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4e1f865097
Add missing platform_device_put() if platform_device_add() failed. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/*
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* Efika driver for the PSC of the Freescale MPC52xx
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* configured as AC97 interface
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*
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* Copyright 2008 Jon Smirl, Digispeaker
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* Author: Jon Smirl <jonsmirl@gmail.com>
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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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/interrupt.h>
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#include <linux/device.h>
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#include <linux/delay.h>
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#include <linux/of_device.h>
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#include <linux/of_platform.h>
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#include <linux/dma-mapping.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/initval.h>
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#include <sound/soc.h>
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#include "mpc5200_dma.h"
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#include "mpc5200_psc_ac97.h"
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#include "../codecs/stac9766.h"
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#define DRV_NAME "efika-audio-fabric"
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static struct snd_soc_card card;
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static struct snd_soc_dai_link efika_fabric_dai[] = {
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{
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.name = "AC97",
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.stream_name = "AC97 Analog",
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.codec_dai_name = "stac9766-hifi-analog",
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.cpu_dai_name = "mpc5200-psc-ac97.0",
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.platform_name = "mpc5200-pcm-audio",
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.codec_name = "stac9766-codec",
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},
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{
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.name = "AC97",
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.stream_name = "AC97 IEC958",
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.codec_dai_name = "stac9766-hifi-IEC958",
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.cpu_dai_name = "mpc5200-psc-ac97.1",
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.platform_name = "mpc5200-pcm-audio",
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.codec_name = "stac9766-codec",
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},
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};
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static __init int efika_fabric_init(void)
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{
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struct platform_device *pdev;
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int rc;
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if (!of_machine_is_compatible("bplan,efika"))
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return -ENODEV;
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card.name = "Efika";
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card.dai_link = efika_fabric_dai;
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card.num_links = ARRAY_SIZE(efika_fabric_dai);
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pdev = platform_device_alloc("soc-audio", 1);
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if (!pdev) {
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pr_err("efika_fabric_init: platform_device_alloc() failed\n");
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return -ENODEV;
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}
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platform_set_drvdata(pdev, &card);
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rc = platform_device_add(pdev);
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if (rc) {
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pr_err("efika_fabric_init: platform_device_add() failed\n");
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platform_device_put(pdev);
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return -ENODEV;
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}
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return 0;
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}
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module_init(efika_fabric_init);
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MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
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MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver");
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MODULE_LICENSE("GPL");
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