diff options
Diffstat (limited to 'sound/soc/atmel/sam9g20_wm8731.c')
| -rw-r--r-- | sound/soc/atmel/sam9g20_wm8731.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c index aa524235fd9..173a239a541 100644 --- a/sound/soc/atmel/sam9g20_wm8731.c +++ b/sound/soc/atmel/sam9g20_wm8731.c @@ -36,6 +36,7 @@ #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/platform_device.h> +#include <linux/i2c.h> #include <linux/atmel-ssc.h> @@ -280,15 +281,41 @@ static struct snd_soc_card snd_soc_at91sam9g20ek = { .set_bias_level = at91sam9g20ek_set_bias_level, }; -static struct wm8731_setup_data at91sam9g20ek_wm8731_setup = { - .i2c_bus = 0, - .i2c_address = 0x1b, -}; +/* + * FIXME: This is a temporary bodge to avoid cross-tree merge issues. + * New drivers should register the wm8731 I2C device in the machine + * setup code (under arch/arm for ARM systems). + */ +static int wm8731_i2c_register(void) +{ + struct i2c_board_info info; + struct i2c_adapter *adapter; + struct i2c_client *client; + + memset(&info, 0, sizeof(struct i2c_board_info)); + info.addr = 0x1b; + strlcpy(info.type, "wm8731", I2C_NAME_SIZE); + + adapter = i2c_get_adapter(0); + if (!adapter) { + printk(KERN_ERR "can't get i2c adapter 0\n"); + return -ENODEV; + } + + client = i2c_new_device(adapter, &info); + i2c_put_adapter(adapter); + if (!client) { + printk(KERN_ERR "can't add i2c device at 0x%x\n", + (unsigned int)info.addr); + return -ENODEV; + } + + return 0; +} static struct snd_soc_device at91sam9g20ek_snd_devdata = { .card = &snd_soc_at91sam9g20ek, .codec_dev = &soc_codec_dev_wm8731, - .codec_data = &at91sam9g20ek_wm8731_setup, }; static struct platform_device *at91sam9g20ek_snd_device; @@ -340,6 +367,10 @@ static int __init at91sam9g20ek_init(void) } ssc_p->ssc = ssc; + ret = wm8731_i2c_register(); + if (ret != 0) + goto err_ssc; + at91sam9g20ek_snd_device = platform_device_alloc("soc-audio", -1); if (!at91sam9g20ek_snd_device) { printk(KERN_ERR "ASoC: Platform device allocation failed\n"); @@ -359,6 +390,8 @@ static int __init at91sam9g20ek_init(void) return ret; err_ssc: + ssc_free(ssc); + ssc_p->ssc = NULL; err_mclk: clk_put(mclk); mclk = NULL; |