diff options
Diffstat (limited to 'sound/soc/ux500/mop500.c')
| -rw-r--r-- | sound/soc/ux500/mop500.c | 47 |
1 files changed, 42 insertions, 5 deletions
diff --git a/sound/soc/ux500/mop500.c b/sound/soc/ux500/mop500.c index 31c4d26d035..356611d9654 100644 --- a/sound/soc/ux500/mop500.c +++ b/sound/soc/ux500/mop500.c @@ -16,6 +16,7 @@ #include <linux/module.h> #include <linux/io.h> #include <linux/spi/spi.h> +#include <linux/of.h> #include <sound/soc.h> #include <sound/initval.h> @@ -56,16 +57,47 @@ static struct snd_soc_card mop500_card = { .num_links = ARRAY_SIZE(mop500_dai_links), }; +static int __devinit mop500_of_probe(struct platform_device *pdev, + struct device_node *np) +{ + struct device_node *codec_np, *msp_np[2]; + int i; + + msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0); + msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1); + codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0); + + if (!(msp_np[0] && msp_np[1] && codec_np)) { + dev_err(&pdev->dev, "Phandle missing or invalid\n"); + return -EINVAL; + } + + for (i = 0; i < 2; i++) { + mop500_dai_links[i].cpu_of_node = msp_np[i]; + mop500_dai_links[i].cpu_dai_name = NULL; + mop500_dai_links[i].codec_of_node = codec_np; + mop500_dai_links[i].codec_name = NULL; + } + + snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name"); + + return 0; +} static int __devinit mop500_probe(struct platform_device *pdev) { + struct device_node *np = pdev->dev.of_node; int ret; - pr_debug("%s: Enter.\n", __func__); - dev_dbg(&pdev->dev, "%s: Enter.\n", __func__); mop500_card.dev = &pdev->dev; + if (np) { + ret = mop500_of_probe(pdev, np); + if (ret) + return ret; + } + dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n", __func__, mop500_card.name); platform_set_drvdata(pdev, &mop500_card); @@ -83,8 +115,7 @@ static int __devinit mop500_probe(struct platform_device *pdev) ret = snd_soc_register_card(&mop500_card); if (ret) dev_err(&pdev->dev, - "Error: snd_soc_register_card failed (%d)!\n", - ret); + "Error: snd_soc_register_card failed (%d)!\n", ret); return ret; } @@ -97,14 +128,20 @@ static int __devexit mop500_remove(struct platform_device *pdev) snd_soc_unregister_card(mop500_card); mop500_ab8500_remove(mop500_card); - + return 0; } +static const struct of_device_id snd_soc_mop500_match[] = { + { .compatible = "stericsson,snd-soc-mop500", }, + {}, +}; + static struct platform_driver snd_soc_mop500_driver = { .driver = { .owner = THIS_MODULE, .name = "snd-soc-mop500", + .of_match_table = snd_soc_mop500_match, }, .probe = mop500_probe, .remove = __devexit_p(mop500_remove), |