6 100644
--- a/buildroot/target/device/armadeus/apf9328/apf9328-linux-2.6.29.config
+++ b/buildroot/target/device/armadeus/apf9328/apf9328-linux-2.6.29.config
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.29.6
-# Thu Dec  3 21:58:38 2009
+# Sun Dec 20 12:29:08 2009
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -895,12 +895,15 @@ CONFIG_FB_MODE_HELPERS=y
 # Frame buffer hardware drivers
 #
 CONFIG_FB_IMX=y
-CONFIG_FB_IMX_SHARP_LQ043_TFT=y
+# CONFIG_FB_IMX_CHIMEI_LW700AT9003_TFT is not set
+# CONFIG_FB_IMX_HITACHI_TX12D17VM1BDP_TFT is not set
 # CONFIG_FB_IMX_MICROTIPS_MTF_T035_TFT is not set
-# CONFIG_FB_IMX_SHARP_LQ057_TFT is not set
-# CONFIG_FB_IMX_OPTREX_F51900_CSTN is not set
 # CONFIG_FB_IMX_MOTOROLA_A910_TFT is not set
-# CONFIG_FB_IMX_CHIMEI_LW700AT9003_TFT is not set
+# CONFIG_FB_IMX_OPTREX_F51900_CSTN is not set
+# CONFIG_FB_IMX_OPTREX_T51638D084_TFT is not set
+CONFIG_FB_IMX_SHARP_LQ043_TFT=y
+# CONFIG_FB_IMX_SHARP_LQ057_TFT is not set
+# CONFIG_FB_IMX_CUSTOM_LCD is not set
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 # CONFIG_FB_METRONOME is not set
@@ -909,8 +912,10 @@ CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=m
 # CONFIG_LCD_LTV350QV is not set
 # CONFIG_LCD_ILI9320 is not set
+# CONFIG_LCD_HX5116 is not set
 # CONFIG_LCD_TDO24M is not set
 # CONFIG_LCD_VGG2432A4 is not set
+# CONFIG_LCD_P0340WQL is not set
 # CONFIG_LCD_PLATFORM is not set
 CONFIG_BACKLIGHT_CLASS_DEVICE=m
 CONFIG_BACKLIGHT_GENERIC=m
diff --git a/target/linux/.gitignore b/target/linux/.gitignore
index b76bac3..5b9e868 100644
--- a/target/linux/.gitignore
+++ b/target/linux/.gitignore
@@ -8,3 +8,4 @@
 *~
 .tmp_versions
 Module.symvers
+Module.markers
diff --git a/target/linux/modules/Makefile.in b/target/linux/modules/Makefile.in
index 00fea76..550db8f 100755
--- a/target/linux/modules/Makefile.in
+++ b/target/linux/modules/Makefile.in
@@ -10,4 +10,5 @@ clean:
 	$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) clean
 	rm -f modules.order
 	rm -rf .tmp_versions/
+	rm -f Module.markers
 
diff --git a/target/linux/modules/max9768/max9768.c b/target/linux/modules/max9768/max9768.c
index 2bc3160..1ec1f54 100644
--- a/target/linux/modules/max9768/max9768.c
+++ b/target/linux/modules/max9768/max9768.c
@@ -1,5 +1,5 @@
 /*
- * Max9768 audio amplifier driver
+ * MAX9768 audio amplifier driver
  *
  * Copyright (C) 2009 Armadeus Project / Armadeus Systems
  * Author: Nicolas Colombain
@@ -63,24 +63,28 @@ static void max9768_mute(struct max9768 *max9768, int mute)
 	max9768->mute_state = mute;
 }
 
-static void max9768_send( struct i2c_client *client, int value )
+static int max9768_send(struct i2c_client *client, int value)
 {
 	char msg = value & 0xff;
 
-	i2c_master_send(client, &msg, 1);
+	return i2c_master_send(client, &msg, 1);
 }
 
