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authorCezary Rojewski <cezary.rojewski@intel.com>2022-12-02 16:28:28 +0100
committerMark Brown <broonie@kernel.org>2022-12-05 14:05:20 +0000
commit3e9582267e3a06bfd9622dbd2304a8cfac977b43 (patch)
tree1548b533d8578502c68ec45430cf44a15144d0fa /sound/hda/hdac_stream.c
parentf6b1254664a0a15c8bbe0a17b2c86840aa38d3d7 (diff)
ALSA: hda: Interrupt servicing and BDL setup for compress streams
Account for compress streams when receiving and servicing buffer completed interrupts. In case of compress stream enlisting hdac_stream for data transfer, setup BDL entries much like it is the case for PCM streams. Signed-off-by: Divya Prakash <divya1.prakash@intel.com> Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Acked-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20221202152841.672536-4-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/hda/hdac_stream.c')
-rw-r--r--sound/hda/hdac_stream.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index 8a12c6347914..8f625402505f 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -7,6 +7,7 @@
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/clocksource.h>
+#include <sound/compress_driver.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/hdaudio.h>
@@ -487,14 +488,19 @@ 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;
+ struct snd_compr_stream *cstream = azx_dev->cstream;
+ struct snd_pcm_runtime *runtime = NULL;
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);
+ if (substream) {
+ runtime = substream->runtime;
+ dmab = snd_pcm_get_dma_buf(substream);
+ } else if (cstream) {
+ dmab = snd_pcm_get_dma_buf(cstream);
+ }
/* reset BDL address */
snd_hdac_stream_writel(azx_dev, SD_BDLPL, 0);
@@ -562,15 +568,22 @@ int snd_hdac_stream_set_params(struct hdac_stream *azx_dev,
unsigned int format_val)
{
struct snd_pcm_substream *substream = azx_dev->substream;
+ struct snd_compr_stream *cstream = azx_dev->cstream;
unsigned int bufsize, period_bytes;
unsigned int no_period_wakeup;
int err;
- if (!substream)
+ if (substream) {
+ bufsize = snd_pcm_lib_buffer_bytes(substream);
+ period_bytes = snd_pcm_lib_period_bytes(substream);
+ no_period_wakeup = substream->runtime->no_period_wakeup;
+ } else if (cstream) {
+ bufsize = cstream->runtime->buffer_size;
+ period_bytes = cstream->runtime->fragment_size;
+ no_period_wakeup = 0;
+ } else {
return -EINVAL;
- 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 ||