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authorJeeja KP <jeeja.kp@intel.com>2016-06-03 15:59:43 +0300
committerMark Brown <broonie@kernel.org>2016-06-07 16:19:11 +0300
commit7b96144df1b143750921605d8b29494d3e93c150 (patch)
treee184ae58372bb58dc4c022b1065c92c2969ce2c4 /sound/soc/intel/skylake/skl-pcm.c
parent8871dcb9f0840c642507754b309aa506dc245985 (diff)
downloadlinux-7b96144df1b143750921605d8b29494d3e93c150.tar.xz
ASoC: Intel: Skylake: Report position in pointer query
Don't update the runtime_delay in pointer query, delay need to reported as part of soc driver ops delay function. The delay value overwritten by ASoC core so this is dummy code and hence removing it. Signed-off-by: Jeeja KP <jeeja.kp@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/skylake/skl-pcm.c')
-rw-r--r--sound/soc/intel/skylake/skl-pcm.c64
1 files changed, 4 insertions, 60 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 1590beff644d..6e05bf8622f7 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -1026,51 +1026,11 @@ static int skl_platform_pcm_trigger(struct snd_pcm_substream *substream,
return 0;
}
-/* calculate runtime delay from LPIB */
-static int skl_get_delay_from_lpib(struct hdac_ext_bus *ebus,
- struct hdac_ext_stream *sstream,
- unsigned int pos)
-{
- struct hdac_bus *bus = ebus_to_hbus(ebus);
- struct hdac_stream *hstream = hdac_stream(sstream);
- struct snd_pcm_substream *substream = hstream->substream;
- int stream = substream->stream;
- unsigned int lpib_pos = snd_hdac_stream_get_pos_lpib(hstream);
- int delay;
-
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- delay = pos - lpib_pos;
- else
- delay = lpib_pos - pos;
-
- if (delay < 0) {
- if (delay >= hstream->delay_negative_threshold)
- delay = 0;
- else
- delay += hstream->bufsize;
- }
-
- if (hstream->bufsize == delay)
- delay = 0;
-
- if (delay >= hstream->period_bytes) {
- dev_info(bus->dev,
- "Unstable LPIB (%d >= %d); disabling LPIB delay counting\n",
- delay, hstream->period_bytes);
- delay = 0;
- }
-
- return bytes_to_frames(substream->runtime, delay);
-}
-
-static unsigned int skl_get_position(struct hdac_ext_stream *hstream,
- int codec_delay)
+static snd_pcm_uframes_t skl_platform_pcm_pointer
+ (struct snd_pcm_substream *substream)
{
- struct hdac_stream *hstr = hdac_stream(hstream);
- struct snd_pcm_substream *substream = hstr->substream;
- struct hdac_ext_bus *ebus;
+ struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream);
unsigned int pos;
- int delay;
/* use the position buffer as default */
pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream));
@@ -1078,23 +1038,7 @@ static unsigned int skl_get_position(struct hdac_ext_stream *hstream,
if (pos >= hdac_stream(hstream)->bufsize)
pos = 0;
- if (substream->runtime) {
- ebus = get_bus_ctx(substream);
- delay = skl_get_delay_from_lpib(ebus, hstream, pos)
- + codec_delay;
- substream->runtime->delay += delay;
- }
-
- return pos;
-}
-
-static snd_pcm_uframes_t skl_platform_pcm_pointer
- (struct snd_pcm_substream *substream)
-{
- struct hdac_ext_stream *hstream = get_hdac_ext_stream(substream);
-
- return bytes_to_frames(substream->runtime,
- skl_get_position(hstream, 0));
+ return bytes_to_frames(substream->runtime, pos);
}
static u64 skl_adjust_codec_delay(struct snd_pcm_substream *substream,