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[2/7] ASoC: max98090: Fix reset at resume time.

Message ID 1400248525-21900-3-git-send-email-jarkko.nikula@linux.intel.com (mailing list archive)
State Accepted
Commit 25b4ab430f8e166c9b63f4db28e7e812d5a59396
Headers show

Commit Message

Jarkko Nikula May 16, 2014, 1:55 p.m. UTC 
From: Liam Girdwood <liam.r.girdwood@linux.intel.com>

Reset needs to wait 20ms before other codec IO is performed. This wait
was not being performed. Fix this by making sure the reset register is not
restored with the cache, but use the manual reset method in resume with
the wait.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
---
 sound/soc/codecs/max98090.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 9e08c4768bc0..4accf9ba447e 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -256,6 +256,7 @@  static struct reg_default max98090_reg[] = {
 static bool max98090_volatile_register(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
+	case M98090_REG_SOFTWARE_RESET:
 	case M98090_REG_DEVICE_STATUS:
 	case M98090_REG_JACK_STATUS:
 	case M98090_REG_REVISION_ID:
@@ -2374,6 +2375,8 @@  static int max98090_runtime_resume(struct device *dev)
 
 	regcache_cache_only(max98090->regmap, false);
 
+	max98090_reset(max98090);
+
 	regcache_sync(max98090->regmap);
 
 	return 0;