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Groups > linux.kernel > #1222149 > unrolled thread

[PATCH 1/6] mfd: arizona: Add TST_CAP bits for headphone detection

Started byCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
First post2015-09-10 14:10 +0200
Last post2015-09-11 10:20 +0200
Articles 8 — 2 participants

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Contents

  [PATCH 1/6] mfd: arizona: Add TST_CAP bits for headphone detection Charles Keepax <ckeepax@opensource.wolfsonmicro.com> - 2015-09-10 14:10 +0200
    [PATCH 2/6] extcon: arizona: Additional settings to improve accuracy of HP detect Charles Keepax <ckeepax@opensource.wolfsonmicro.com> - 2015-09-10 14:10 +0200
      Re: [PATCH 2/6] extcon: arizona: Additional settings to improve  accuracy of HP detect Chanwoo Choi <cw00.choi@samsung.com> - 2015-09-11 10:20 +0200
    [PATCH 6/6] mfd: arizona: Update DT binding documentation for jack detection Charles Keepax <ckeepax@opensource.wolfsonmicro.com> - 2015-09-10 14:10 +0200
      Re: [PATCH 6/6] mfd: arizona: Update DT binding documentation for jack  detection Chanwoo Choi <cw00.choi@samsung.com> - 2015-09-11 10:10 +0200
    [PATCH 3/6] extcon: arizona: Ignore jd_invert for MICD_CLAMP_STS Charles Keepax <ckeepax@opensource.wolfsonmicro.com> - 2015-09-10 14:10 +0200
      Re: [PATCH 3/6] extcon: arizona: Ignore jd_invert for MICD_CLAMP_STS Chanwoo Choi <cw00.choi@samsung.com> - 2015-09-11 10:10 +0200
    Re: [PATCH 1/6] mfd: arizona: Add TST_CAP bits for headphone detection Chanwoo Choi <cw00.choi@samsung.com> - 2015-09-11 10:20 +0200

#1222149 — [PATCH 1/6] mfd: arizona: Add TST_CAP bits for headphone detection

FromCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date2015-09-10 14:10 +0200
Subject[PATCH 1/6] mfd: arizona: Add TST_CAP bits for headphone detection
Message-ID<q78PT-Wx-3@gated-at.bofh.it>
On Florida some additional settings are required to get accurate
measurements at the top end of the headphone detection range. This patch
adds the bits required for this.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
 drivers/mfd/wm5110-tables.c           |    2 ++
 include/linux/mfd/arizona/registers.h |    8 ++++++++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index acb3bb2..78032e8 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -1908,6 +1908,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
 	case ARIZONA_HP1_SHORT_CIRCUIT_CTRL:
 	case ARIZONA_HP2_SHORT_CIRCUIT_CTRL:
 	case ARIZONA_HP3_SHORT_CIRCUIT_CTRL:
+	case ARIZONA_HP_TEST_CTRL_1:
 	case ARIZONA_AIF1_BCLK_CTRL:
 	case ARIZONA_AIF1_TX_PIN_CTRL:
 	case ARIZONA_AIF1_RX_PIN_CTRL:
@@ -2853,6 +2854,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
 	case ARIZONA_INPUT_ENABLES_STATUS:
 	case ARIZONA_OUTPUT_STATUS_1:
 	case ARIZONA_RAW_OUTPUT_STATUS_1:
+	case ARIZONA_HP_TEST_CTRL_1:
 	case ARIZONA_SLIMBUS_RX_PORT_STATUS:
 	case ARIZONA_SLIMBUS_TX_PORT_STATUS:
 	case ARIZONA_INTERRUPT_STATUS_1:
diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
index e96644c..fe1b5d0 100644
--- a/include/linux/mfd/arizona/registers.h
+++ b/include/linux/mfd/arizona/registers.h
@@ -237,6 +237,7 @@
 #define ARIZONA_HP1_SHORT_CIRCUIT_CTRL           0x4A0
 #define ARIZONA_HP2_SHORT_CIRCUIT_CTRL           0x4A1
 #define ARIZONA_HP3_SHORT_CIRCUIT_CTRL           0x4A2
+#define ARIZONA_HP_TEST_CTRL_1                   0x4A4
 #define ARIZONA_SPK_CTRL_2                       0x4B5
 #define ARIZONA_SPK_CTRL_3                       0x4B6
 #define ARIZONA_DAC_COMP_1                       0x4DC
@@ -3548,6 +3549,13 @@
 #define ARIZONA_HP3_SC_ENA_WIDTH                      1  /* HP3_SC_ENA */
 
