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Commit 5d57141a authored by Banajit Goswami's avatar Banajit Goswami Committed by Meng Wang
Browse files

ASoC: core: Add compat ioctl support for listen driver 



Change adds compat ioctl to listen driver for supporting 32 bit userspace
client when kernel is compiled for 64 bit.

Change-Id: Ie6a6fb1f2b6ea569e03b02bc520ef79b95c1009c
Signed-off-by: default avatarGopikrishnaiah Anandan <agopik@codeaurora.org>
Signed-off-by: default avatarBanajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: default avatarMeng Wang <mwang@codeaurora.org>
parent f27ee2ff

include/sound/pcm.h

+1 −1
Original line number Diff line number Diff line
@@ -56,7 +56,7 @@ struct snd_pcm_ops { 
		     unsigned int cmd, void *arg);

#ifdef CONFIG_AUDIO_QGKI

	int (*compat_ioctl)(struct snd_pcm_substream *substream,

		     unsigned int cmd, void *arg);

		     unsigned int cmd, void __user *arg);

#endif

	int (*hw_params)(struct snd_pcm_substream *substream,

			 struct snd_pcm_hw_params *params);

sound/core/pcm_compat.c

+10 −2
Original line number Diff line number Diff line
@@ -654,6 +654,15 @@ static int snd_compressed_ioctl32(struct snd_pcm_substream *substream, 
	pr_debug("%s called with cmd = %d\n", __func__, cmd);

	return err;

}



static int snd_pcm_ioctl32_compat(struct snd_pcm_substream *substream,

			unsigned int cmd, void __user *arg)

{

	if (_IOC_TYPE(cmd) == 'C' || _IOC_TYPE(cmd) == 'U')

		return snd_compressed_ioctl32(substream, cmd, arg);



	return 0;

}

#endif



static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
@@ -735,8 +744,7 @@ static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned l 
#endif /* CONFIG_X86_X32 */

#ifdef CONFIG_AUDIO_QGKI

	default:

		if (_IOC_TYPE(cmd) == 'C')

			return snd_compressed_ioctl32(substream, cmd, argp);

		return snd_pcm_ioctl32_compat(substream, cmd, argp);

#endif

	}