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Commit ca919fe4 authored by Xiubo Li's avatar Xiubo Li Committed by Mark Brown
Browse files

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: default avatarXiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent ba194a4d

sound/soc/generic/simple-card.c

+21 −19
Original line number Diff line number Diff line
@@ -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,
@@ -190,16 +191,20 @@ 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;

	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;

	if (!cinfo)

		return -ENOMEM;



	if (np && of_device_is_available(np)) {

		cinfo->snd_card.dev = dev;



		ret = asoc_simple_card_parse_of(np, cinfo, dev,

						&of_cpu,

						&of_codec,
@@ -210,16 +215,13 @@ static int asoc_simple_card_probe(struct platform_device *pdev) 
			return ret;

		}

	} else {

			return -ENOMEM;

		}

	} 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	||