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14abca3dfc
Fix the error path to properly free allocated resources. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Mika Westerberg <mika.westerberg@iki.fi> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
/*
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* simone.c -- ASoC audio for Simplemachines Sim.One board
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*
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* Copyright (c) 2010 Mika Westerberg
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*
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* Based on snappercl15 machine driver by Ryan Mallon.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.h>
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#include "ep93xx-pcm.h"
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static struct snd_soc_dai_link simone_dai = {
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.name = "AC97",
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.stream_name = "AC97 HiFi",
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.cpu_dai_name = "ep93xx-ac97",
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.codec_dai_name = "ac97-hifi",
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.codec_name = "ac97-codec",
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.platform_name = "ep93xx-pcm-audio",
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};
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static struct snd_soc_card snd_soc_simone = {
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.name = "Sim.One",
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.dai_link = &simone_dai,
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.num_links = 1,
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};
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static struct platform_device *simone_snd_ac97_device;
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static struct platform_device *simone_snd_device;
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static int __init simone_init(void)
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{
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int ret;
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if (!machine_is_sim_one())
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return -ENODEV;
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simone_snd_ac97_device = platform_device_alloc("ac97-codec", -1);
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if (!simone_snd_ac97_device)
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return -ENOMEM;
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ret = platform_device_add(simone_snd_ac97_device);
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if (ret)
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goto fail1;
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simone_snd_device = platform_device_alloc("soc-audio", -1);
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if (!simone_snd_device) {
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ret = -ENOMEM;
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goto fail2;
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}
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platform_set_drvdata(simone_snd_device, &snd_soc_simone);
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ret = platform_device_add(simone_snd_device);
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if (ret)
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goto fail3;
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return 0;
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fail3:
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platform_device_put(simone_snd_device);
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fail2:
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platform_device_del(simone_snd_ac97_device);
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fail1:
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platform_device_put(simone_snd_ac97_device);
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return ret;
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}
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module_init(simone_init);
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static void __exit simone_exit(void)
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{
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platform_device_unregister(simone_snd_device);
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platform_device_unregister(simone_snd_ac97_device);
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}
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module_exit(simone_exit);
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MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
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MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
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MODULE_LICENSE("GPL");
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