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

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2007-12-17 09:02:22 +01:00
parent f85bf29c94
commit 28e9e47384
2 changed files with 3 additions and 0 deletions
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1
include/sound/asound.h
View File

@ -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),

2
sound/core/pcm_native.c
View File

@ -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: