At Tue, 15 Jul 2008 22:54:51 +0200, Hans-Frieder Vogt wrote: > > Takashi, > > with aplay things are a bit more differentiated: > > bdl_pos_adj=0 and 1 are as described below > > bdl_pos_adj=32 > device "default" works > device "plughw:0,0" works or does not work, may be depending on the sound format. For a nonworking file, here is the output of the files /proc/asound/card0/pcm0p/sub0/*: > /proc/asound/card0/pcm0p/sub0/hw_params: > access: RW_INTERLEAVED > format: S16_LE > subformat: STD > channels: 2 > rate: 44100 (44100/1) > period_size: 4096 > buffer_size: 16384 > /proc/asound/card0/pcm0p/sub0/info: > card: 0 > device: 0 > subdevice: 0 > stream: PLAYBACK > id: ALC883 Analog > name: ALC883 Analog > subname: subdevice #0 > class: 0 > subclass: 0 > subdevices_count: 1 > subdevices_avail: 0 > /proc/asound/card0/pcm0p/sub0/prealloc: > 64 > /proc/asound/card0/pcm0p/sub0/prealloc_max: > 1024 > /proc/asound/card0/pcm0p/sub0/status: > state: RUNNING > trigger_time: 2795.506618360 > tstamp : 2797.052537640 > delay : 16384 > avail : 0 > avail_max : 818 > ----- > hw_ptr : 818 > appl_ptr : 17202 > /proc/asound/card0/pcm0p/sub0/sw_params: > tstamp_mode: NONE > period_step: 1 > avail_min: 4096 > start_threshold: 16384 > stop_threshold: 16384 > silence_threshold: 0 > silence_size: 0 > boundary: 4611686018427387904 > > the same file played with mmap (aplay -D plughw:0,0 --mmap soundfile) also gives no sound. > /proc/asound/card0/pcm0p/sub0/hw_params: > access: MMAP_INTERLEAVED > format: S16_LE > subformat: STD > channels: 2 > rate: 44100 (44100/1) > period_size: 4096 > buffer_size: 16384 > /proc/asound/card0/pcm0p/sub0/info: > card: 0 > device: 0 > subdevice: 0 > stream: PLAYBACK > id: ALC883 Analog > name: ALC883 Analog > subname: subdevice #0 > class: 0 > subclass: 0 > subdevices_count: 1 > subdevices_avail: 0 > /proc/asound/card0/pcm0p/sub0/prealloc: > 64 > /proc/asound/card0/pcm0p/sub0/prealloc_max: > 1024 > /proc/asound/card0/pcm0p/sub0/status: > state: RUNNING > trigger_time: 2948.343350480 > tstamp : 2949.758334160 > delay : 16384 > avail : 0 > avail_max : 0 > ----- > hw_ptr : 0 > appl_ptr : 16384 > /proc/asound/card0/pcm0p/sub0/sw_params: > tstamp_mode: NONE > period_step: 1 > avail_min: 4096 > start_threshold: 16384 > stop_threshold: 16384 > silence_threshold: 0 > silence_size: 0 > boundary: 4611686018427387904 > > Your patch really solves this problem for bdl_pos_adj=32 (for bdl_pos_adj=0 and 1 unchanged). Thanks! Thanks for testing! It's not bug that bdl_pos_adj=0 and 1 don't change the behavior. It's intentional. ICH takes bdl_pos_adj=1, and =0 means to disable the feature. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel