diff options
Diffstat (limited to 'sound/soc/ux500/mop500.c')
| -rw-r--r-- | sound/soc/ux500/mop500.c | 81 |
1 files changed, 69 insertions, 12 deletions
diff --git a/sound/soc/ux500/mop500.c b/sound/soc/ux500/mop500.c index 31c4d26d035..b3b66aa98dc 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> @@ -23,16 +24,16 @@ #include "ux500_pcm.h" #include "ux500_msp_dai.h" -#include <mop500_ab8500.h> +#include "mop500_ab8500.h" /* Define the whole MOP500 soundcard, linking platform to the codec-drivers */ -struct snd_soc_dai_link mop500_dai_links[] = { +static struct snd_soc_dai_link mop500_dai_links[] = { { .name = "ab8500_0", .stream_name = "ab8500_0", .cpu_dai_name = "ux500-msp-i2s.1", .codec_dai_name = "ab8500-codec-dai.0", - .platform_name = "ux500-pcm.0", + .platform_name = "ux500-msp-i2s.1", .codec_name = "ab8500-codec.0", .init = mop500_ab8500_machine_init, .ops = mop500_ab8500_ops, @@ -42,7 +43,7 @@ struct snd_soc_dai_link mop500_dai_links[] = { .stream_name = "ab8500_1", .cpu_dai_name = "ux500-msp-i2s.3", .codec_dai_name = "ab8500-codec-dai.1", - .platform_name = "ux500-pcm.0", + .platform_name = "ux500-msp-i2s.3", .codec_name = "ab8500-codec.0", .init = NULL, .ops = mop500_ab8500_ops, @@ -51,21 +52,71 @@ struct snd_soc_dai_link mop500_dai_links[] = { static struct snd_soc_card mop500_card = { .name = "MOP500-card", + .owner = THIS_MODULE, .probe = NULL, .dai_link = mop500_dai_links, .num_links = ARRAY_SIZE(mop500_dai_links), }; -static int __devinit mop500_probe(struct platform_device *pdev) +static void mop500_of_node_put(void) { - int ret; + int i; + + for (i = 0; i < 2; i++) { + if (mop500_dai_links[i].cpu_of_node) + of_node_put((struct device_node *) + mop500_dai_links[i].cpu_of_node); + if (mop500_dai_links[i].codec_of_node) + of_node_put((struct device_node *) + mop500_dai_links[i].codec_of_node); + } +} - pr_debug("%s: Enter.\n", __func__); +static int 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"); + mop500_of_node_put(); + 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].platform_of_node = msp_np[i]; + mop500_dai_links[i].platform_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 mop500_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + int ret; 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); @@ -83,13 +134,12 @@ 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; } -static int __devexit mop500_remove(struct platform_device *pdev) +static int mop500_remove(struct platform_device *pdev) { struct snd_soc_card *mop500_card = platform_get_drvdata(pdev); @@ -97,17 +147,24 @@ static int __devexit mop500_remove(struct platform_device *pdev) snd_soc_unregister_card(mop500_card); mop500_ab8500_remove(mop500_card); - + mop500_of_node_put(); + 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), + .remove = mop500_remove, }; module_platform_driver(snd_soc_mop500_driver); |