From c899df3e9b0bf7b76e642aed1a214582ea7012d5 Mon Sep 17 00:00:00 2001 From: Rander Wang Date: Fri, 8 Mar 2019 16:38:59 +0800 Subject: ASoC:intel:skl:fix a simultaneous playback & capture issue on hda platform If playback and capture are enabled concurrently, when the capture stops the output becomes inaudile. The playback application will become stuck and underrun after a timeout. This is caused by mistaken use of the stream_id, which should only be set for playback and not for capture Tested on Apollolake and Kabylake with SST driver. Signed-off-by: Rander Wang Acked-by: Pierre-Louis Bossart Signed-off-by: Mark Brown --- sound/soc/intel/skylake/skl-pcm.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) (limited to 'sound/soc/intel') diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index a4284778f117..bb463ee6ff84 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -181,6 +181,7 @@ int skl_pcm_link_dma_prepare(struct device *dev, struct skl_pipe_params *params) struct hdac_stream *hstream; struct hdac_ext_stream *stream; struct hdac_ext_link *link; + unsigned char stream_tag; hstream = snd_hdac_get_stream(bus, params->stream, params->link_dma_id + 1); @@ -199,10 +200,13 @@ int skl_pcm_link_dma_prepare(struct device *dev, struct skl_pipe_params *params) snd_hdac_ext_link_stream_setup(stream, format_val); - list_for_each_entry(link, &bus->hlink_list, list) { - if (link->index == params->link_index) - snd_hdac_ext_link_set_stream_id(link, - hstream->stream_tag); + stream_tag = hstream->stream_tag; + if (stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) { + list_for_each_entry(link, &bus->hlink_list, list) { + if (link->index == params->link_index) + snd_hdac_ext_link_set_stream_id(link, + stream_tag); + } } stream->link_prepared = 1; @@ -645,6 +649,7 @@ static int skl_link_hw_free(struct snd_pcm_substream *substream, struct hdac_ext_stream *link_dev = snd_soc_dai_get_dma_data(dai, substream); struct hdac_ext_link *link; + unsigned char stream_tag; dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); @@ -654,7 +659,11 @@ static int skl_link_hw_free(struct snd_pcm_substream *substream, if (!link) return -EINVAL; - snd_hdac_ext_link_clear_stream_id(link, hdac_stream(link_dev)->stream_tag); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + stream_tag = hdac_stream(link_dev)->stream_tag; + snd_hdac_ext_link_clear_stream_id(link, stream_tag); + } + snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK); return 0; } -- cgit v1.2.3