diff options
| author | Xiubo Li <Li.Xiubo@freescale.com> | 2014-01-14 08:35:32 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-01-15 01:25:48 +0400 |
| commit | ca919fe4b972b9428ab42bead11b04a4ebf0f632 (patch) | |
| tree | c0b6c1b2bc65282ee0e7ab2794f2c656ec928fe2 /sound/soc | |
| parent | ba194a4de5c81ee200b6af88743b26f7b69aa659 (diff) | |
| download | linux-ca919fe4b972b9428ab42bead11b04a4ebf0f632.tar.xz | |
ASoC: simple-card: fix one bug to writing to the platform data
It's a bug that writing to the platform data directly, for it should
be constant. So just copy it before writing.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/generic/simple-card.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 5528dd6a4e4e..53395f54849a 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -9,9 +9,10 @@ * published by the Free Software Foundation. */ #include <linux/clk.h> +#include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> -#include <linux/module.h> +#include <linux/string.h> #include <sound/simple_card.h> static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai, @@ -190,36 +191,37 @@ static int asoc_simple_card_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct device_node *of_cpu, *of_codec, *of_platform; struct device *dev = &pdev->dev; + int ret; cinfo = NULL; of_cpu = NULL; of_codec = NULL; of_platform = NULL; + + cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL); + if (!cinfo) + return -ENOMEM; + if (np && of_device_is_available(np)) { - cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL); - if (cinfo) { - int ret; - cinfo->snd_card.dev = &pdev->dev; - ret = asoc_simple_card_parse_of(np, cinfo, dev, - &of_cpu, - &of_codec, - &of_platform); - if (ret < 0) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "parse error %d\n", ret); - return ret; - } - } else { - return -ENOMEM; + cinfo->snd_card.dev = dev; + + ret = asoc_simple_card_parse_of(np, cinfo, dev, + &of_cpu, + &of_codec, + &of_platform); + if (ret < 0) { + if (ret != -EPROBE_DEFER) + dev_err(dev, "parse error %d\n", ret); + return ret; } } else { - cinfo = pdev->dev.platform_data; - if (!cinfo) { + if (!dev->platform_data) { dev_err(dev, "no info for asoc-simple-card\n"); return -EINVAL; } - cinfo->snd_card.dev = &pdev->dev; + memcpy(cinfo, dev->platform_data, sizeof(*cinfo)); + cinfo->snd_card.dev = dev; } if (!cinfo->name || |