diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/samsung/smdk_wm8994.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/sound/soc/samsung/smdk_wm8994.c b/sound/soc/samsung/smdk_wm8994.c index a56117536c94..5fd7a05a9b9e 100644 --- a/sound/soc/samsung/smdk_wm8994.c +++ b/sound/soc/samsung/smdk_wm8994.c @@ -11,6 +11,7 @@ #include <sound/pcm_params.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_device.h> /* * Default CFG switch settings to use this driver: @@ -37,6 +38,15 @@ /* SMDK has a 16.934MHZ crystal attached to WM8994 */ #define SMDK_WM8994_FREQ 16934000 +struct smdk_wm8994_data { + int mclk1_rate; +}; + +/* Default SMDKs */ +static struct smdk_wm8994_data smdk_board_data = { + .mclk1_rate = SMDK_WM8994_FREQ, +}; + static int smdk_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -141,15 +151,28 @@ static struct snd_soc_card smdk = { .num_links = ARRAY_SIZE(smdk_dai), }; +#ifdef CONFIG_OF +static const struct of_device_id samsung_wm8994_of_match[] = { + { .compatible = "samsung,smdk-wm8994", .data = &smdk_board_data }, + {}, +}; +MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match); +#endif /* CONFIG_OF */ static int smdk_audio_probe(struct platform_device *pdev) { int ret; struct device_node *np = pdev->dev.of_node; struct snd_soc_card *card = &smdk; + struct smdk_wm8994_data *board; + const struct of_device_id *id; card->dev = &pdev->dev; + board = devm_kzalloc(&pdev->dev, sizeof(*board), GFP_KERNEL); + if (!board) + return -ENOMEM; + if (np) { smdk_dai[0].cpu_dai_name = NULL; smdk_dai[0].cpu_of_node = of_parse_phandle(np, @@ -164,6 +187,12 @@ static int smdk_audio_probe(struct platform_device *pdev) smdk_dai[0].platform_of_node = smdk_dai[0].cpu_of_node; } + id = of_match_device(samsung_wm8994_of_match, &pdev->dev); + if (id) + *board = *((struct smdk_wm8994_data *)id->data); + + platform_set_drvdata(pdev, board); + ret = snd_soc_register_card(card); if (ret) @@ -181,14 +210,6 @@ static int smdk_audio_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_OF -static const struct of_device_id samsung_wm8994_of_match[] = { - { .compatible = "samsung,smdk-wm8994", }, - {}, -}; -MODULE_DEVICE_TABLE(of, samsung_wm8994_of_match); -#endif /* CONFIG_OF */ - static struct platform_driver smdk_audio_driver = { .driver = { .name = "smdk-audio-wm8894", |