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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2019-08-05 19:55:13 -0500
committerVinod Koul <vkoul@kernel.org>2019-08-21 14:36:01 +0530
commite0279b6b5522f86680a9e16a12dbb2e40b1e2698 (patch)
tree2cde080fab9e72e307eec88c1ee39f506493f410 /drivers/soundwire
parentce3304d8da8fa8e20001ed6128c7d04f703be305 (diff)
downloadlinux-e0279b6b5522f86680a9e16a12dbb2e40b1e2698.tar.bz2
soundwire: stream: fix disable sequence
When we disable the stream and then call hw_free, two bank switches will be handled and as a result we re-enable the stream on hw_free. Make sure the stream is disabled on both banks. TODO: we need to completely revisit all this and make sure we have a mirroring mechanism between current and alternate banks. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20190806005522.22642-9-pierre-louis.bossart@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/stream.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index 53f5e790fcd7..75b9ad1fb1a6 100644
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -1637,7 +1637,24 @@ static int _sdw_disable_stream(struct sdw_stream_runtime *stream)
}
}
- return do_bank_switch(stream);
+ ret = do_bank_switch(stream);
+ if (ret < 0) {
+ dev_err(bus->dev, "Bank switch failed: %d\n", ret);
+ return ret;
+ }
+
+ /* make sure alternate bank (previous current) is also disabled */
+ list_for_each_entry(m_rt, &stream->master_list, stream_node) {
+ bus = m_rt->bus;
+ /* Disable port(s) */
+ ret = sdw_enable_disable_ports(m_rt, false);
+ if (ret < 0) {
+ dev_err(bus->dev, "Disable port(s) failed: %d\n", ret);
+ return ret;
+ }
+ }
+
+ return 0;
}
/**