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Diffstat (limited to 'sound/aoa/codecs/onyx.c')
-rw-r--r--sound/aoa/codecs/onyx.c102
1 files changed, 25 insertions, 77 deletions
diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c
index 15500b9d2da..401107b85d3 100644
--- a/sound/aoa/codecs/onyx.c
+++ b/sound/aoa/codecs/onyx.c
@@ -33,6 +33,7 @@
*/
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/slab.h>
MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("pcm3052 (onyx) codec driver for snd-aoa");
@@ -47,7 +48,7 @@ MODULE_DESCRIPTION("pcm3052 (onyx) codec driver for snd-aoa");
struct onyx {
/* cache registers 65 to 80, they are write-only! */
u8 cache[16];
- struct i2c_client i2c;
+ struct i2c_client *i2c;
struct aoa_codec codec;
u32 initialised:1,
spdif_locked:1,
@@ -72,7 +73,7 @@ static int onyx_read_register(struct onyx *onyx, u8 reg, u8 *value)
*value = onyx->cache[reg-FIRSTREGISTER];
return 0;
}
- v = i2c_smbus_read_byte_data(&onyx->i2c, reg);
+ v = i2c_smbus_read_byte_data(onyx->i2c, reg);
if (v < 0)
return -1;
*value = (u8)v;
@@ -84,7 +85,7 @@ static int onyx_write_register(struct onyx *onyx, u8 reg, u8 value)
{
int result;
- result = i2c_smbus_write_byte_data(&onyx->i2c, reg, value);
+ result = i2c_smbus_write_byte_data(onyx->i2c, reg, value);
if (!result)
onyx->cache[reg-FIRSTREGISTER] = value;
return result;
@@ -240,7 +241,7 @@ static struct snd_kcontrol_new inputgain_control = {
static int onyx_snd_capture_source_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
- static char *texts[] = { "Line-In", "Microphone" };
+ static const char * const texts[] = { "Line-In", "Microphone" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
@@ -888,7 +889,7 @@ static int onyx_init_codec(struct aoa_codec *codec)
return -ENODEV;
}
- if (aoa_snd_device_new(SNDRV_DEV_LOWLEVEL, onyx, &ops)) {
+ if (aoa_snd_device_new(SNDRV_DEV_CODEC, onyx, &ops)) {
printk(KERN_ERR PFX "failed to create onyx snd device!\n");
return -ENODEV;
}
@@ -996,12 +997,10 @@ static void onyx_exit_codec(struct aoa_codec *codec)
onyx->codec.soundbus_dev->detach_codec(onyx->codec.soundbus_dev, onyx);
}
-static struct i2c_driver onyx_driver;
-
-static int onyx_create(struct i2c_adapter *adapter,
- struct device_node *node,
- int addr)
+static int onyx_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
+ struct device_node *node = client->dev.of_node;
struct onyx *onyx;
u8 dummy;
@@ -1011,20 +1010,12 @@ static int onyx_create(struct i2c_adapter *adapter,
return -ENOMEM;
mutex_init(&onyx->mutex);
- onyx->i2c.driver = &onyx_driver;
- onyx->i2c.adapter = adapter;
- onyx->i2c.addr = addr & 0x7f;
- strlcpy(onyx->i2c.name, "onyx audio codec", I2C_NAME_SIZE);
-
- if (i2c_attach_client(&onyx->i2c)) {
- printk(KERN_ERR PFX "failed to attach to i2c\n");
- goto fail;
- }
+ onyx->i2c = client;
+ i2c_set_clientdata(client, onyx);
/* we try to read from register ONYX_REG_CONTROL
* to check if the codec is present */
if (onyx_read_register(onyx, ONYX_REG_CONTROL, &dummy) != 0) {
- i2c_detach_client(&onyx->i2c);
printk(KERN_ERR PFX "failed to read control register\n");
goto fail;
}
@@ -1036,83 +1027,40 @@ static int onyx_create(struct i2c_adapter *adapter,
onyx->codec.node = of_node_get(node);
if (aoa_codec_register(&onyx->codec)) {
- i2c_detach_client(&onyx->i2c);
goto fail;
}
printk(KERN_DEBUG PFX "created and attached onyx instance\n");
return 0;
fail:
kfree(onyx);
- return -EINVAL;
+ return -ENODEV;
}
-static int onyx_i2c_attach(struct i2c_adapter *adapter)
+static int onyx_i2c_remove(struct i2c_client *client)
{
- struct device_node *busnode, *dev = NULL;
- struct pmac_i2c_bus *bus;
+ struct onyx *onyx = i2c_get_clientdata(client);
- bus = pmac_i2c_adapter_to_bus(adapter);
- if (bus == NULL)
- return -ENODEV;
- busnode = pmac_i2c_get_bus_node(bus);
-
- while ((dev = of_get_next_child(busnode, dev)) != NULL) {
- if (of_device_is_compatible(dev, "pcm3052")) {
- const u32 *addr;
- printk(KERN_DEBUG PFX "found pcm3052\n");
- addr = of_get_property(dev, "reg", NULL);
- if (!addr)
- return -ENODEV;
- return onyx_create(adapter, dev, (*addr)>>1);
- }
- }
-
- /* if that didn't work, try desperate mode for older
- * machines that have stuff missing from the device tree */
-
- if (!of_device_is_compatible(busnode, "k2-i2c"))
- return -ENODEV;
-
- printk(KERN_DEBUG PFX "found k2-i2c, checking if onyx chip is on it\n");
- /* probe both possible addresses for the onyx chip */
- if (onyx_create(adapter, NULL, 0x46) == 0)
- return 0;
- return onyx_create(adapter, NULL, 0x47);
-}
-
-static int onyx_i2c_detach(struct i2c_client *client)
-{
- struct onyx *onyx = container_of(client, struct onyx, i2c);
- int err;
-
- if ((err = i2c_detach_client(client)))
- return err;
aoa_codec_unregister(&onyx->codec);
of_node_put(onyx->codec.node);
- if (onyx->codec_info)
- kfree(onyx->codec_info);
+ kfree(onyx->codec_info);
kfree(onyx);
return 0;
}
+static const struct i2c_device_id onyx_i2c_id[] = {
+ { "MAC,pcm3052", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c,onyx_i2c_id);
+
static struct i2c_driver onyx_driver = {
.driver = {
.name = "aoa_codec_onyx",
.owner = THIS_MODULE,
},
- .attach_adapter = onyx_i2c_attach,
- .detach_client = onyx_i2c_detach,
+ .probe = onyx_i2c_probe,
+ .remove = onyx_i2c_remove,
+ .id_table = onyx_i2c_id,
};
-static int __init onyx_init(void)
-{
- return i2c_add_driver(&onyx_driver);
-}
-
-static void __exit onyx_exit(void)
-{
- i2c_del_driver(&onyx_driver);
-}
-
-module_init(onyx_init);
-module_exit(onyx_exit);
+module_i2c_driver(onyx_driver);