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Commit 28e9e473 authored by Jaroslav Kysela's avatar Jaroslav Kysela
Browse files

[ALSA] PCM - added back TSTAMP ioctl for PCM (for old alsa-lib binaries) 




Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent f85bf29c

include/sound/asound.h

+1 −0
Original line number Diff line number Diff line
@@ -443,6 +443,7 @@ enum { 
enum {

	SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int),

	SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct snd_pcm_info),

	SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int),

	SNDRV_PCM_IOCTL_TTSTAMP = _IOW('A', 0x03, int),

	SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct snd_pcm_hw_params),

	SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct snd_pcm_hw_params),

sound/core/pcm_native.c

+2 −0
Original line number Diff line number Diff line
@@ -2546,6 +2546,8 @@ static int snd_pcm_common_ioctl1(struct file *file, 
		return put_user(SNDRV_PCM_VERSION, (int __user *)arg) ? -EFAULT : 0;

	case SNDRV_PCM_IOCTL_INFO:

		return snd_pcm_info_user(substream, arg);

	case SNDRV_PCM_IOCTL_TSTAMP:	/* just for compatibility */

		return 0;

	case SNDRV_PCM_IOCTL_TTSTAMP:

		return snd_pcm_tstamp(substream, arg);

	case SNDRV_PCM_IOCTL_HW_REFINE: