linux-kernel - Re: [PATCH 3/9] mfd: arizona: Add TST

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Date:	Sun, 20 Sep 2015 05:17:30 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:	cw00.choi@...sung.com, myungjoo.ham@...sung.com,
	sameo@...ux.intel.com, patches@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/9] mfd: arizona: Add TST_CAP bits for headphone
 detection

On Wed, 16 Sep 2015, Charles Keepax wrote:

> On wm5110/8280 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@...nsource.wolfsonmicro.com>
> ---
>  drivers/mfd/wm5110-tables.c           |    2 ++
>  include/linux/mfd/arizona/registers.h |    8 ++++++++
>  2 files changed, 10 insertions(+), 0 deletions(-)

Acked-by: Lee Jones <lee.jones@...aro.org>

> diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
> index aae17d6..28f2ae3 100644
> --- a/drivers/mfd/wm5110-tables.c
> +++ b/drivers/mfd/wm5110-tables.c
> @@ -1912,6 +1912,7 @@ 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:
> @@ -2857,6 +2858,7 @@ 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 ab219c9..c7c11c9 100644
> --- a/include/linux/mfd/arizona/registers.h
> +++ b/include/linux/mfd/arizona/registers.h
> @@ -242,6 +242,7 @@
>  #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
> @@ -3702,6 +3703,13 @@
>  #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] */

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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