diff options
Diffstat (limited to 'sound/aoa/codecs/onyx.c')
| -rw-r--r-- | sound/aoa/codecs/onyx.c | 102 |
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); |