 /*
+ * R1188 (0x4A4) HP Test Ctrl 1
+ */
+#define ARIZONA_HP1_TST_CAP_SEL_MASK             0x0003  /* HP1_TST_CAP_SEL - [1:0] */
+#define ARIZONA_HP1_TST_CAP_SEL_SHIFT                 0  /* HP1_TST_CAP_SEL - [1:0] */
+#define ARIZONA_HP1_TST_CAP_SEL_WIDTH                 2  /* HP1_TST_CAP_SEL - [1:0] */
+
+/*
  * R1244 (0x4DC) - DAC comp 1
  */
 #define ARIZONA_OUT_COMP_COEFF_MASK              0xFFFF  /* OUT_COMP_COEFF - [15:0] */
-- 
1.7.2.5

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#1222150 — [PATCH 2/6] extcon: arizona: Additional settings to improve accuracy of HP detect

FromCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date2015-09-10 14:10 +0200
Subject[PATCH 2/6] extcon: arizona: Additional settings to improve accuracy of HP detect
Message-ID<q78PU-Wx-39@gated-at.bofh.it>
In reply to#1222149
If the TST_CAP_SEL bits aren't set correctly on wm5110/8280 there will
be a 100k load along side the headphones, which will affect the accurary
towards the very top of the detection range. This patch sets those bits.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
 drivers/extcon/extcon-arizona.c |   19 +++++++++++++++++--
 1 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index b48fb29..7bfaacd 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -43,6 +43,9 @@
 #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9
 #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb
 
+#define ARIZONA_TST_CAP_DEFAULT 0x3
+#define ARIZONA_TST_CAP_CLAMP   0x1
+
 #define ARIZONA_HPDET_MAX 10000
 
 #define HPDET_DEBOUNCE 500
@@ -147,6 +150,7 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
 {
 	struct arizona *arizona = info->arizona;
 	unsigned int mask = 0, val = 0;
+	unsigned int cap_sel = 0;
 	int ret;
 
 	switch (arizona->type) {
@@ -154,10 +158,21 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
 	case WM8280:
 		mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR |
 		       ARIZONA_HP1L_SHRTI;
-		if (clamp)
+		if (clamp) {
 			val = ARIZONA_HP1L_SHRTO;
-		else
+			cap_sel = ARIZONA_TST_CAP_CLAMP;
+		} else {
 			val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI;
+			cap_sel = ARIZONA_TST_CAP_DEFAULT;
+		}
+
+		ret = regmap_update_bits(arizona->regmap,
+					 ARIZONA_HP_TEST_CTRL_1,
+					 ARIZONA_HP1_TST_CAP_SEL_MASK,
+					 cap_sel);
+		if (ret != 0)
+			dev_warn(arizona->dev,
+				 "Failed to set TST_CAP_SEL: %d\n", ret);
 		break;
 	default:
 		mask = ARIZONA_RMV_SHRT_HP1L;
-- 
1.7.2.5

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#1222607 — Re: [PATCH 2/6] extcon: arizona: Additional settings to improve accuracy of HP detect