-/* sysfs hook functions */
 
+/* sysfs hook functions */
 static ssize_t max9768_set_volume(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	char msg;
+	int err;
 	
 	msg = (simple_strtol(buf, NULL, 10)) & MAX9768_VOLUME_MASK;
 	pr_debug("%s: 0x%02x\n", __FUNCTION__, msg);
-	max9768_send( client, msg);
+	err = max9768_send(client, msg);
+	if (err) {
+		dev_err(dev, "couldn't set volume\n");
+	}
 
 	return count;
 }
@@ -122,15 +126,15 @@ static int max9768_create_sys_entries(struct i2c_client *client)
 	int status = 0;
 
 	if ((status = device_create_file(&client->dev, &dev_attr_volume))) {
-		printk(KERN_WARNING "Unable to create sysfs attribute for max9768 volume register\n");
+		dev_warn(&client->dev, "Unable to create sysfs attribute for volume register\n");
 		goto exit;
 	}
 	if ((status = device_create_file(&client->dev, &dev_attr_mute))) {
-		printk(KERN_WARNING "Unable to create sysfs attribute for max9768 mute register\n");
+		dev_warn(&client->dev, "Unable to create sysfs attribute for mute register\n");
 		goto exit;
 	}
 	if ((status = device_create_file(&client->dev, &dev_attr_shutdown))) {
-		printk(KERN_WARNING "Unable to create sysfs attribute for max9768 shutdown register\n");
+		dev_warn(&client->dev, "Unable to create sysfs attribute for shutdown register\n");
 		goto exit;
 	}
 
@@ -169,7 +173,7 @@ static int max9768_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, max9768);
 	dev_set_drvdata(&client->dev, max9768);
 
-	/* Create /sys entries */
+	/* create /sys entries */
 	result = max9768_create_sys_entries(client);
 	if (result)
 		goto out_free;
@@ -177,24 +181,31 @@ static int max9768_probe(struct i2c_client *client,
 	if (platform_data->init) {
 		result = platform_data->init();
 		if (result) {
-			printk(KERN_WARNING DRIVER_NAME ": can't reserve gpios\n");
+			dev_err(&client->dev, "can't reserve gpios\n");
 			goto out_sys;
 		}
 	}
 	max9768->mute_pin = platform_data->mute_pin;
 	max9768->shdn_pin = platform_data->shdn_pin;
 		
-	/* shutdown amplifier and activate mute  */
+	/* set filter mode */
+	result = max9768_send(client, platform_data->filter_mode);
+	if (result) {
+		dev_err(&client->dev, "can't communicate with chip\n");
+		goto out_gpio;
+	}
+
+	/* shutdown amplifier and activate mute */
 	max9768_shutdown(max9768, 1);
 	max9768_mute(max9768, 1);
 
-	/* set filter mode */
-	max9768_send(client, platform_data->filter_mode);
-
-	printk(DRIVER_NAME " v" DRIVER_VERSION " successfully probed !\n");
+	dev_notice(&client->dev, "successfully probed !\n");
 
 	return 0;
 
+out_gpio:
+	if (platform_data->exit)
+		platform_data->exit();
 out_sys:
 	max9768_remove_sys_entries(client);
 out_free:
@@ -268,9 +279,10 @@ static int __init max9768_init(void)
 {
 	int ret;
 
+	printk(DRIVER_NAME " v" DRIVER_VERSION "\n");
 	ret = i2c_add_driver(&max9768_driver);
 	if (ret)
-		printk(KERN_ERR "Unable to register max9768 driver\n");
+		printk(KERN_ERR "unable to register to I2C bus !\n");
 
 	return ret;
 }
diff --git a/target/linux/modules/max9768/max9768.h b/target/linux/modules/max9768/max9768.h
index a92b1ac..3411f60 100644
--- a/target/linux/modules/max9768/max9768.h
+++ b/target/linux/modules/max9768/max9768.h
@@ -28,8 +28,8 @@
 
 struct max9768_platform_data {
 	u8 filter_mode;
-	int mute_pin; /*gpio for mute ctrl */   
-	int shdn_pin; /*gpio for shutdown ctrl */   
+	int mute_pin;	/* gpio for mute ctrl */
+	int shdn_pin;	/* gpio for shutdown ctrl */
 	int (*init)(void);
 	int (*exit)(void);
 };


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armadeus-commitlog Mailing List for armadeus (Page 114)

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