Before introducing compress specific changes, adjust BDL and parameters setup functions so these are not tightly coupled with PCM streams.
Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com --- sound/hda/hdac_stream.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index d01e69139164..bfedba3f6cd9 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -408,11 +408,15 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev) { struct hdac_bus *bus = azx_dev->bus; struct snd_pcm_substream *substream = azx_dev->substream; - struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_pcm_runtime *runtime; + struct snd_dma_buffer *dmab; __le32 *bdl; int i, ofs, periods, period_bytes; int pos_adj, pos_align;
+ runtime = substream->runtime; + dmab = snd_pcm_get_dma_buf(substream); + /* reset BDL address */ snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0); snd_hdac_stream_writel(azx_dev, SD_BDLPU, 0); @@ -426,7 +430,7 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev) azx_dev->frags = 0;
pos_adj = bus->bdl_pos_adj; - if (!azx_dev->no_period_wakeup && pos_adj > 0) { + if (runtime && !azx_dev->no_period_wakeup && pos_adj > 0) { pos_align = pos_adj; pos_adj = (pos_adj * runtime->rate + 47999) / 48000; if (!pos_adj) @@ -440,8 +444,7 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev) pos_adj); pos_adj = 0; } else { - ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream), - azx_dev, + ofs = setup_bdle(bus, dmab, azx_dev, &bdl, ofs, pos_adj, true); if (ofs < 0) goto error; @@ -451,13 +454,11 @@ int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev)
for (i = 0; i < periods; i++) { if (i == periods - 1 && pos_adj) - ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream), - azx_dev, &bdl, ofs, - period_bytes - pos_adj, 0); + ofs = setup_bdle(bus, dmab, azx_dev, + &bdl, ofs, period_bytes - pos_adj, 0); else - ofs = setup_bdle(bus, snd_pcm_get_dma_buf(substream), - azx_dev, &bdl, ofs, - period_bytes, + ofs = setup_bdle(bus, dmab, azx_dev, + &bdl, ofs, period_bytes, !azx_dev->no_period_wakeup); if (ofs < 0) goto error; @@ -482,26 +483,25 @@ EXPORT_SYMBOL_GPL(snd_hdac_stream_setup_periods); int snd_hdac_stream_set_params(struct hdac_stream *azx_dev, unsigned int format_val) { - - unsigned int bufsize, period_bytes; struct snd_pcm_substream *substream = azx_dev->substream; - struct snd_pcm_runtime *runtime; + unsigned int bufsize, period_bytes; + unsigned int no_period_wakeup; int err;
if (!substream) return -EINVAL; - runtime = substream->runtime; bufsize = snd_pcm_lib_buffer_bytes(substream); period_bytes = snd_pcm_lib_period_bytes(substream); + no_period_wakeup = substream->runtime->no_period_wakeup;
if (bufsize != azx_dev->bufsize || period_bytes != azx_dev->period_bytes || format_val != azx_dev->format_val || - runtime->no_period_wakeup != azx_dev->no_period_wakeup) { + no_period_wakeup != azx_dev->no_period_wakeup) { azx_dev->bufsize = bufsize; azx_dev->period_bytes = period_bytes; azx_dev->format_val = format_val; - azx_dev->no_period_wakeup = runtime->no_period_wakeup; + azx_dev->no_period_wakeup = no_period_wakeup; err = snd_hdac_stream_setup_periods(azx_dev); if (err < 0) return err;