diff options
| -rw-r--r-- | include/uapi/sound/asound.h | 4 | ||||
| -rw-r--r-- | sound/core/pcm_compat.c | 8 | ||||
| -rw-r--r-- | sound/core/pcm_native.c | 6 |
3 files changed, 12 insertions, 6 deletions
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h index a7e062f..32168f7 100644 --- a/include/uapi/sound/asound.h +++ b/include/uapi/sound/asound.h @@ -391,8 +391,8 @@ struct snd_pcm_sw_params { snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ snd_pcm_uframes_t silence_size; /* silence block size */ snd_pcm_uframes_t boundary; /* pointers wrap point */ - unsigned int tstamp_type; /* timestamp type */ - int pads; /* alignment, reserved */ + unsigned int proto; /* protocol version */ + unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */ unsigned char reserved[56]; /* reserved for future */ }; diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c index af49721..102e8fd 100644 --- a/sound/core/pcm_compat.c +++ b/sound/core/pcm_compat.c @@ -101,7 +101,9 @@ struct snd_pcm_sw_params32 { u32 silence_threshold; u32 silence_size; u32 boundary; - unsigned char reserved[64]; + u32 proto; + u32 tstamp_type; + unsigned char reserved[56]; }; /* recalcuate the boundary within 32bit */ @@ -133,7 +135,9 @@ static int snd_pcm_ioctl_sw_params_compat(struct snd_pcm_substream *substream, get_user(params.start_threshold, &src->start_threshold) || get_user(params.stop_threshold, &src->stop_threshold) || get_user(params.silence_threshold, &src->silence_threshold) || - get_user(params.silence_size, &src->silence_size)) + get_user(params.silence_size, &src->silence_size) || + get_user(params.tstamp_type, &src->tstamp_type) || + get_user(params.proto, &src->proto)) return -EFAULT; /* * Check silent_size parameter. Since we have 64bit boundary, diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 81dedc3..8cd2f93 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -543,7 +543,8 @@ static int snd_pcm_sw_params(struct snd_pcm_substream *substream, if (params->tstamp_mode > SNDRV_PCM_TSTAMP_LAST) return -EINVAL; - if (params->tstamp_type > SNDRV_PCM_TSTAMP_TYPE_LAST) + if (params->proto >= SNDRV_PROTOCOL_VERSION(2, 0, 12) && + params->tstamp_type > SNDRV_PCM_TSTAMP_TYPE_LAST) return -EINVAL; if (params->avail_min == 0) return -EINVAL; @@ -559,7 +560,8 @@ static int snd_pcm_sw_params(struct snd_pcm_substream *substream, err = 0; snd_pcm_stream_lock_irq(substream); runtime->tstamp_mode = params->tstamp_mode; - runtime->tstamp_type = params->tstamp_type; + if (params->proto >= SNDRV_PROTOCOL_VERSION(2, 0, 12)) + runtime->tstamp_type = params->tstamp_type; runtime->period_step = params->period_step; runtime->control->avail_min = params->avail_min; runtime->start_threshold = params->start_threshold; |
