diff options
Diffstat (limited to 'sound/pci/hda/hda_controller.c')
| -rw-r--r-- | sound/pci/hda/hda_controller.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index efe98f6f1..206306a0e 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -24,6 +24,7 @@ #include <sound/core.h> #include <sound/initval.h> +#include <sound/pcm_params.h> #include "hda_controller.h" #include "hda_local.h" @@ -108,6 +109,7 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream, struct azx_pcm *apcm = snd_pcm_substream_chip(substream); struct azx *chip = apcm->chip; struct azx_dev *azx_dev = get_azx_dev(substream); + struct hdac_stream *hdas = azx_stream(azx_dev); int ret = 0; trace_azx_pcm_hw_params(chip, azx_dev); @@ -117,9 +119,15 @@ static int azx_pcm_hw_params(struct snd_pcm_substream *substream, goto unlock; } - azx_dev->core.bufsize = 0; - azx_dev->core.period_bytes = 0; - azx_dev->core.format_val = 0; + /* Set up BDLEs here, return -ENOMEM if too many BDLEs are required */ + hdas->bufsize = params_buffer_bytes(hw_params); + hdas->period_bytes = params_period_bytes(hw_params); + hdas->format_val = 0; + hdas->no_period_wakeup = + (hw_params->info & SNDRV_PCM_INFO_NO_PERIOD_WAKEUP) && + (hw_params->flags & SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP); + if (snd_hdac_stream_setup_periods(hdas) < 0) + ret = -ENOMEM; unlock: dsp_unlock(azx_dev); |