diff options
| author | Jie Yang <yang.jie@intel.com> | 2015-01-12 10:17:34 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-01-14 21:22:35 +0100 |
| commit | a0a7c48fe1a6dc6cae7c589640443bbaaddc28b3 (patch) | |
| tree | 49d9ac58f1d7a99eca98e3bea7192e518e4fc9ae /sound/soc/intel/sst-haswell-ipc.c | |
| parent | ASoC: Intel: Split hsw_pcm_data for playback and capture (diff) | |
| download | linux-a0a7c48fe1a6dc6cae7c589640443bbaaddc28b3.tar.xz linux-a0a7c48fe1a6dc6cae7c589640443bbaaddc28b3.zip | |
ASoC: Intel: initial stream_hw_id to invalid value
The stream_hw_id for System stream is 0x0, if we use initial stream_hw_id
value 0, it may return wrong(not committed) stream when calling function
get_stream_by_id() with stream_id=0. Here initial stream_hw_id to invalid
value to fix this issue.
Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/sst-haswell-ipc.c')
| -rw-r--r-- | sound/soc/intel/sst-haswell-ipc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c index 3f8c48231364..083292362da6 100644 --- a/sound/soc/intel/sst-haswell-ipc.c +++ b/sound/soc/intel/sst-haswell-ipc.c @@ -94,6 +94,8 @@ /* Mailbox */ #define IPC_MAX_MAILBOX_BYTES 256 +#define INVALID_STREAM_HW_ID 0xffffffff + /* Global Message - Types and Replies */ enum ipc_glb_type { IPC_GLB_GET_FW_VERSION = 0, /* Retrieves firmware version */ @@ -1208,6 +1210,7 @@ struct sst_hsw_stream *sst_hsw_stream_new(struct sst_hsw *hsw, int id, return NULL; spin_lock_irqsave(&sst->spinlock, flags); + stream->reply.stream_hw_id = INVALID_STREAM_HW_ID; list_add(&stream->node, &hsw->stream_list); stream->notify_position = notify_position; stream->pdata = data; |