FromChanwoo Choi <cw00.choi@samsung.com>
Date2015-09-11 10:20 +0200
SubjectRe: [PATCH 2/6] extcon: arizona: Additional settings to improve accuracy of HP detect
Message-ID<q7rIS-4kB-11@gated-at.bofh.it>
In reply to#1222150
On 2015년 09월 10일 20:41, Charles Keepax wrote:
> If the TST_CAP_SEL bits aren't set correctly on wm5110/8280 there will
> be a 100k load along side the headphones, which will affect the accurary
> towards the very top of the detection range. This patch sets those bits.
> 
> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
> ---
>  drivers/extcon/extcon-arizona.c |   19 +++++++++++++++++--
>  1 files changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
> index b48fb29..7bfaacd 100644
> --- a/drivers/extcon/extcon-arizona.c
> +++ b/drivers/extcon/extcon-arizona.c
> @@ -43,6 +43,9 @@
>  #define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9
>  #define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb
>  
> +#define ARIZONA_TST_CAP_DEFAULT 0x3
> +#define ARIZONA_TST_CAP_CLAMP   0x1
> +
>  #define ARIZONA_HPDET_MAX 10000
>  
>  #define HPDET_DEBOUNCE 500
> @@ -147,6 +150,7 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
>  {
>  	struct arizona *arizona = info->arizona;
>  	unsigned int mask = 0, val = 0;
> +	unsigned int cap_sel = 0;
>  	int ret;
>  
>  	switch (arizona->type) {
> @@ -154,10 +158,21 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
>  	case WM8280:
>  		mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR |
>  		       ARIZONA_HP1L_SHRTI;
> -		if (clamp)
> +		if (clamp) {
>  			val = ARIZONA_HP1L_SHRTO;
> -		else
> +			cap_sel = ARIZONA_TST_CAP_CLAMP;
> +		} else {
>  			val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI;
> +			cap_sel = ARIZONA_TST_CAP_DEFAULT;
> +		}
> +
> +		ret = regmap_update_bits(arizona->regmap,
> +					 ARIZONA_HP_TEST_CTRL_1,
> +					 ARIZONA_HP1_TST_CAP_SEL_MASK,
> +					 cap_sel);
> +		if (ret != 0)
> +			dev_warn(arizona->dev,
> +				 "Failed to set TST_CAP_SEL: %d\n", ret);
>  		break;
>  	default:
>  		mask = ARIZONA_RMV_SHRT_HP1L;
> 

Acked-by: Chanwoo Choi <cw00.choi@samsung.com>

Thanks,
Chanwoo Choi
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#1222151 — [PATCH 6/6] mfd: arizona: Update DT binding documentation for jack detection

FromCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date2015-09-10 14:10 +0200
Subject[PATCH 6/6] mfd: arizona: Update DT binding documentation for jack detection
Message-ID<q78PV-Wx-41@gated-at.bofh.it>
In reply to#1222149
Add additional bindings for both inverting the polarity of the jack
detection pins and allowing the use of a second jack detection pin. Note
that the second jack detection pin is hard wired in the chip so can only
be enabled through the binding, rather than a pin being specified.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
 Documentation/devicetree/bindings/mfd/arizona.txt |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
index b98a11b..48bca6a 100644
--- a/Documentation/devicetree/bindings/mfd/arizona.txt
+++ b/Documentation/devicetree/bindings/mfd/arizona.txt
@@ -73,6 +73,12 @@ Optional properties:
     If this node is not mentioned or if the value is unknown, then
     headphone detection mode is set to HPDETL.
 
+  - wlf,use-jd-gpio : Use GPIO input alongwith JD1 for dual pin jack
+    detection.
+  - wlf,use-jd-gpio-nopull : Internal pull on GPIO is disabled when used for
+    jack detection.
+  - wlf,jd-invert : Invert the polarity of the jack detection switch
+
   - wlf,micd-software-compare : Use a software comparison to determine mic
     presence
   - wlf,micd-detect-debounce : Additional software microphone detection
-- 
1.7.2.5

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#1222599 — Re: [PATCH 6/6] mfd: arizona: Update DT binding documentation for jack detection

