diff options
Diffstat (limited to 'sound/soc/ep93xx/edb93xx.c')
-rw-r--r-- | sound/soc/ep93xx/edb93xx.c | 78 |
1 files changed, 32 insertions, 46 deletions
diff --git a/sound/soc/ep93xx/edb93xx.c b/sound/soc/ep93xx/edb93xx.c index d3aa15119d26..e01cb02abd3a 100644 --- a/sound/soc/ep93xx/edb93xx.c +++ b/sound/soc/ep93xx/edb93xx.c @@ -21,6 +21,7 @@ #include <linux/platform_device.h> #include <linux/gpio.h> +#include <linux/module.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> @@ -28,12 +29,6 @@ #include <mach/hardware.h> #include "ep93xx-pcm.h" -#define edb93xx_has_audio() (machine_is_edb9301() || \ - machine_is_edb9302() || \ - machine_is_edb9302a() || \ - machine_is_edb9307a() || \ - machine_is_edb9315a()) - static int edb93xx_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -53,18 +48,6 @@ static int edb93xx_hw_params(struct snd_pcm_substream *substream, else mclk_rate = rate * 64 * 2; - err = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_IF | - SND_SOC_DAIFMT_CBS_CFS); - if (err) - return err; - - err = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_IF | - SND_SOC_DAIFMT_CBS_CFS); - if (err) - return err; - err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate, SND_SOC_CLOCK_IN); if (err) @@ -85,58 +68,61 @@ static struct snd_soc_dai_link edb93xx_dai = { .cpu_dai_name = "ep93xx-i2s", .codec_name = "spi0.0", .codec_dai_name = "cs4271-hifi", + .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_IF | + SND_SOC_DAIFMT_CBS_CFS, .ops = &edb93xx_ops, }; static struct snd_soc_card snd_soc_edb93xx = { .name = "EDB93XX", + .owner = THIS_MODULE, .dai_link = &edb93xx_dai, .num_links = 1, }; -static struct platform_device *edb93xx_snd_device; - -static int __init edb93xx_init(void) +static int __devinit edb93xx_probe(struct platform_device *pdev) { + struct snd_soc_card *card = &snd_soc_edb93xx; int ret; - if (!edb93xx_has_audio()) - return -ENODEV; - - ret = ep93xx_i2s_acquire(EP93XX_SYSCON_DEVCFG_I2SONAC97, - EP93XX_SYSCON_I2SCLKDIV_ORIDE | - EP93XX_SYSCON_I2SCLKDIV_SPOL); + ret = ep93xx_i2s_acquire(); if (ret) return ret; - edb93xx_snd_device = platform_device_alloc("soc-audio", -1); - if (!edb93xx_snd_device) { - ret = -ENOMEM; - goto free_i2s; - } + card->dev = &pdev->dev; - platform_set_drvdata(edb93xx_snd_device, &snd_soc_edb93xx); - ret = platform_device_add(edb93xx_snd_device); - if (ret) - goto device_put; - - return 0; + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + ep93xx_i2s_release(); + } -device_put: - platform_device_put(edb93xx_snd_device); -free_i2s: - ep93xx_i2s_release(); return ret; } -module_init(edb93xx_init); -static void __exit edb93xx_exit(void) +static int __devexit edb93xx_remove(struct platform_device *pdev) { - platform_device_unregister(edb93xx_snd_device); + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); ep93xx_i2s_release(); + + return 0; } -module_exit(edb93xx_exit); + +static struct platform_driver edb93xx_driver = { + .driver = { + .name = "edb93xx-audio", + .owner = THIS_MODULE, + }, + .probe = edb93xx_probe, + .remove = __devexit_p(edb93xx_remove), +}; + +module_platform_driver(edb93xx_driver); MODULE_AUTHOR("Alexander Sverdlin <subaparts@yandex.ru>"); MODULE_DESCRIPTION("ALSA SoC EDB93xx"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:edb93xx-audio"); |