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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2020-09-01 23:05:52 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-09-03 16:14:39 +0530 |
| commit | 94eed66107ffabdf9c07a922bfcd7e396fe83053 (patch) | |
| tree | f7ca9282a9037c12a32a55cd270644d27892d8ab /drivers/soundwire/intel.c | |
| parent | 88d7c71ea5b29b322d9c72103a196234cb5040db (diff) | |
| download | linux-94eed66107ffabdf9c07a922bfcd7e396fe83053.tar.gz | |
soundwire: intel: add multi-link hw_synchronization information
set the flags as required by hardware implementation
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200901150556.19432-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire/intel.c')
| -rw-r--r-- | drivers/soundwire/intel.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index 8634d33c388c..272826973426 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1400,7 +1400,14 @@ int intel_master_startup(struct platform_device *pdev) dev_dbg(dev, "Multi-link is disabled\n"); bus->multi_link = false; } else { + /* + * hardware-based synchronization is required regardless + * of the number of segments used by a stream: SSP-based + * synchronization is gated by gsync when the multi-master + * mode is set. + */ bus->multi_link = true; + bus->hw_sync_min_links = 1; } /* Initialize shim, controller */ |