FromChanwoo Choi <cw00.choi@samsung.com>
Date2015-09-11 10:10 +0200
SubjectRe: [PATCH 6/6] mfd: arizona: Update DT binding documentation for jack detection
Message-ID<q7rzb-49f-3@gated-at.bofh.it>
In reply to#1222151
On 2015년 09월 10일 20:41, Charles Keepax wrote:
> Add additional bindings for both inverting the polarity of the jack
> detection pins and allowing the use of a second jack detection pin. Note
> that the second jack detection pin is hard wired in the chip so can only
> be enabled through the binding, rather than a pin being specified.
> 
> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
> ---
>  Documentation/devicetree/bindings/mfd/arizona.txt |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
> index b98a11b..48bca6a 100644
> --- a/Documentation/devicetree/bindings/mfd/arizona.txt
> +++ b/Documentation/devicetree/bindings/mfd/arizona.txt
> @@ -73,6 +73,12 @@ Optional properties:
>      If this node is not mentioned or if the value is unknown, then
>      headphone detection mode is set to HPDETL.
>  
> +  - wlf,use-jd-gpio : Use GPIO input alongwith JD1 for dual pin jack

s/alongwith/along with

> +    detection.
> +  - wlf,use-jd-gpio-nopull : Internal pull on GPIO is disabled when used for
> +    jack detection.
> +  - wlf,jd-invert : Invert the polarity of the jack detection switch
> +
>    - wlf,micd-software-compare : Use a software comparison to determine mic
>      presence
>    - wlf,micd-detect-debounce : Additional software microphone detection
> 

If you fixes the minor typo, looks good to me.
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>

Thanks,
Chanwoo Choi
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#1222152 — [PATCH 3/6] extcon: arizona: Ignore jd_invert for MICD_CLAMP_STS

FromCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date2015-09-10 14:10 +0200
Subject[PATCH 3/6] extcon: arizona: Ignore jd_invert for MICD_CLAMP_STS
Message-ID<q78PV-Wx-43@gated-at.bofh.it>
In reply to#1222149
From: Nariman Poushin <nariman@opensource.wolfsonmicro.com>

The polarity of MICD_CLAMP_STS does not change when different clamp
modes are used, this patch corrects this issue.

Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
---
 drivers/extcon/extcon-arizona.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 7bfaacd..6d030a0 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -1059,10 +1059,7 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
 
 	if (arizona->pdata.jd_gpio5) {
 		mask = ARIZONA_MICD_CLAMP_STS;
-		if (arizona->pdata.jd_invert)
-			present = ARIZONA_MICD_CLAMP_STS;
-		else
-			present = 0;
+		present = 0;
 	} else {
 		mask = ARIZONA_JD1_STS;
 		if (arizona->pdata.jd_invert)
-- 
1.7.2.5

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#1222601 — Re: [PATCH 3/6] extcon: arizona: Ignore jd_invert for MICD_CLAMP_STS

FromChanwoo Choi <cw00.choi@samsung.com>
Date2015-09-11 10:10 +0200
SubjectRe: [PATCH 3/6] extcon: arizona: Ignore jd_invert for MICD_CLAMP_STS
Message-ID<q7rzc-49f-13@gated-at.bofh.it>
In reply to#1222152
On 2015년 09월 10일 20:41, Charles Keepax wrote:
> From: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
> 
> The polarity of MICD_CLAMP_STS does not change when different clamp
> modes are used, this patch corrects this issue.
> 
> Signed-off-by: Nariman Poushin <nariman@opensource.wolfsonmicro.com>
> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
> ---
>  drivers/extcon/extcon-arizona.c |    5 +----
>  1 files changed, 1 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
> index 7bfaacd..6d030a0 100644
> --- a/drivers/extcon/extcon-arizona.c
> +++ b/drivers/extcon/extcon-arizona.c
> @@ -1059,10 +1059,7 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
>  
>  	if (arizona->pdata.jd_gpio5) {
>  		mask = ARIZONA_MICD_CLAMP_STS;
> -		if (arizona->pdata.jd_invert)
> -			present = ARIZONA_MICD_CLAMP_STS;
> -		else
> -			present = 0;
> +		present = 0;
>  	} else {
>  		mask = ARIZONA_JD1_STS;
>  		if (arizona->pdata.jd_invert)
> 

Acked-by: Chanwoo Choi <cw00.choi@samsung.com>

Thanks,
Chanwoo Choi
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#1222608

FromChanwoo Choi <cw00.choi@samsung.com>
Date2015-09-11 10:20 +0200
Message-ID<q7rIS-4kB-17@gated-at.bofh.it>
In reply to#1222149
Hi Charles,

I recommend that you make the cover-letter patches on later.
If you better to explain the patch description on cover-letter patch,
we will understand what is this patch-set more easily.

