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* [PATCH 1/1] ASoC: arizona: Set FLL to free-run before disabling
@ 2013-11-20 13:15 Richard Fitzgerald
  2013-11-20 13:36 ` Mark Brown
  2013-11-20 14:37 ` [PATCH v2 " Richard Fitzgerald
  0 siblings, 2 replies; 4+ messages in thread
From: Richard Fitzgerald @ 2013-11-20 13:15 UTC (permalink / raw)
  To: broonie; +Cc: lgirdwood, perex, tiwai, ckeepax, patches, alsa-devel,
	linux-kernel


Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/arizona.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 6f05b17..fea9910 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1529,6 +1529,8 @@ static void arizona_enable_fll(struct arizona_fll *fll,
 	try_wait_for_completion(&fll->ok);
 
 	regmap_update_bits(arizona->regmap, fll->base + 1,
+			   ARIZONA_FLL1_FREERUN, 0);
+	regmap_update_bits(arizona->regmap, fll->base + 1,
 			   ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);
 	if (use_sync)
 		regmap_update_bits(arizona->regmap, fll->base + 0x11,
@@ -1546,6 +1548,8 @@ static void arizona_disable_fll(struct arizona_fll *fll)
 	struct arizona *arizona = fll->arizona;
 	bool change;
 
+	regmap_update_bits(arizona->regmap, fll->base + 1,
+			   ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
 	regmap_update_bits_check(arizona->regmap, fll->base + 1,
 				 ARIZONA_FLL1_ENA, 0, &change);
 	regmap_update_bits(arizona->regmap, fll->base + 0x11,
-- 
1.7.2.5



^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH 1/1] ASoC: arizona: Set FLL to free-run before disabling
  2013-11-20 13:15 [PATCH 1/1] ASoC: arizona: Set FLL to free-run before disabling Richard Fitzgerald
@ 2013-11-20 13:36 ` Mark Brown
  2013-11-20 14:37 ` [PATCH v2 " Richard Fitzgerald
  1 sibling, 0 replies; 4+ messages in thread
From: Mark Brown @ 2013-11-20 13:36 UTC (permalink / raw)
  To: Richard Fitzgerald
  Cc: lgirdwood, perex, tiwai, ckeepax, patches, alsa-devel,
	linux-kernel

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On Wed, Nov 20, 2013 at 01:15:47PM +0000, Richard Fitzgerald wrote:
> 
> Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>

Why?  Is this a bug fix or a feature?

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^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH v2 1/1] ASoC: arizona: Set FLL to free-run before disabling
  2013-11-20 13:15 [PATCH 1/1] ASoC: arizona: Set FLL to free-run before disabling Richard Fitzgerald
  2013-11-20 13:36 ` Mark Brown
@ 2013-11-20 14:37 ` Richard Fitzgerald
  2013-11-20 15:20   ` Mark Brown
  1 sibling, 1 reply; 4+ messages in thread
From: Richard Fitzgerald @ 2013-11-20 14:37 UTC (permalink / raw)
  To: broonie; +Cc: alsa-devel, tiwai, linux-kernel, patches, lgirdwood, perex

The FLL must be placed into free-run mode before disabling
to allow it to entirely shut down.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
---
 sound/soc/codecs/arizona.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 6f05b17..fea9910 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1529,6 +1529,8 @@ static void arizona_enable_fll(struct arizona_fll *fll,
 	try_wait_for_completion(&fll->ok);
 
 	regmap_update_bits(arizona->regmap, fll->base + 1,
+			   ARIZONA_FLL1_FREERUN, 0);
+	regmap_update_bits(arizona->regmap, fll->base + 1,
 			   ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);
 	if (use_sync)
 		regmap_update_bits(arizona->regmap, fll->base + 0x11,
@@ -1546,6 +1548,8 @@ static void arizona_disable_fll(struct arizona_fll *fll)
 	struct arizona *arizona = fll->arizona;
 	bool change;
 
+	regmap_update_bits(arizona->regmap, fll->base + 1,
+			   ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
 	regmap_update_bits_check(arizona->regmap, fll->base + 1,
 				 ARIZONA_FLL1_ENA, 0, &change);
 	regmap_update_bits(arizona->regmap, fll->base + 0x11,
-- 
1.7.2.5



^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH v2 1/1] ASoC: arizona: Set FLL to free-run before disabling
  2013-11-20 14:37 ` [PATCH v2 " Richard Fitzgerald
@ 2013-11-20 15:20   ` Mark Brown
  0 siblings, 0 replies; 4+ messages in thread
From: Mark Brown @ 2013-11-20 15:20 UTC (permalink / raw)
  To: Richard Fitzgerald
  Cc: alsa-devel, tiwai, linux-kernel, patches, lgirdwood, perex

[-- Attachment #1: Type: text/plain, Size: 184 bytes --]

On Wed, Nov 20, 2013 at 02:37:09PM +0000, Richard Fitzgerald wrote:
> The FLL must be placed into free-run mode before disabling
> to allow it to entirely shut down.

Applied, thanks.

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^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2013-11-20 15:20 UTC | newest]

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2013-11-20 13:15 [PATCH 1/1] ASoC: arizona: Set FLL to free-run before disabling Richard Fitzgerald
2013-11-20 13:36 ` Mark Brown
2013-11-20 14:37 ` [PATCH v2 " Richard Fitzgerald
2013-11-20 15:20   ` Mark Brown

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