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Diffstat (limited to 'sound/pci/hda/hda_controller.c')
-rw-r--r--sound/pci/hda/hda_controller.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index efe98f6f19..206306a0eb 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);