Thanks,
Chanwoo Choi

On 2015년 09월 10일 20:41, Charles Keepax wrote:
> On Florida some additional settings are required to get accurate
> measurements at the top end of the headphone detection range. This patch
> adds the bits required for this.
> 
> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
> ---
>  drivers/mfd/wm5110-tables.c           |    2 ++
>  include/linux/mfd/arizona/registers.h |    8 ++++++++
>  2 files changed, 10 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
> index acb3bb2..78032e8 100644
> --- a/drivers/mfd/wm5110-tables.c
> +++ b/drivers/mfd/wm5110-tables.c
> @@ -1908,6 +1908,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
>  	case ARIZONA_HP1_SHORT_CIRCUIT_CTRL:
>  	case ARIZONA_HP2_SHORT_CIRCUIT_CTRL:
>  	case ARIZONA_HP3_SHORT_CIRCUIT_CTRL:
> +	case ARIZONA_HP_TEST_CTRL_1:
>  	case ARIZONA_AIF1_BCLK_CTRL:
>  	case ARIZONA_AIF1_TX_PIN_CTRL:
>  	case ARIZONA_AIF1_RX_PIN_CTRL:
> @@ -2853,6 +2854,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
>  	case ARIZONA_INPUT_ENABLES_STATUS:
>  	case ARIZONA_OUTPUT_STATUS_1:
>  	case ARIZONA_RAW_OUTPUT_STATUS_1:
> +	case ARIZONA_HP_TEST_CTRL_1:
>  	case ARIZONA_SLIMBUS_RX_PORT_STATUS:
>  	case ARIZONA_SLIMBUS_TX_PORT_STATUS:
>  	case ARIZONA_INTERRUPT_STATUS_1:
> diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
> index e96644c..fe1b5d0 100644
> --- a/include/linux/mfd/arizona/registers.h
> +++ b/include/linux/mfd/arizona/registers.h
> @@ -237,6 +237,7 @@
>  #define ARIZONA_HP1_SHORT_CIRCUIT_CTRL           0x4A0
>  #define ARIZONA_HP2_SHORT_CIRCUIT_CTRL           0x4A1
>  #define ARIZONA_HP3_SHORT_CIRCUIT_CTRL           0x4A2
> +#define ARIZONA_HP_TEST_CTRL_1                   0x4A4
>  #define ARIZONA_SPK_CTRL_2                       0x4B5
>  #define ARIZONA_SPK_CTRL_3                       0x4B6
>  #define ARIZONA_DAC_COMP_1                       0x4DC
> @@ -3548,6 +3549,13 @@
>  #define ARIZONA_HP3_SC_ENA_WIDTH                      1  /* HP3_SC_ENA */
>  
>  /*
> + * R1188 (0x4A4) HP Test Ctrl 1
> + */
> +#define ARIZONA_HP1_TST_CAP_SEL_MASK             0x0003  /* HP1_TST_CAP_SEL - [1:0] */
> +#define ARIZONA_HP1_TST_CAP_SEL_SHIFT                 0  /* HP1_TST_CAP_SEL - [1:0] */
> +#define ARIZONA_HP1_TST_CAP_SEL_WIDTH                 2  /* HP1_TST_CAP_SEL - [1:0] */
> +
> +/*
>   * R1244 (0x4DC) - DAC comp 1
>   */
>  #define ARIZONA_OUT_COMP_COEFF_MASK              0xFFFF  /* OUT_COMP_COEFF - [15:0] */
> 

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